Yokogawa spare parts and accessories help maintain, upgrade, and extend the life of automation systems. From controllers to modules and connectors, these components reduce downtime and ensure continuous operation.
Yokogawa Other Parts
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Yokogawa Yokogawa NFCP502-S05 Style S2 CPU Module
Yokogawa NFCP502-S05 Style S2 CPU Module The Yokogawa NFCP502-S05 Style S2, also cataloged as the NFCP502 CPU Module, operates as a dedicated hardware component for regulatory and sequence control execution within the STARDOM FCN-500 Autonomous Controller system. It provides direct Ethernet-based network communication and deterministic task execution for control logic applications. Hardware Specifications Parameter Specification ModelBrand Yokogawa NFCP502-S05 Style S2 Origin Japan Weight 1.5 kg Dimensions Standard FCN-500 module footprint OperatingTemp 0 degC to 55 degC PowerConsumption Typical 10 W (dependent on I/O load) Processor Atom E3815 1.46 GHz MainMemory 256 MB ECC StaticRAM 2 MB ECC, battery-backed SecondaryMemory 1 GB on-board flash ExternalMedia SDHC 4 to 32 GB, Class 10 SerialPort 1 RS-232-C port (D-sub 9 pins, male) CommunicationMethod Full/Half duplex, asynchronous BaudRate 0.3 to 115.2 kbps selectable EthernetPorts 4 × RJ-45, 10/100/1000 Mbps I/OInterface SB bus (duplex) ControlTasks Max 16 concurrent, 16 priority levels Humidity 5% to 95% RH, non-condensing VibrationResistance 0.15 mm P-P (5–58 Hz), 1 G (58–150 Hz) ShockResistance 15 G, 11 ms (power off, X/Y/Z) CorrosiveGasResistance ANSI/ISA S71.04 Class G2 Altitude ≤ 2000 m Process Control Technical Features The NFCP502-S05 Style S2 supports channel-to-channel isolation across Ethernet ports and I/O buses to prevent cross-interference. Each analog loop can interface with 4-20 mA HART signals, and FOUNDATION Fieldbus/Profibus PA connectivity is fully supported for distributed control system integration. Cold junction compensation (CJc) is applied to ensure temperature measurement consistency across all input channels. Frequently Asked Questions Q: What is the maximum hot-swap delay for dual-redundant CPUs?A: Failover between redundant CPUs is ≤100 ms under normal operating conditions. Q: Can the module operate with all Ethernet ports active simultaneously?A: Yes. Ports 1 and 2 support redundant control networks; Ports 3 and 4 handle peripheral traffic independently. Q: Are SD cards hot-swappable?A: SDHC cards can be inserted or removed while the module is powered down; active insertion during runtime is not supported. Field Installation Guidelines Mount the CPU module in the FCN-500 rack with proper alignment to the backplane connectors. Ensure all Ethernet ports are properly shielded and grounded. Use twisted pair cabling with shield termination at one end to minimize EMI. Maintain minimum spacing from heat-generating modules to preserve natural convection airflow. Avoid routing high-current or high-voltage conductors near control signal cables. Verify the orientation of the RS-232-C connector and secure locking screws to prevent mechanical stress. Observe ESD precautions when handling memory cards or exposed connectors.
$200.00 $100.00
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Yokogawa CPU Module | Yokogawa NFCP502-W05 S1
Yokogawa NFCP502-W05 S1 CPU Module Configured for control processor execution and Ethernet-based controller communication in the FCN control platform, the Yokogawa NFCP502-W05 (NFCP502 CPU Module) provides direct physical and data-processing execution. The module integrates an Intel Atom E3815 processor, ECC-protected memory resources, onboard flash storage, four Ethernet interfaces, and an SB bus interface for controller operation within FCN systems. Suffix Breakdown & Model Matrix Code Description NFCP502 CPU module for FCN with 4 Ethernet ports W With extended functions 0 Standard type 5 Basic type with no explosion protection Hardware Specifications Parameter Specification Model NFCP502-W05 S1 Brand Yokogawa Origin Not specified in supplied data Product Type CPU Module Processor Intel Atom E3815, 1.46 GHz Main Memory 256 MB ECC Static RAM 2 MB ECC, battery-backed Secondary Memory 1 GB onboard flash memory External Media 1 x SDHC slot, 4 GB to 32 GB, Class 10 Serial Port 1 x RS-232-C, D-sub 9-pin male Serial Communication Full duplex or half duplex, software selectable Synchronization Asynchronous Supported Baud Rates 0.3, 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 28.8, 38.4, 57.6, 115.2 kbps Network Interfaces 4 x Ethernet RJ45 Ethernet Speeds 1000BASE-T, 100BASE-TX, 10BASE-T I/O Interface SB bus (duplex) RAS Functions Watchdog timer, temperature monitoring Battery 1000 mAh graphite fluoride lithium battery Indicators 3 CPU LEDs, 2 Ethernet LEDs, 1 SD LED, 1 EXEC LED Switches RESET, SHUT DOWN, FUNC, EXEC Protection CPU cover with wire-lock hole Supply Voltage 5 VDC +/- 5% Current Consumption 1700 mA maximum DCS Communication and Channel Isolation Considerations As a Yokogawa FCN CPU platform component, the NFCP502-W05 performs controller processing and Ethernet communication functions through four independent RJ45 interfaces supporting 10 Mbps, 100 Mbps, and 1000 Mbps operation. The module exchanges process and control data through the duplex SB bus while maintaining ECC protection on both main memory and static RAM resources. The integrated RS-232-C interface supports configurable full-duplex or half-duplex operation with baud rates up to 115.2 kbps, allowing connection to serial maintenance, configuration, or diagnostic devices where required by the control architecture. Frequently Asked Questions Q: Does the NFCP502-W05 support removable storage for maintenance activities?A: Yes. The module includes one SDHC card slot supporting Class 10 SDHC cards from 4 GB to 32 GB for external storage functions. Q: What Ethernet interfaces are available on the module?A: The module provides four RJ45 Ethernet ports supporting 10BASE-T, 100BASE-TX, and 1000BASE-T communication speeds. Q: Is memory protection implemented within the CPU module?A: Yes. The main memory and static RAM both utilize ECC protection. The 2 MB static RAM is additionally backed up by an onboard lithium battery. Field Installation Guidelines Verify that the controller node is de-energized or placed into the approved maintenance state before module installation or removal. Maintain proper grounding practices for controller cabinets and communication cable shields according to site electrical standards. Route Ethernet and serial communication cables separately from high-energy power conductors to reduce electromagnetic interference. Confirm SDHC media compatibility before insertion and avoid removing storage devices during active write operations. Inspect the battery condition during scheduled maintenance intervals if retained memory functions are required. Ensure unobstructed airflow around the controller assembly to support processor and internal component thermal management. After installation, verify CPU status LEDs, Ethernet link indicators, and EXEC status indications before returning the controller to service.
$200.00 $100.00
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Yokogawa Analog Input Module | Yokogawa F3AD08-5R
Yokogawa F3AD08-5R Analog Input Module The Yokogawa F3AD08-5R, also cataloged as the F3AD08-5R Analog Input Module, operates as a dedicated hardware component for high-speed A/D signal acquisition within FA-M3 PLC platforms. Hardware Specifications Parameter Specification ModelBrand Yokogawa F3AD08-5R Origin Japan Weight Approx. 200 g Dimensions 28.9 W x 100 H x 106.1 D mm OperatingTemp 0 to 55 degC, 10% to 90% RH, non-condensing PowerConsumption 210 mA @ 5 V DC Number of Inputs 8 differential channels Supported Voltage Ranges 0-5 V DC, 1-5 V DC, 0-10 V DC, -10 to 10 V DC (Default: -10 to 10 V DC) Supported Current Ranges 0-20 mA DC, 4-20 mA DC Absolute Maximum Rating ±18 V DC (Voltage), 25 mA DC (Current) Input Resistance ≥1 MΩ for voltage, 250 Ω for current Allowable Common-Mode Voltage ±1 V DC (-10 to 10 V, 0-10 V); ±6 V DC (0-5 V, 1-5 V, current ranges) A/D Conversion Resolution 16-bit Maximum Resolution Voltage: 0.4 mV; Current: 1.6 μA Conversion Cycle Options 50 μs, 100 μs, 250 μs, 500 μs, 1 ms, 16.6 ms, 20 ms, 100 ms Overall Accuracy ±0.1% FS at 23 ±2 degC; ±0.2% FS at 0-55 degC Scaling Capability Digital range -30,000 to +30,000 Isolation Method Photocoupler isolation (between input terminals and system circuit) Withstanding Voltage 500 V DC for 1 min External Connection 18-point removable terminal block, M3.5 screws Process Control Specific Features This module supports channel-to-channel isolation to prevent cross-interference between measurement lines. It is compatible with 4-20 mA HART loop protocol and allows integration with FOUNDATION Fieldbus and Profibus PA networks. Cold junction compensation (CJC) is internally implemented for thermocouple signal stabilization, minimizing temperature-induced drift across analog channels. Frequently Asked Questions Q: Can the F3AD08-5R module operate in hot-swap conditions?A: No, the module must be powered down before installation or removal to prevent signal disruption and potential backplane faults. Q: What is the impact of using the 50 μs conversion cycle on filtering?A: Digital filters (first-order lag or moving average) are bypassed during 50 μs conversion cycles; filtering is available only at cycles ≥100 μs. Q: How should differential signals be wired to minimize noise?A: Connect differential pairs twisted and shielded; ground shielding at a single point. Avoid routing parallel to high-current power cables. Field Installation Guidelines Ensure the module is securely mounted on the FA-M3 backplane and properly seated in the connector. Maintain at least 5 mm clearance from high-voltage power lines to prevent capacitive coupling. Terminate analog signal shields at a single point to avoid ground loops. Observe correct polarity for voltage and current inputs; over-voltage beyond ratings may damage the module. For multi-channel wiring, keep twisted pairs consistent and minimize length differences between positive and negative lines to preserve measurement accuracy.
$200.00 $100.00
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Yokogawa SDV541-S63/PRP Digital Output Module | Yokogawa
Yokogawa SDV541-S63/PRP Digital Output Module The Yokogawa SDV541-S63/PRP, also cataloged as the SDV541 Digital Output Module, operates as a dedicated hardware component for 16-channel current source output control within the ProSafe-RS Safety Instrumented System. This module provides isolated, direct electrical execution to actuators and indicators while maintaining functional safety compliance. Hardware Specifications Parameter Specification ModelBrand Yokogawa SDV541-S63/PRP Origin Japan Number of Channels 16 channels, module isolation Output Type Current source (source type) Rated Output Voltage 24 VDC Output Voltage Drop 1 V maximum Maximum Load Current 0.2 A per output, 3.2 A total Minimum Load Current 35 mA Load Resistance Range 120 to 885 ohms Output Response Time 30 ms maximum Maximum Leak Current (OFF) 1.6–1.8 mA External Power Supply Rating 24 VDC, 3.4 A minimum, +20%/-10% Current Consumption 300 mA maximum @ 5 VDC, 150 mA maximum @ 24 VDC Withstand Voltage 2 kVAC (between output signal lines and system) Weight 0.26 kg (pressure clamp/MIL cable), 0.31 kg (with signal cable adapter) Compatible Signal Cables Yokogawa AKE331, AKB851 Operating Temperature -20 to 70 degC Corrosion Resistance ISA Standard G3 Channel-to-Channel Isolation and Process Control Attributes Each output channel is electrically isolated to prevent cross-channel interference, ensuring that voltage transients or short circuits in field devices do not propagate to other channels or the ProSafe-RS controller. The module supports standard 4-20 mA and discrete control loops, allowing deterministic actuation timing and integration into DCS networks. Cold junction compensation (CJC) is implemented for temperature-sensitive output loads. Frequently Asked Questions Q: Can the SDV541-S63/PRP module be hot-swapped while the system is operating?A: Hot-swapping is only permitted if the module is mechanically keyed and the system confirms safe isolation; do not exceed rated load current during insertion. Q: What is the maximum allowable total output load?A: Total maximum output current is 3.2 A across all channels. Exceeding this may trigger fault detection and isolate the module. Q: Are the output channels suitable for inductive loads like solenoids?A: Yes, provided the load resistance is within 120 to 885 ohms and the module’s 30 ms response time meets the application requirements. Field Installation Guidelines Ensure correct orientation using the /PRP mechanical prevention pin to avoid mis-insertion. Connect signal cables (AKE331 or AKB851) following polarity markings. Ground shielded cables at a single point to avoid ground loops. Maintain separation between high-voltage lines and digital output cables to prevent interference. Tighten pressure clamp terminals to the manufacturer’s torque specification to ensure secure electrical contact.
$200.00 $100.00
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Yokogawa PW482-S01 Power Supply Module | Yokogawa
Yokogawa PW482-S01 Power Supply Module The Yokogawa PW482-S01, also cataloged as the PW482 Power Supply Module, operates as a dedicated hardware component for AC-to-DC power conversion and internal power distribution within CENTUM VP and CENTUM CS 3000 control system architectures. Suffix Breakdown & Model Matrix Suffix Code Specification -5 Standard type, no explosion protection -E Standard type with explosion protection 0 Basic type 1 ISA Standard G3 option with operating temperature range of -20 degC to 70 degC Hardware Specifications Parameter Specification Model PW482-S01 Brand Yokogawa Product Type Power Supply Module Origin Japan Input Voltage 220 to 240 VAC +/- 10% Input Frequency 50/60 Hz +/- 3 Hz Output Voltage 24 VDC Power Consumption 230 VA maximum Weight Approx. 1.0 kg Dimensions 199.5 mm x 49.7 mm x 146.5 mm Operating Temp -20 degC to 70 degC (suffix dependent) Installation Slot P1 to P2 Redundancy Support Dual module configuration supported Interface Type Exclusive system connector Compatible Systems CENTUM VP, CENTUM CS 3000 Channel-to-Channel Isolation and DCS Power Distribution Characteristics Within Yokogawa DCS architectures, the PW482-S01 provides regulated 24 VDC system power to connected control assemblies through dedicated backplane interfaces. The module is intended for installation in FCU, FIO Node Unit, and Optical ESB Bus Repeater platforms where internal power segregation and controlled distribution paths are required. Dual-module installation enables redundant power operation by mounting identical PW482 units in designated power slots. Power transfer and load sharing behavior are managed by the host system hardware architecture. The module does not provide general-purpose field wiring terminals and is designed exclusively for compatible Yokogawa system assemblies. Frequently Asked Questions Q: Can the PW482-S01 operate in a redundant configuration?A: Yes. Redundant operation is achieved by installing two identical PW482 modules in the designated P1 and P2 power slots of compatible Yokogawa hardware. Q: Is the PW482-S01 a general-purpose 24 VDC power supply?A: No. The module uses a system-specific connector and is designed exclusively for compatible CENTUM VP and CENTUM CS 3000 platform assemblies. Q: Which slot is required for a single power supply installation?A: In a non-redundant configuration, the module must be installed in slot P1 according to Yokogawa installation requirements. Field Installation Guidelines Verify compatibility with the target FCU, FIO Node Unit, or Optical ESB Bus Repeater Unit before installation. For single power configurations, install the module in slot P1 only. For redundant power configurations, install two identical PW482 modules in slots P1 and P2. Remove input power before inserting or removing the module unless the host system documentation explicitly permits energized replacement procedures. Ensure cabinet grounding conforms to site electrical standards and DCS grounding practices. Route AC input conductors separately from low-level signal wiring to minimize conducted electrical interference. Confirm input voltage and frequency are within the specified operating range before energization. Inspect module connectors and backplane interfaces for contamination or mechanical damage prior to installation.
$200.00 $100.00
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Yokogawa Yokogawa SSC10S Safety Control Unit
Yokogawa SSC10S Safety Control Unit The Yokogawa SSC10S-S2121, also cataloged as the SSC10S Safety Control Unit, operates as a dedicated hardware component for safety logic execution, redundant communication processing, and I/O management within the ProSafe-RS Safety Instrumented System over the V net architecture. The unit functions as the processing core of a Safety Control Station (SCS), supporting dual-redundant processor, network, and power configurations. Suffix Breakdown & Model Matrix Suffix Description -S Standard temperature type, passive convection cooling, operating temperature -20 degC to 50 degC -F Wide-range temperature type, integrated fan cooling, operating temperature -20 degC to 70 degC SSC10S-S Standard version, approximate weight 7.9 kg SSC10S-F Fan-cooled version, approximate weight 13.0 kg Hardware Specifications Parameter Specification Model SSC10S Brand Yokogawa Electric Corporation Product Type Safety Control Unit System Platform ProSafe-RS Safety Instrumented System Processor MIPS R5000 Processor Main Memory 32 MB Memory Protection Battery backup, up to 3 years at <= 30 degC Origin Japan Network Interfaces Dual-redundant V net interface, dual-redundant ESB bus interface Expansion Capacity Up to 9 Safety Node Units via SEC401 modules I/O Module Capacity Up to 8 I/O modules per unit Total SCS I/O Capacity Up to 78 I/O modules Operating Temp -20 degC to 50 degC (-S), -20 degC to 70 degC (-F) Power Consumption 200 VA / 240 VA (100 to 120 VAC), 230 VA / 290 VA (220 to 240 VAC), 5.5 A / 7.0 A (24 VDC) Weight Approx. 7.9 kg (-S), Approx. 13.0 kg (-F) Dimensions Rack-mounted construction; exact dimensions not specified Channel Isolation and DCS Communication Architecture The SSC10S is designed for integration within Yokogawa ProSafe-RS and CENTUM system architectures through a common V net communication topology. Dual-redundant V net channels and dual-redundant ESB bus interfaces provide communication path redundancy between the Safety Control Station and associated system components. The controller supports distributed safety I/O expansion through Safety Node Units connected via SEC401 modules. Communication redundancy is maintained across processor, network, and power subsystems to eliminate single-point hardware failures within the control station architecture. Frequently Asked Questions Q: Does the SSC10S support redundant network communication?A: Yes. The unit incorporates dual-redundant V net interfaces and dual-redundant ESB bus interfaces for communication redundancy within ProSafe-RS systems. Q: How many Safety Node Units can be connected to one SSC10S?A: One SSC10S can connect up to 9 Safety Node Units through SEC401 modules installed in slots 7 and 8. Q: Is time synchronization available for Sequence of Events Recorder functions?A: Yes. An optional IRIG-B000 GPS interface using an RS-422 connection can be implemented to provide time synchronization for SOER-capable digital input modules. Field Installation Guidelines Install the unit in a compatible equipment rack using the specified M5 mounting hardware. Maintain clear airflow paths around the chassis. Fan-cooled (-F) versions require unobstructed ventilation openings. Route communication wiring separately from high-voltage power conductors to minimize electromagnetic interference. Follow shield grounding practices consistent with plant instrumentation standards and connect cable shields according to system grounding requirements. Verify V net and ESB bus redundancy paths before system commissioning. Confirm power supply voltage ratings match the suffix-specific hardware configuration prior to energization. Replace memory backup batteries only in accordance with approved maintenance procedures to preserve stored configuration data. Perform functional verification of redundant processor, network, and power channels following installation or maintenance activities.
$200.00 $100.00
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Yokogawa Yokogawa CP99A-A Processor Card
Yokogawa CP99A-A Processor Card Configured for processor execution and interface handling in Yokogawa Centum XL and micro XL systems, the Yokogawa CP99A-A (CP99A-A Processor Card) provides direct physical and electrical execution. The Yokogawa CP99A-A processor card is installed as a dedicated control-system hardware component for procedure management, configuration functions, system monitoring, and controller-level data processing through the DCS backplane architecture. Suffix Breakdown & Model Matrix The supplied documentation identifies the module as CP99A-A, with associated references CP99A*A and S9581AS-0. No official suffix matrix or option-code decomposition is provided in the available source material; therefore, no further breakdown is included. Hardware Specifications Parameter Specification Model CP99A-A Brand Yokogawa Electric Corporation Product Type Processor Card / Interface Module Card System Compatibility Centum XL, micro XL Processor Speed 800 MHz Memory Capacity 512 MB DDR4 RAM Input Voltage 24 VDC Power Consumption 15 W Interface Ports 2 x Ethernet, 1 x USB, Card Edge Connector Output Type Digital Cooling Method Passive Convection Operating Temp 0 to 50 degC Storage Temp -20 to 70 degC Dimensions Approx. 10.0 in x 2.0 in x 15.0 in (25.4 cm x 5.1 cm x 38.1 cm) Weight Approx. 0.74 kg Origin Japan Channel Isolation and DCS Interface Characteristics Within distributed control system architectures, processor and interface cards operate in conjunction with field I/O subsystems and communication networks where signal integrity is dependent on proper isolation practices. The CP99A-A is intended for integration within Yokogawa Centum XL and micro XL platforms through its card-edge backplane connection. When deployed alongside analog instrumentation networks utilizing 4-20 mA signaling, HART-capable field devices, or process communication segments, installation practices should maintain separation between communication wiring, power distribution conductors, and grounding paths according to the host system engineering manual. Electrical isolation performance is determined by the complete control-system assembly rather than the processor card alone. Frequently Asked Questions Q: Does the CP99A-A support hot replacement while the control system remains energized?A: The provided documentation does not explicitly specify hot-swap capability. Replacement procedures should follow the applicable Centum XL or micro XL maintenance manual and site operating procedures. Q: What communication interfaces are available on the module?A: The documented interfaces include 2 Ethernet ports, 1 USB port, and a card-edge connector for integration with the host backplane. Q: What environmental limits apply during operation?A: The specified operating temperature range is 0 to 50 degC. The specified storage temperature range is -20 to 70 degC. Field Installation Guidelines Verify module part number and system compatibility before insertion into the rack or card cage. De-energize equipment when required by plant maintenance procedures and site safety regulations. Inspect card-edge contacts for contamination, oxidation, or mechanical damage prior to installation. Ensure the module is fully seated in the backplane connector and that all retention hardware is secured. Route Ethernet and auxiliary communication cables separately from high-current power conductors where practical. Maintain cabinet grounding and shielding practices specified by the DCS manufacturer. Confirm adequate enclosure ventilation to support the specified passive convection cooling method. After installation, verify processor recognition and diagnostic status through the host Centum XL or micro XL engineering environment.
$200.00 $100.00
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Yokogawa I/O Module Nest | Yokogawa AMN22
Yokogawa AMN22 I/O Module Nest Configured for module mounting, backplane signal distribution, and interface connectivity in CENTUM DCS architectures, the Yokogawa AMN22 (AMN22 I/O Module Nest) provides direct physical and electrical execution. The Yokogawa AMN22 functions as a chassis-level hardware assembly supporting installation of compatible I/O modules and communication paths between field interfaces and the associated node interface infrastructure. Suffix Breakdown & Model Matrix The supplied documentation identifies a single fixed model designation: AMN22. No official suffix matrix or ordering-code breakdown is provided in the available source material. Hardware Specifications Parameter Specification Model AMN22 Brand Yokogawa Origin Not specified in supplied documentation Product Type I/O Module Nest / Base Chassis Weight Approx. 2.0 kg (without installed I/O modules) Dimensions 125 mm x 130 mm x 248 mm Operating Temp -10 degC to 60 degC Storage Temp -25 degC to 70 degC Relative Humidity 5 % to 95 % RH, non-condensing Power Consumption Powered from 5.0 VDC backplane supply Mounting Method DIN rail or panel mounting Housing Material Flame-retardant industrial composite Protection Functions Overvoltage, overcurrent, and short-circuit protection Connectivity Integrated backplane interface for I/O module communication Channel Isolation and Process Signal Interface The AMN22 is designed for installation within Yokogawa DCS environments where analog and digital I/O modules exchange process data through the internal backplane structure. The chassis architecture incorporates channel separation and isolation-oriented layout practices intended to reduce electrical noise coupling between adjacent signal paths. When used with compatible analog modules supporting 4-20 mA process loops, the nest provides the physical platform through which field signal interfaces are routed to the control system. Frequently Asked Questions Q: Does the AMN22 operate as a standalone I/O module?A: No. The AMN22 is a hardware nest/base chassis intended to house compatible I/O modules and provide backplane connectivity within the control system. Q: What supply voltage is required by the AMN22 itself?A: The available documentation indicates a 5.0 VDC supply provided through the associated backplane or expansion rack infrastructure. Q: Does the AMN22 provide field signal termination directly?A: Field signal handling depends on the installed I/O modules. The AMN22 primarily provides mechanical mounting, power distribution, and communication interconnection functions. Field Installation Guidelines Mount the chassis on a properly grounded DIN rail or panel surface according to cabinet layout requirements. Maintain separation between low-level instrumentation wiring and high-energy power conductors. Verify backplane connector alignment before inserting I/O modules to prevent mechanical stress on connector assemblies. Connect cabinet protective earth in accordance with plant grounding standards. Route shielded signal cables separately from motor, inverter, and switching power cables where applicable. Confirm ambient temperature and humidity remain within the specified operating limits before commissioning. De-energize the associated rack or node interface assembly before installing or removing hardware unless the applicable Yokogawa maintenance procedure explicitly permits otherwise.
$200.00 $100.00
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Yokogawa Duplexed Field Control Unit | Yokogawa AFS20D
Yokogawa AFS20D Duplexed Field Control Unit The Yokogawa AFS20D, also cataloged as the AFS20D Duplexed Field Control Unit, operates as a dedicated hardware component for executing continuous and sequence control within CENTUM VP and CENTUM CS 3000 platforms. It features redundant processors, power modules, and communication buses to maintain uninterrupted process control under hardware faults. Hardware Specifications Parameter Specification ModelBrand Yokogawa AFS20D Origin Japan Weight Approx. 250 kg (base cabinet), 400 kg (fully loaded) Dimensions Cabinet-integrated, standard rack installation OperatingTemp 0 to 55 degC PowerConsumption 100–120 V AC: 1700 VA 220–240 V AC: 2000 VA 24 V DC: 50 A Processor VR5432 RISC Processor, 133 MHz MainMemory 16 Mbyte, battery-backed (max. 72 h) FCUStatusOutput 3 terminals (NC, NO, C), 250 V AC/30 V DC max. ratings Communication Dual-redundant V net, dual-redundant RIO bus Mounting Integrated cabinet, M6 power terminals, M8 grounding, M4 contact terminals DCS-Specific Connectivity Features The AFS20D supports direct process control interfacing with 4-20 mA HART loops and maintains channel-to-channel isolation to minimize signal interference. Remote I/O modules communicate over dual-redundant RIO buses, and cold junction compensation (CJc) is implemented for accurate thermocouple readings. FOUNDATION Fieldbus and Profibus PA networks can be connected through dedicated interface modules, ensuring deterministic loop updates and fault-tolerant data transfer. Frequently Asked Questions Q: VnA: Can the AFS20D modules be hot-swapped during operation?A: Hot-swapping is not supported for processor modules; only certain peripheral I/O cards with independent power may be replaced without shutdown. Q: VnA: What is the maximum failover time between redundant processors?A: Redundancy switchover is hardware-controlled and typically completes within a few milliseconds, ensuring no disruption of process signals. Q: VnA: Are firmware updates compatible across all AFS20D revisions?A: Firmware compatibility depends on memory size and bus configuration; updates must be verified against the specific hardware revision matrix. Field Installation Guidelines Position the cabinet on a level surface with adequate ventilation clearance on all sides. Connect AC or DC power through M6 screw terminals; verify correct polarity and voltage rating. Ground the cabinet using the M8 bolt terminal; ensure all connected shields of communication cables terminate at ground to reduce EMI. Route V net and RIO cables separately from high-power lines to prevent crosstalk. Install FCU contact output wiring with M4 terminals, ensuring no mechanical stress on screw connections. Avoid direct exposure to vibration or condensation; ambient temperature should remain within 0–55 degC.
$200.00 $100.00
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Yokogawa AFG20D Fieldbus Communication Module | Yokogawa
Yokogawa AFG20D Fieldbus Communication Module Configured for deterministic fieldbus data exchange within Yokogawa CENTUM VP and CENTUM CS 3000 environments, the Yokogawa AFG20D (AFG20D) Fieldbus Communication Module provides direct physical and electrical execution of subsystem communication between Field Control Stations (FCS) and connected field networks. The module operates as a backplane-mounted interface card enabling cyclic and acyclic data transfer, redundancy synchronization, and diagnostic reporting. Hardware Specifications Parameter Specification ModelBrand Yokogawa OperatingTemp 0 degC to 50 degC PowerConsumption Backplane supplied, low-voltage DC (exact value not specified) Module Type Fieldbus / Subsystem Communication Module System Compatibility CENTUM CS 3000 / CENTUM VP Communication Interface Fieldbus / Flex Network / Dedicated serial link Redundancy Mode Single or dual-redundant configuration Installation FCS node card cage plug-in module Diagnostics On-board status LEDs and system diagnostic reporting Yokogawa DCS Fieldbus Communication Characteristics Within CENTUM CS 3000 and CENTUM VP architectures, the AFG20D implements field-level communication handling based on cyclic scan execution and synchronized backplane arbitration. The module supports redundant pairing for continuous data path integrity, with automatic switchover under primary link degradation. Channel isolation is implemented between internal logic circuits and external fieldbus transceivers to suppress ground potential differences and transient coupling. The module firmware executes diagnostic polling routines that report communication state, bus error counters, and redundancy status to the FCS controller layer. Backplane timing alignment ensures deterministic exchange between I/O subsystems and supervisory control logic. Frequently Asked Questions Q: Does the AFG20D support hot-swap replacement under live FCS operation?A: Yes. The module supports hot insertion and removal when installed in a redundant or maintenance-ready configuration. Backplane arbitration maintains bus stability during replacement events. Q: What is the behavior during redundant module failure?A: In dual-redundant mode, the secondary module assumes communication control after loss of primary link synchronization. Transition is handled at backplane level without external fieldbus reinitialization. Q: Is firmware upgrade performed via fieldbus network?A: Firmware handling is executed through system-level maintenance tools via the FCS backplane interface. Direct fieldbus-based flashing is not supported. Field Installation Guidelines The AFG20D shall be installed in an FCS node card cage aligned with Yokogawa backplane slot mapping rules. Ensure the module is fully seated to guarantee backplane signal continuity. For redundant configuration, install paired modules in adjacent designated slots as defined by system engineering documentation. Shielded communication cabling shall maintain continuous grounding at one end only to avoid ground loop formation. Maintain separation between fieldbus wiring and high-voltage conductors to reduce electromagnetic coupling. During insertion or removal, confirm system maintenance mode or redundancy active state to prevent transient communication disruption. Backplane connectors must remain free of contamination and mechanical deformation. Do not apply mechanical force beyond guided rail insertion resistance.
$200.00 $100.00
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Yokogawa Yokogawa AFS40S | Field Control Unit
Yokogawa AFS40S Field Control Unit The Yokogawa AFS40S, also cataloged as the AFS40S Field Control Unit, operates as a dedicated hardware component for executing continuous control, sequence control, and algorithmic computation within CENTUM VP and CENTUM CS 3000 systems. It provides direct electrical execution of control programs and manages real-time data flow between I/O modules and operator interfaces. Hardware Specifications Parameter Specification Model AFS40S Brand Yokogawa Origin Japan Weight 18 kg (approximate, depends on configuration) Dimensions 482 mm (W) x 133 mm (H) x 400 mm (D) OperatingTemp 0 to 50 degC PowerConsumption 200 VA (AC), 120 W (DC) ProcessorRedundancy Dual-redundant CPU with automatic failover ControlNetwork Vnet/IP or VL net (redundant configuration supported) I/O Communication ESB Bus / ER Bus Memory ECC RAM for program execution Installation 19-inch rack-mountable Process Control Specifics The AFS40S supports 4-20 mA HART loop protocol and FOUNDATION Fieldbus / Profibus PA connectivity for digital field devices. Channel-to-channel isolation is implemented to prevent signal interference between adjacent loops. The unit includes cold junction compensation (CJC) for accurate thermocouple readings and ensures that control calculations remain consistent under varying ambient conditions. Frequently Asked Questions Q: What is the maximum number of hot-swappable modules supported?A: The AFS40S supports hot-swap of power supply modules and processor cards without interrupting ongoing control, but the total number of I/O nodes depends on system licensing and configuration. Q: How is backplane power consumption managed during redundant CPU operation?A: Each CPU card draws nominal backplane current. During dual-CPU operation, load sharing occurs automatically, and power supplies handle redundancy without exceeding rated limits. Q: Is firmware upgrade compatible with all existing modules?A: Firmware updates are compatible with standard AFS40S modules; however, any third-party I/O interface cards must be verified for compatibility. Field Installation Guidelines Install in a 19-inch industrial rack with at least 50 mm clearance around ventilation areas. Ensure all rack-mounted modules are securely fastened to prevent vibration-induced faults. Connect shielded communication cables for Vnet/IP or VL net interfaces; terminate shields at a single point to ground. Maintain separate routing for power and signal cabling to minimize electromagnetic interference. Verify proper AC/DC input voltage selection and grounding before energizing the unit.
$200.00 $100.00
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Yokogawa Yokogawa AGP813 High-Speed Protection Module
Yokogawa AGP813 High-Speed Protection Module The Yokogawa AGP813, also cataloged as the AGP813 High-Speed Protection Module, operates as a dedicated hardware component for turbomachinery speed and pulse monitoring within the CENTUM VP Distributed Control System. It executes autonomous protection logic and captures high-resolution sequence-of-events independently from the main Field Control Station. Hardware Specifications Parameter Specification ModelBrand Yokogawa AGP813 Origin Japan Weight 0.28 kg (Module only), 2.0 kg (with terminal block system) Dimensions Standard CENTUM VP module footprint OperatingTemp 0 to 55 degC PowerConsumption Max 900 mA @ 5 VDC Module Type High-Speed Protection Module (Isolated) System Compatibility CENTUM VP DCS Built-in Logic Up to 100 user-definable application logic blocks Scan / Control Period High-Speed Cycle: 5 ms (Fast Scan Mode: 1.5 ms), Basic Cycle: 10 ms Sequence of Events 1 ms timestamp resolution, 256 events/2 sec Voltage Inputs 1–5 VDC, 4 channels High-Speed, 6 channels Basic; ±4 mV accuracy; 1 MΩ powered / 100 kΩ unpowered Magnetic Pickup / Pulse Inputs 0.5–150 Vpp, 4 channels; 50 Hz–25 kHz frequency; ±1 Hz (50–2 kHz), ±0.05% (2–25 kHz) Digital Inputs 24 VDC sink, 4 channels High-Speed, 8 channels Basic; ON: 18–26.4 VDC, OFF ≤5 VDC; 4.1 mA ±20% Digital Outputs Current sinking, 4 channels High-Speed, 8 channels Basic; Max load 100 mA/channel @ 30 VDC; ON voltage ≤0.3 VDC; OFF leak ≤0.1 mA Redundancy Single or dual-redundant configuration Withstanding Voltage 500 VAC / 1 min between system/field and I/O groups Process Control Technical Features Supports channel-to-channel isolation between analog and digital signals to prevent cross-talk during high-speed acquisition. Capable of 4–20 mA HART loop interfacing for field transmitters and sensors. Cold junction compensation (CJC) applied to temperature-related signal inputs to maintain ±0.1 degC accuracy in turbine monitoring. Compatible with FOUNDATION Fieldbus and Profibus PA connectivity for integrated DCS network configuration. Frequently Asked Questions Q: Can the AGP813 module operate in a hot-swap configuration?A: The module is not designed for hot-swap replacement; de-energizing the FCS slot is required prior to installation or removal. Q: What is the switching delay when operating in dual-redundant mode?A: Failover between redundant AGP813 modules occurs within a single high-speed cycle (5 ms nominal). Q: Is firmware upgrade supported on-field?A: Firmware can only be updated using a dedicated CENTUM VP engineering workstation and the module removed from high-speed control execution during the process. Field Installation Guidelines Mount the AGP813 module on standard CENTUM VP backplane; ensure proper insertion alignment to avoid bent pins. Connect all terminal block cables (AEGP1D, AKB337-M005/M007/M010) according to signal type; maintain separation between high-voltage and low-voltage wiring. Ground shielding for MPU and analog lines is recommended to prevent noise interference. Avoid tight bending radii (<50 mm) for all field wiring. Verify redundancy configuration and LED status indicators before energizing the system. Ensure ventilation and ambient temperature remain within 0–55 degC during continuous operation.
$200.00 $100.00
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Yokogawa Duplexed Field Control Unit | AFS30D | Yokogawa
Yokogawa AFS30D Duplexed Field Control Unit The Yokogawa AFS30D, also cataloged as the AFS30D Duplexed Field Control Unit, operates as a dedicated hardware component for executing process I/O control across CENTUM CS 3000 platforms. Hardware Specifications Parameter Specification ModelBrand Yokogawa Origin Japan Weight 19 kg Dimensions Standard 19-inch rack OperatingTemp 0 to 55 degC Processor VR5432, 133 MHz MainMemory 16 Mbyte MemoryProtection Battery backup, 72-hour retention, 48-hour recharge minimum CommunicationInterfaces Dual-redundant Vnet, Dual-redundant FIO via ESB/ER bus NodeCapacity Up to 8 nodes PowerSupply 100-120 VAC 50/60 Hz, 220-240 VAC 50/60 Hz, 24 VDC PowerConsumption 250 VA (100-120 VAC), 400 VA (220-240 VAC), 4.5 A (24 VDC) FCUStatusOutput 2 terminals (NC, C), 30 V DC max, 0.3 A Installation Rack-mounted, 19-inch Process Control Specific Features Supports 4-20 mA HART loop protocol integration for analog input/output modules. Channel-to-channel isolation minimizes interference between parallel I/O operations. Cold junction compensation (CJC) supported for precise thermocouple measurements. Sequence of Events (SOE) data transfer to centralized SOE servers with timestamp accuracy. Frequently Asked Questions Q: VnA: Can the AFS30D memory be replaced or expanded while powered?A: Memory is battery-backed and not designed for hot-swap replacement; maintenance requires controlled power-down procedures. Q: VnA: What is the expected switchover time in duplexed operation?A: The backup processor takes control seamlessly within milliseconds; precise timing depends on configured process routines. Q: VnA: Are firmware upgrades supported via network interfaces?A: Yes, firmware updates are executed via redundant Vnet or FIO buses following manufacturer-approved procedures. Field Installation Guidelines Mount unit in standard 19-inch rack; secure using rack screws and rails. Ensure Vnet and FIO cables are segregated from high-voltage power lines to reduce EMI. Proper grounding of chassis is required; connect grounding points to plant common earth. Maintain minimum clearance of 50 mm around airflow vents for adequate cooling. Connect FCU status contacts to monitoring relay circuits following 30 V DC, 0.3 A limitations.
$200.00 $100.00
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Yokogawa Analog Input Module | Yokogawa NFAI141-H00
Yokogawa NFAI141-H00 Analog Input Module The Yokogawa NFAI141-H00, also cataloged as the NFAI141 Analog Input Module, operates as a dedicated hardware component for acquiring 4-20 mA process signals within CENTUM VP and CENTUM CS 3000 Distributed Control Systems. It is designed for direct electrical execution of analog-to-digital conversion and HART protocol communication. Hardware Specifications Parameter Specification ModelBrand Yokogawa Origin Japan Weight Approx. 0.36 kg (0.79 lbs) Dimensions Compact module for standard FIO slot OperatingTemp 0 to 55 degC (ambient operation) PowerConsumption Max 320 mA @ 5 VDC (internal node) ModuleType Analog Input Module (Current Input) Channels 16 isolated channels InputSignal 4-20 mA DC Communication HART 5 / 6 / 7 protocol pass-through AllowableInputCurrent 24 mA InputResistance Power ON: 250 Ω; Power OFF: ≥500 Ω Accuracy ±0.1% of full scale DataRefreshCycle 10 ms WithstandVoltage 1500 V AC, 1 min (input to system) HotSwappable Yes SystemCompatibility CENTUM VP / CS 3000 FIO Process Control & DCS Features The NFAI141-H00 provides channel-to-channel isolation to prevent signal interference between analog inputs. HART communication allows digital configuration and diagnostics without disrupting the 4-20 mA loop. Cold junction compensation (CJc) is internally applied for improved measurement stability under ambient temperature fluctuations. This module supports concurrent analog signal processing and digital overlay, maintaining data integrity across redundant FIO nodes. Frequently Asked Questions Q: What are the limitations for hot-swapping the NFAI141-H00?A: The module can be replaced online without shutting down the FIO system. Ensure loop wiring is stable and no surge voltage is present during removal. Q: Can the module handle signals exceeding 20 mA?A: The allowable input current is 24 mA. Signals above this may trigger overcurrent protection; do not exceed specified ratings. Q: Is firmware update required for HART protocol compatibility?A: The module supports HART 5/6/7 by default; firmware updates are generally not required for standard DCS operations. Field Installation Guidelines Install the module in the FIO slot with proper alignment to prevent connector damage. Maintain shielded wiring continuity to system ground to minimize electrical noise. Route analog signal cables separately from power lines to avoid crosstalk. Ensure ambient temperature remains within the rated range for stable operation. Verify isolation between channels when connecting multiple field devices.
$200.00 $100.00
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Yokogawa STA4D-00 Terminal Block | Yokogawa
Yokogawa STA4D-00 Terminal Block Configured for field wiring termination in CENTUM distributed control I/O interfacing, the Yokogawa STA4D-00 (STA4D-00) terminal block provides direct electrical breakout for 16-channel digital signal routing within Yokogawa CENTUM VP / CS 3000 I/O architectures. The assembly implements dual-redundant ready channel topology and fixed screw-clamp termination for hardwired field device integration without active signal conditioning. Hardware Specifications Parameter Specification ModelBrand Yokogawa STA4D-00 Origin Not specified in source data Weight 0.3 kg Dimensions 65.6 mm x 72 mm x 52.3 mm OperatingTemp -10 degC to +55 degC PowerConsumption Not specified Channels 16 Configuration Dual-redundant ready Connection Type M4 screw terminal Withstand Voltage 500 VAC Insulation Resistance >= 100 MOhm (500 VDC) Surge Protection Built-in surge absorber Field wiring isolation and channel termination behavior The Yokogawa STA4D-00 is aligned with process I/O termination requirements where channel-level segregation and noise rejection are implemented at the terminal interface. In Yokogawa DCS architectures, signal paths from field devices are typically routed through shielded cabling into M4 screw terminals, maintaining consistent impedance conditions prior to I/O module acquisition. The built-in surge absorption stage provides transient energy clamping at the termination boundary, limiting overvoltage propagation toward back-end I/O electronics. Channel density (16 points) is fixed and does not support dynamic reconfiguration. Frequently Asked Questions Q: Does the STA4D-00 support hot-swap during live I/O operation?A: No hot-swap capability is defined at the terminal board level. Field wiring removal or replacement requires isolation of associated I/O channels to avoid transient injection. Q: Is channel-to-channel electrical isolation implemented?A: Isolation is implemented primarily at the system and I/O module layer. The terminal board provides physical segregation via discrete M4 terminals but does not perform active galvanic isolation. Q: Can the surge absorber be disabled or bypassed?A: No bypass configuration is specified. The surge suppression element is integrated into the terminal path design. Field Installation Guidelines Field wiring shall be terminated using M4 ring or fork terminals with controlled torque application to ensure stable contact resistance. Shielded cable drain wires should be grounded at a single-point reference to avoid ground loop formation across redundant signal paths. Maintain minimum separation between high-voltage and signal wiring within cabinet routing. Conduct insulation resistance testing at 500 VDC only after full disconnection from I/O modules. Avoid mechanical stress on terminal rows during cable dressing to prevent micro-loosening of screw clamps.
$200.00 $100.00
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Yokogawa SEA4D-11 Analog Input Module | Yokogawa
Yokogawa SEA4D-11 Analog Input Module The Yokogawa SEA4D-11, also cataloged as the SEA4D-11 Analog Input Module, operates as a dedicated hardware component for converting RTD resistance signals into 4-20 mA DC outputs within Yokogawa DCS platforms. It provides precise analog-to-digital interfacing for system processors with built-in isolation and rapid response characteristics. Hardware Specifications Parameter Specification ModelBrand SEA4D-11 ModuleType Analog Input Module (Isolated Channels) NumberOfChannels 16 / 8 (dependent on sub-configuration) InputSignalRange 4-20 mA DC, 1-5 V DC InputImpedance ~250 Ω (current), ≥1 MΩ (voltage) Accuracy ±0.1% of full scale ADConversionResolution 16-bit ResponseTime ≤100 ms IsolationVoltage 500 V AC (field to system) WithstandVoltage 1500 V AC, 1 min PowerConsumption Max 5.5 W OperatingTemp 0 to 60 degC StorageTemp -20 to 85 degC Humidity 10% to 90% RH, non-condensing VibrationCompliance IEC 61131-2 Weight 0.6 kg Dimensions Dependent on baseplate configuration Origin Japan Channel-to-Channel Isolation and HART Compatibility The SEA4D-11 supports independent channel-to-channel isolation to mitigate ground loop and cross-talk effects. It passes HART signals superimposed on the 4-20 mA loop, enabling remote diagnostics and configuration without interrupting analog output. Cold junction compensation (CJc) ensures temperature measurement stability for RTD inputs. Frequently Asked Questions Q: Can the SEA4D-11 be replaced without shutting down the DCS?A: Yes, the module supports hot-swapping in dual-redundant configuration, allowing replacement online without process interruption. Q: What is the maximum input loop resistance supported for 4-20 mA signals?A: The module is designed to maintain accuracy with typical field loop resistances up to industry-standard values (~500 Ω), but actual limits depend on supply voltage and loop configuration. Q: Is firmware upgrade required for channel isolation functionality?A: No firmware updates affect isolation. Isolation is hardware-implemented per channel and continuously monitored. Field Installation Guidelines Mount the module on a compatible rack or baseplate, ensuring secure mechanical attachment. Maintain correct orientation to allow airflow and access for hot-swap operations. Connect field wiring to isolated terminals; observe polarity and shield grounding conventions. Avoid running signal cables parallel to high-voltage AC lines to prevent induced noise. Verify system grounding to maintain channel-to-channel and system-to-field isolation integrity. Conduct loop checks after installation to confirm signal continuity and proper RTD excitation.
$200.00 $100.00
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Yokogawa Yokogawa SEA4D-01 | Analog I/O Module
Yokogawa SEA4D-01 Analog I/O Module The Yokogawa SEA4D-01, also cataloged as the SEA4D-01 Analog Input Module, operates as a dedicated hardware component for 16-channel analog signal acquisition and isolation within ProSafe-RS safety instrumented systems. Hardware Specifications Parameter Specification ModelBrand Yokogawa SEA4D-01 Origin Japan Weight 3.311 lbs Dimensions 19 in length, rack-mountable OperatingTemp 0 to 60 degC PowerConsumption 5 V DC, approx. 300 mA Number of Channels 16 x 2 (dual configuration possible) Input Signal Type 4-20 mA DC, 1-5 V DC Input Impedance 250 Ohms (current input) Accuracy ±0.1% of full scale Temperature Coefficient ±0.01% / degC A/D Conversion 16-bit Insulation Resistance ≥100 M Ohms Withstand Voltage 500 VAC between channels, 1500 VAC channel-to-system Connection Type M4 screw terminal Safety Integrity Level SIL3 Mounting Type Rack-mountable, ProSafe-RS compatible Process Control & DCS Features Channel-to-Channel Isolation: Each analog input channel is electrically isolated to prevent cross-channel interference and maintain signal integrity across the I/O rack. 4-20 mA HART Loop Compatibility: Supports HART pass-through for device diagnostics and configuration without interrupting analog signal acquisition. Cold Junction Compensation (CJC): Ensures temperature-dependent measurement stability for analog inputs where applicable. Frequently Asked Questions Q: What are the hot-swap limitations for the SEA4D-01 module?A: Modules support online replacement without interrupting system operation, but ensure the baseplate bus is powered and redundant channels are active to maintain SIL3 compliance. Q: How should channel-to-channel isolation be verified during commissioning?A: Use insulation resistance measurements and verify 500 VAC withstand voltage between channels according to IEC 61131-2. Q: Can HART diagnostics operate simultaneously with analog signal acquisition?A: Yes, the module allows HART communication to pass through the analog channels without affecting real-time current or voltage measurement. Field Installation Guidelines Install modules onto the designated ProSafe-RS I/O baseplate following proper rack alignment. Connect field wiring to M4 screw terminals, ensuring torque is applied according to manufacturer specifications to maintain electrical and mechanical integrity. Ground shielded cables to prevent electromagnetic interference. Avoid running analog signal wiring parallel to high-current lines. Verify module seating and visual inspection of connector engagement before system power-up.
$200.00 $100.00
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Yokogawa Yokogawa SAV144-S33 | Signal Adapter Module
Yokogawa SAV144-S33 Signal Adapter Module The Yokogawa SAV144-S33, also cataloged as the SAV144 Signal Adapter Module, operates as a dedicated hardware component for analog signal interface and channel-to-channel isolation within CENTUM VP and ProSafe-RS platforms. Hardware Specifications Parameter Specification ModelBrand Yokogawa SAV144-S33 Origin Japan Weight 0.4 kg (approximate) Dimensions Standard DIN-rail module size (approx. 100 mm x 60 mm x 25 mm) OperatingTemp -20 degC to 70 degC PowerConsumption 2.5 W Number of Channels 16 single-ended / 8 differential Input Range ±10 V, ±20 V, ±50 V Accuracy ±0.05% Noise Floor <2 μV Input Impedance 100 Ω Supply Voltage 12 to 30 VDC Isolation 500 V AC between channels and ground for 1 min Connector Type Screw terminals or spring-clamp field connections DCS Process Control Features The SAV144-S33 provides channel-to-channel isolation and supports 4-20 mA HART loop protocol integration. It accommodates analog signals with cold-junction compensation (CJc) and ensures consistent signal transmission between field instruments and Yokogawa I/O modules. Isolation minimizes cross-talk effects in multi-channel configurations. Frequently Asked Questions Q: Does the SAV144-S33 support hot-swap installation?A: No. Field replacement requires system power down to maintain channel integrity and isolation compliance. Q: What is the maximum load per channel on the backplane?A: Each analog channel adheres to standard CENTUM VP I/O module current consumption limits; excessive parallel loading is not recommended. Q: Can firmware updates be applied to the module directly?A: No. The SAV144-S33 does not contain firmware; signal handling is purely hardware-based. Field Installation Guidelines Mount the module on a standard DIN rail or designated sub-plate, ensuring no mechanical stress is applied to the connectors. Route field wiring to minimize interference; maintain separation from high-power conductors. Ensure proper grounding of the module housing and shielded signal cables to reduce noise and cross-talk. Verify supply voltage polarity and channel connections prior to energizing the system. Avoid connecting or disconnecting terminals while the system is powered to maintain isolation integrity.
$200.00 $100.00
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Yokogawa Relay Output Terminal Board | Yokogawa SARM55W
Yokogawa SARM55W Relay Output Terminal Board The Yokogawa SARM55W, also cataloged as the SARM55W relay output terminal board, operates as a dedicated hardware component for discrete contact actuation within Yokogawa FIO digital output interface systems. Configured for field device switching in CENTUM VP / CS 3000 architectures, the Yokogawa SARM55W (SARM55W Relay Output Terminal Board) provides direct electrical relay execution between DO modules and external load circuits. Suffix Breakdown & Model Matrix SARM: Yokogawa standard relay output terminal assembly family for FIO systems 55W: 32-point wet contact relay output configuration with dual-line field power segmentation No additional suffix variants or functional sub-matrix definitions are specified in the provided documentation Hardware Specifications Parameter Specification ModelBrand Yokogawa SARM55W Origin Japan Weight 2.2 kg Dimensions W 482.6 mm x H 132.5 mm (3U) OperatingTemp 0 to 50 degC PowerConsumption 24 VDC, max 0.65 A (internal circuit) Contact Points 32-point relay output Max Load 250 VAC 0.6 A per point Max Load 30 VDC 0.6 A per point Max Load 125 VDC 0.1 A per point Insulation Resistance >= 10 MOhm (500 VDC) Withstanding Voltage 2 kV field-to-case, 500 V power-to-case Field Device Supply Dual-line, per 16-point group Process Control Interface Electrical Architecture Yokogawa process I/O architectures implement channel-level separation and controlled electrical isolation between field switching elements and system backplane logic. The SARM55W relay terminal board supports discrete output decoupling through mechanical contact isolation, ensuring separation between 24 VDC control power domains and external load circuits. In DCS integration environments, channel-to-channel electrical independence is maintained through relay segmentation, minimizing cross-conduction paths under mixed AC/DC switching conditions. The terminal architecture aligns with distributed I/O designs where field wiring density is concentrated at rack-level termination points, reducing cabinet-level wiring dispersion and improving signal routing determinism in DO execution paths. Frequently Asked Questions Q: Can the SARM55W support mixed AC and DC load switching on adjacent channels?A: Yes. Each relay channel is electrically isolated; however, load grouping must respect per-point current limits and field wiring separation standards. Q: Does the board require external suppression for inductive loads?A: External flyback or surge suppression is required at the field device level for inductive loads to prevent contact wear and arcing. Q: Is hot-swap supported for the terminal board during operation?A: Hot-swap behavior depends on system configuration; field termination should be de-energized prior to board removal to avoid relay contact stress. Field Installation Guidelines Maintain separation between AC and DC wiring harnesses on field terminal blocks Ensure torque specification compliance for M4 terminal screws to avoid contact resistance drift Use shielded cables for high-noise industrial environments and terminate shields at single-point ground only Verify insulation resistance before energizing field circuits (minimum 10 MOhm recommended threshold) Do not exceed per-point current limits to prevent relay contact degradation Confirm correct allocation of dual-line field power groups (16-point segmentation)
$200.00 $100.00
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Yokogawa FIO Relay Terminal Board | Yokogawa SARM55D
Yokogawa SARM55D FIO Relay Terminal Board Configured for discrete relay output interfacing in CENTUM VP and CENTUM CS 3000 FIO subsystem, the Yokogawa SARM55D (SARM55D Relay Board / Terminal Board) provides direct physical/electrical execution of 32-point dry contact switching between DCS output modules and field loads. The module implements mechanical relay contact architecture with channel separation for low-level control signal conversion to external switching circuits. It is designed for rack-mounted installation with high-density terminal integration and redundant configuration support. Suffix Breakdown & Model Matrix No suffix variants or extended ordering matrix information is defined for the SARM55D base model in the provided dataset. Configuration is treated as a single-standard 32-point relay terminal board design. Hardware Specifications Parameter Specification ModelBrand Yokogawa SARM55D Weight approx. 2.2 kg Dimensions 482.6 mm x 132.5 mm OperatingTemp 0 to 50 degC ProductType Relay Output Terminal Board (FIO) Channel Capacity 32 points Contact Type Mechanical relay dry contact (NO a contact) Wiring Interface M4 screw terminals Cable Compatibility AKB331 (32-point), AKB337 (64-point) Insulation Resistance >= 10 MOhm at 500 V DC Withstanding Voltage 2 kV AC field-to-case (1 min), 500 V AC 24 V to case (1 min) Yokogawa DCS Field Interface Electrical Characteristics The SARM55D implements channel-level galvanic separation between field wiring and internal FIO logic domain. Output switching is executed via mechanical relay contacts driven from ADV-series I/O modules such as ADV561, ensuring physical isolation of control logic from field-side voltage transients. The terminal structure supports high-density routing of 32 discrete output channels with reduced cross-channel coupling within the rack backplane architecture. Frequently Asked Questions Q: Can the SARM55D support hot-swap replacement under live DCS operation?A: Hot-swap capability is not defined at relay terminal board level; replacement requires system-level isolation of FIO power and output loop de-energization. Q: What is the maximum electrical isolation level between field terminals and internal circuitry?A: The insulation system is specified for 2 kV AC withstand between field terminals and case for 1 minute under standard test conditions. Q: Is channel-to-channel electrical isolation individually implemented?A: Isolation is primarily implemented between field-side and system-side domains; internal relay grouping governs channel separation behavior. Field Installation Guidelines Ensure all field wiring is terminated using M4 screw torque specifications consistent with industrial control cabinet standards. Maintain segregation between high-voltage switching lines and low-level signal routing to minimize induced noise coupling. Shielded cable grounding should be terminated at a single control panel earth reference point to avoid ground loop formation. Verify all relay output loops are de-energized prior to insertion or removal of the terminal board. Maintain minimum bend radius for AKB-series cables during rack integration to avoid mechanical stress on connector interfaces.
$200.00 $100.00
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Yokogawa Mechanical Relay Contact Output Module | Yokogawa SARM55C
Yokogawa SARM55C Mechanical Relay Contact Output Module Configured for mechanical relay dry contact actuation in CENTUM VP/CS 3000 FIO subsystems, the Yokogawa SARM55C (ARMS5C Mechanical Relay Contact Output Module) provides direct electrical execution of up to 32 relay output points to field devices with selectable NO or NC contacts. The module converts low-voltage 24 VDC internal signals into switched outputs capable of handling AC and DC loads. Dual-redundant wiring schemes are supported per 16-point segment, ensuring isolated channel operation and minimal cross-coupling. Relay contacts meet defined ON/OFF load ratings while maintaining insulation resistance above 10 MΩ and withstand voltage up to 2 kV AC between field terminals and chassis. Suffix Breakdown & Model Matrix SARM55C / ARMS5C refers to a fixed mechanical relay output board designation within Yokogawa FIO hardware. No additional suffix variants are defined in the provided dataset. Hardware Specifications Parameter Specification ModelBrand Yokogawa SARM55C Origin Japan Weight approx. 2.2 kg Dimensions 482.6 mm x 132.5 mm OperatingTemp 0 degC to 50 degC PowerConsumption 24 VDC, max 0.65 A internal circuit Channel Capacity 32-point mechanical relay contact output Contact Configuration NO/NC selectable per channel Maximum Load 250 VAC @ 2 A, 30 VDC @ 2 A, 125 VDC @ 0.1 A per point Minimum Load 5 VDC @ 10 mA Insulation Resistance >= 10 MΩ at 500 VDC Withstand Voltage 2 kV AC (field terminals to case), 500 V AC (power terminals to case), 2 kV AC (field to power terminals) Yokogawa Process Output Channel Architecture Channel-to-Channel Isolation and Redundant Output Domains The SARM55C implements electrical segregation per 16-point output group to reduce interference between adjacent relay channels. Mechanical relay contacts are designed to maintain isolation between control signals and high-voltage switched loads, while dual-line redundant output segments allow for safe sequential activation without channel-to-channel cross-talk. Frequently Asked Questions Q: Can SARM55C relay outputs switch both AC and DC loads simultaneously?A: Each channel is rated individually; AC and DC loads can be handled but simultaneous connection of multiple voltage types to the same contact is not recommended. Refer to maximum load ratings per channel. Q: Is the module suitable for hot-swap insertion in the backplane?A: Hot-swapping is not supported under live field conditions. De-energize both 24 VDC field and internal power before module removal to prevent contact arcing. Q: How is output contact polarity managed for NO/NC selection?A: Each output point provides mechanical selection of normally open or normally closed operation via internal relay configuration, without external wiring changes. Field Installation Guidelines Ensure all 24 VDC field and internal power supplies are de-energized before connecting M4 terminal screws. Route field cables separately from power distribution lines to avoid inductive coupling. Verify insulation resistance of 10 MΩ minimum at 500 VDC prior to commissioning. Tighten terminals according to industrial torque standards to prevent loose connections and intermittent switching. Mount on standard 19-inch rack with proper grounding of chassis to maintain EMC compliance.
$200.00 $100.00
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Yokogawa SARM15A | Mechanical Relay ContactInput Module | Yokogawa
Yokogawa SARM15A Mechanical Relay ContactInput Module Configured for dry contact acquisition in CENTUM VP field input architecture, the Yokogawa SARM15A (ARM15A Mechanical Relay Contact Input Module) provides direct physical/electrical execution for 32-point relay contact sensing across Yokogawa FIO input subsystems. The module implements a mechanical relay interface layer between field contact devices and downstream DI modules, translating contact resistance states into defined electrical ON/OFF thresholds under 24 VDC excitation. Redundant-capable field wiring supports dual-line power distribution per 16-point segment, enabling segmented field energization and controlled signal acquisition. Signal integrity is maintained through high off-state impedance discrimination and defined low-resistance ON detection boundaries. Suffix Breakdown & Model Matrix SARM15A / ARM15A refers to a fixed mechanical relay contact input module designation within Yokogawa FIO hardware line. No further publicly defined suffix segmentation is specified in the provided technical dataset. Hardware Specifications Parameter Specification ModelBrand Yokogawa SARM15A / ARM15A Origin Japan Weight approx. 2.2 kg Dimensions 482.6 mm x 132.5 mm OperatingTemp 0 degC to 50 degC PowerConsumption 24 VDC internal circuit, max 0.32 A Channel Capacity 32-point mechanical relay contact input Field Termination M4 screw terminals ON Threshold 150 ohm or less OFF Threshold 200 kohm or greater Field Supply 24 VDC dual-line, max 0.3 A per line Insulation Resistance >= 10 Mohm at 500 VDC Withstand Voltage up to 1.5 kVAC (field to case interface) Yokogawa Process Input Channel Architecture Channel-to-Channel Electrical Segregation Behavior Within Yokogawa FIO input structures, relay-based contact acquisition modules such as SARM15A implement physical channel grouping combined with electrical segmentation per 16-point field power domain. This structure reduces cross-point coupling under 24 VDC excitation conditions, particularly during simultaneous switching of mechanically driven dry contacts. The architecture maintains deterministic ON/OFF threshold interpretation through fixed resistance window discrimination rather than analog scaling methods such as 4-20 mA or HART-based loop evaluation. Frequently Asked Questions Q: Can the module be hot-swapped under energized field conditions?A: The module is not designed for field-side hot swapping. Removal requires de-energization of field 24 VDC supply lines and isolation of backplane interface to prevent contact arcing and signal corruption. Q: What is the electrical interpretation mechanism for ON/OFF states?A: ON state is determined by contact resistance below or equal to 150 ohm. OFF state is defined by resistance equal to or above 200 kohm, forming a discrete threshold window without analog interpolation. Q: Does the module provide per-channel electrical isolation?A: Isolation is implemented at field power segmentation level and internal circuit isolation barriers, rather than fully independent per-channel galvanic isolation. Field Installation Guidelines Ensure 24 VDC field supply is fully isolated before terminal engagement. Maintain M4 screw torque within standard industrial control cabinet tightening practice to prevent intermittent contact resistance drift. Route field cables (AKB331) separately from high-noise power conductors to avoid induced switching noise on dry contact lines. Verify insulation resistance before energizing field loop, minimum 10 Mohm at 500 VDC test condition. Maintain proper grounding of rack frame to reduce common-mode noise coupling into relay detection circuits.
$200.00 $100.00
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Yokogawa SAED5D Digital Signal Terminal Board | Yokogawa
Yokogawa SAED5D Digital Signal Terminal Board The Yokogawa SAED5D, also cataloged as the SAED5D Digital Signal Terminal Board, operates as a dedicated hardware component for digital I/O signal interfacing within CENTUM VP and CENTUM CS 3000 Distributed Control Systems. HardwareSpecifications Parameter Specification ModelBrand Yokogawa SAED5D Origin Japan Weight ~1.5 kg Dimensions 19-inch rack mounting OperatingTemp Standard industrial range (0 to 55 degC typical) PowerConsumption Dependent on connected I/O modules, nominal 24 V DC ±10% Number of Channels 32 Terminal Type M4 Screw Terminals Compatible I/O Modules ADV151, ADV551, ADV161, ADV561 Compatible Cables AKB331 (ADV151/ADV551), AKB337 (ADV161/ADV561) Redundancy Dual-redundancy supported (2x SAED5D + 2x AKB337 for 1x ADV161/ADV561) Insulation Resistance ≥100 MΩ at 500 V DC Withstanding Voltage 500 V AC for 1 minute Process Control Features Supports channel-to-channel electrical isolation to minimize signal interference between adjacent digital I/O lines. Compatible with 4-20 mA HART loop protocols when interfaced through respective analog modules. Designed for cold junction compensation (CJc) in mixed-signal environments to maintain accurate digital logic triggering. Frequently Asked Questions Q: Can the SAED5D modules be hot-swapped in a live FIO rack?A: No. Modules must be powered down prior to insertion or removal to prevent potential damage to both the terminal board and connected I/O modules. Q: What is the recommended method to secure field wiring to the M4 screw terminals?A: Tighten screws to the torque specified by Yokogawa (typically 0.5–0.6 N·m) to ensure vibration-resistant contact while avoiding conductor damage. Q: How should redundant configurations be connected?A: For dual-redundancy, pair two SAED5D boards with the corresponding AKB-series cables per module. Ensure correct cable latching to maintain continuous grounding paths and signal integrity. Field Installation Guidelines Verify the rack and mounting rail alignment before inserting the SAED5D to avoid connector pin stress. Maintain separation of digital and power cables to reduce cross-talk; use shielded twisted-pair wiring where applicable. Confirm proper grounding of the SAED5D and connected modules; do not rely solely on backplane metallic contact. Avoid exposing the terminal board to conductive dust or excessive moisture; if necessary, use additional enclosures or conformal coating verification. Check screw terminals periodically for torque retention, particularly in high-vibration installations.
$200.00 $100.00
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Yokogawa NFAI841-S50 Analog Input Module | Yokogawa
Yokogawa NFAI841-S50 Analog Input Module Configured for acquisition of 4 to 20 mA DC field loop signals in FOUNDATION Fieldbus based control architectures, the Yokogawa NFAI841-S50 (NFAI841 Analog Input Module) provides direct electrical conversion of analog current inputs into system-level process data for FIO backplane integration within Yokogawa distributed control systems. Suffix Breakdown & Model Matrix NFAI841: Base module type, analog input processing unit S50: Configuration/assembly variant (terminal and mounting specification dependent on system integration) No additional functional decomposition is defined for suffix S50 based on provided manufacturing data. Hardware Specifications Parameter Specification Model NFAI841-S50 Brand Yokogawa Origin Japan Module Type Analog Input Module Series FOUNDATION Fieldbus (FF) Channels 8 (AI, 4 to 20 mA DC) Input Signal 4-20 mA DC Input Accuracy +/-0.1% of full scale Input Impedance 250 ohm (power on), 500 kohm or more (power off) Output Current 25 mA Power Supply 24 VDC Power Consumption 3 W Operating Temperature -40 degC to +85 degC Ingress Protection IP66 Dimensions 35 mm (W) x 110 mm (H) x 58 mm (D) Weight Approx. 200 g FOUNDATION Fieldbus Analog Signal Interface Behavior The NFAI841-S50 executes 4 to 20 mA DC signal acquisition with mapping into FOUNDATION Fieldbus function block structures. Field device integration is performed through FF communication layers, allowing cyclic process variable updates from each of the 8 input channels into the control system scan cycle. The module input stage is designed without galvanic isolation between signal paths, requiring common grounding reference integrity across field wiring segments. Signal conditioning is performed at the A/D conversion stage prior to FF protocol encapsulation. Frequently Asked Questions Q: Can the NFAI841-S50 channels be hot-swapped during operation?A: Hot-swap capability depends on system rack configuration. The module itself supports field-side signal presence detection, but removal under load requires system-level FIO rack support. Q: Does each channel support individual electrical isolation?A: No. The module is specified as a non-isolated input design; all channels share a common electrical reference structure. Q: What happens if input current exceeds 20 mA range?A: Inputs above full-scale 20 mA may result in saturation at the A/D conversion stage without protective isolation limiting at channel level. Field Installation Guidelines Maintain shield grounding at a single-point earth reference to prevent loop current distortion Use twisted-pair cabling for all 4 to 20 mA loops to reduce electromagnetic coupling Ensure terminal torque and mechanical seating are consistent with Yokogawa FIO rack specifications Avoid mixed grounding potentials across field instruments connected to the same module Verify power supply stability at 24 VDC with minimal ripple before energizing module backplane
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