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 ALF111-S00 FOUNDATION Fieldbus FF-H1 Interface Module
Yokogawa ALF111-S00 FOUNDATION Fieldbus FF-H1 Interface Module Configured for deterministic process data exchange in Yokogawa CENTUM VP distributed control systems, the Yokogawa ALF111-S00 (base model ALF111) provides direct physical and electrical interfacing between the FCS backplane and FOUNDATION Fieldbus H1 segments at 31.25 kbps. Hardware Specifications Parameter Specification Model Brand Yokogawa ALF111-S00 Origin Japan Weight 0.3 kg Dimensions 127 x 25 x 127 mm Operating Temp -40 to 70 degC Power Consumption 1.5 W @ 24 VDC Transmission Speed 31.25 kbps Bus Interface 2-wire FOUNDATION Fieldbus H1 Withstanding Voltage 1500 VAC/min (field to system) Bus Connection Pressure clamp terminals with removable terminal block and built-in terminators FOUNDATION Fieldbus H1 Segment Interfacing The ALF111-S00 implements FOUNDATION Fieldbus H1 link layer scheduling via Link Active Scheduler capability. Channel operation supports cyclic process data transfer using function block execution synchronized to the macrocycle. Electrical isolation is maintained between field wiring and system backplane to prevent ground loop propagation. Cold junction compensation is not applicable; instead, bus power is supplied externally via an isolated fieldbus power conditioner meeting FF-844 standards. Frequently Asked Questions Q: Is the ALF111-S00 hot-swappable? A: Yes. The module can be replaced online without interrupting other active channels, provided redundancy is configured. Q: What is the maximum device load per segment? A: The theoretical limit is 32 devices; practical engineering recommendations restrict loading to 16 devices per segment to maintain voltage margin and scheduling performance. Q: Does it support redundant operation? A: Yes. Two ALF111-S00 modules can operate in a redundant pair, with automatic switchover in case of module failure. Field Installation Guidelines Mount the ALF111-S00 directly into the designated slot of compatible Yokogawa FCS node units such as AFV30, AFV40, AFV10, or AFF50. Use only shielded twisted-pair Type A cable for H1 segments, maintaining shield continuity to the termination point. Ensure proper grounding at one end only to prevent ground loops. Verify bus polarity before energizing the segment. Install built-in terminators at both physical ends of the bus. Confirm no excessive voltage drop exists along the segment prior to commissioning.
$200.00 $100.00
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Yokogawa Ethernet Communication Module | Yokogawa ALE111-S51
Yokogawa ALE111-S51 Ethernet Communication Module Configured for deterministic subsystem data exchange in CENTUM VP and CENTUM CS 3000 networks, the Yokogawa ALE111-S51 (ALE111 Ethernet Communication Module) provides direct physical-layer execution of 10 Mbps half-duplex transmission via RJ-45 interfaces. Suffix Breakdown & Model Matrix Code Element Definition ALE111 Ethernet Communication Module (FIO Type) S Standard Type 5 FCS (Field Control Station) Mounting 1 Basic Type with ISA Standard G3 Option Hardware Specifications Parameter Specification Brand Yokogawa Origin Japan Model ALE111-S51 Weight 0.3 kg Dimensions 125.5 mm (Height) Operating Temperature 0 to 55 degC Power Consumption 0.5 A @ Rack Bus Voltage Transmission Speed 10 Mbps Transmission Method Half-Duplex Connector Type RJ-45 Max Distance 100 m (Single Segment) 4-20 mA HART Loop Protocol Support The ALE111 series supports integration with conventional analog instrumentation utilizing the 4-20 mA HART protocol. This capability allows the module to coexist on the same physical network infrastructure where legacy field devices require superimposed digital communication for configuration and diagnostics, ensuring backward compatibility with existing plant assets without requiring full field rewiring. Frequently Asked Questions Q: Does the ALE111-S51 support hot-swapping? A: Yes. The module can be removed and inserted while the FCS rack is powered, provided the control logic accounts for I/O hold states to prevent process upset. Q: What is the maximum current load imposed on the backplane? A: The module draws a maximum of 0.5 A from the FCS backplane power supply during full-duplex operation. Q: Is redundant communication supported? A: Dual-redundant configurations are supported when two modules are installed in adjacent slots and configured via system engineering tools. Field Installation Guidelines Install the module into the designated FCS I/O slot until the ejector levers lock. Use Category 5 unshielded twisted pair (UTP) cable for all RJ-45 connections. Maintain a minimum bend radius of 25 mm for all Ethernet cabling. Ensure the DCS cabinet ground potential is equalized with connected subsystems to prevent ground loops. Terminate the cable shield at one end only, typically at the cabinet earth bar, to mitigate common-mode noise. Verify link activity LEDs (ACT/TX/RX) before closing the cabinet door.
$200.00 $100.00
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Yokogawa Ethernet Communication Module | Yokogawa ALE111-S01
Yokogawa ALE111-S01 Ethernet Communication Module The Yokogawa ALE111-S01, also cataloged as the ALE111 Ethernet Communication Module, operates as a dedicated hardware component for deterministic data exchange between CENTUM VP distributed control systems and external subsystem controllers via standard Ethernet infrastructure. Hardware Specifications Parameter Specification Model Brand Yokogawa Origin Japan Weight 0.30 kg Dimensions Not specified Operating Temp 0 to 50 degC Power Consumption 0.50 A @ 5 VDC Interface Type 100Base-TX / 10Base-T Connector RJ-45 x 1 Transmission Speed 100 Mbps / 10 Mbps (auto-sensing) Transmission Distance Max. 100 m Transmission Medium Cat 5 or higher UTP cable Supported Protocols Modbus/TCP, MELSEC, PLC-5/SLC500, Omron FINS Redundancy Support Dual-redundant configuration possible Max Connections Up to 4 per module (protocol dependent) Process Control Network Characteristics This module supports 4-20 mA HART loop protocol translation when interfacing analog input/output subsystems through Ethernet encapsulation. Channel-to-channel isolation is maintained to prevent ground loop formation between control nodes. Cold junction compensation is applied in connected temperature measurement subsystems to ensure signal accuracy under varying ambient conditions. Frequently Asked Questions Q: Does the ALE111-S01 support hot-swapping? A: Yes, when installed in a redundant pair within supported node units, the module can be replaced without interrupting network communications. Q: What is the switching behavior during redundancy failover? A: Communication switchover occurs at the network stack level with no controller-side interruption; however, protocol session re-establishment timing depends on the connected subsystem firmware. Q: Are there any backplane power restrictions? A: The module requires 5 VDC from the node unit backplane with a maximum draw of 0.50 A; exceeding this may cause voltage drop faults in adjacent modules. Field Installation Guidelines Install the ALE111-S01 only in designated ESB or ER bus node unit slots. Use shielded Category 5e or higher UTP cables for runs near high-power equipment to minimize electromagnetic interference. Terminate cable shields at both ends to the node unit ground bus. Verify RJ-45 latch integrity before commissioning. When deploying in redundant configuration, synchronize firmware revisions between both modules to prevent communication handshake errors.
$200.00 $100.00
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Yokogawa ALE111-S00 | Ethernet Communication Module | Yokogawa
Yokogawa ALE111-S00 Ethernet Communication Module Configured for deterministic subsystem data exchange in Yokogawa CENTUM distributed control networks, the Yokogawa ALE111-S00 (ALE111 Ethernet Communication Module) provides direct physical-layer execution of IEEE 802.3 10BASE-T communications. Hardware Specifications Parameter Specification Model Brand Yokogawa ALE111-S00 Origin Japan Weight 0.3 kg Dimensions Not specified in source data Operating Temp 0 to 50 degC Power Consumption 0.5 A @ 5 VDC Interface IEEE 802.3 10BASE-T Transmission Speed 10 Mbps Media Access Control CSMA/CD Connector RJ-45 Cable Type 100 ohm twisted-pair (unshielded) Max Segment Length 100 m Transmission Mode Half-duplex No. of Ports 1 Process Control Bus Integration Characteristics The ALE111-S00 interfaces directly with the CENTUM VP and CENTUM CS 3000 backplane bus, supporting deterministic data exchange with FA-M3, Modbus, MELSEC, YFGW, DARWIN/DAQSTATION, and PLC-5/SLC500 subsystems. Channel isolation is maintained through independent electrical segmentation per port, preventing cross-bus interference. Cold junction compensation is not applicable to this module; signal integrity relies solely on controlled impedance cabling and termination matching. Frequently Asked Questions Q: Is hot-swap supported during live operation? A: Hot-swap replacement is possible only when installed in a redundant pair configuration within the FCS base unit. Single-module installations require system shutdown before removal. Q: What is the maximum number of simultaneous connections? A: The module supports one active Ethernet link per port; concurrent sessions depend entirely on the connected host device’s protocol handling capacity. Q: Does the module support auto-negotiation for transmission speed? A: No. The ALE111-S00 operates strictly at 10 Mbps half-duplex as defined by IEEE 802.3 10BASE-T specifications. Field Installation Guidelines Mount the module into the designated slot of a compatible Yokogawa base unit ensuring full mechanical engagement. Use only 100 ohm unshielded twisted-pair cabling with proper RJ-45 termination. Maintain cable length under 100 m to prevent signal attenuation. Ensure shield drain wires are grounded at the control cabinet earth bar, not at the module connector. Verify backplane power supply capacity before insertion to avoid overcurrent conditions.
$200.00 $100.00
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Yokogawa Signal Cable CENTUM VP | Yokogawa AKB331
Yokogawa AKB331 Signal Cable Configured for field network I/O interconnect in Yokogawa CENTUM VP and ProSafe-RS platforms, the Yokogawa AKB331 (base model AKB331 signal cable) provides direct physical and electrical linkage between high-density digital/analog I/O modules such as SDV144 and terminal boards including ARM15A. The assembly supports 50-pin connector mating and maintains defined signal paths without introducing extraneous circuit loading. Hardware Specifications Parameter Specification Model Brand Yokogawa Origin Japan Weight 0.45 kg Dimensions 500 mm length (varies by suffix) Operating Temp –20 degC to +70 degC Power Consumption Passive (no active power draw) Pin Configuration 50-pin to 50-pin Shielding EMI/RFI shielded Fieldbus & Loop Compatibility The AKB331 supports 4-20 mA HART loop protocol transmission integrity when deployed with compatible Yokogawa I/O assemblies. Channel-to-channel isolation is maintained through shielded conductor routing, minimizing crosstalk between adjacent signal pairs in multi-core configurations. This preserves deterministic response characteristics required in CENTUM VP control loops. Frequently Asked Questions Q: Can the AKB331 be hot-swapped while the system is powered? A: No. All Yokogawa FIO cabling must be disconnected from powered modules before removal to prevent transient backfeed into the I/O card. Q: Does cable length affect signal timing in ProSafe-RS architectures? A: Within specified length options, propagation delay remains within Yokogawa’s published tolerances; exceeding recommended lengths may degrade noise immunity. Q: Are different suffix versions electrically interchangeable? A: Yes, provided pinout and shielding specifications match; mechanical length differences are the only variation. Field Installation Guidelines Install the AKB331 with minimum bend radius of 50 mm to avoid core deformation. Connectors must be fully seated until locking levers engage. Shield terminations should be bonded to the system ground at one end only to prevent ground loops. Route separately from high-voltage power cables, maintaining at least 150 mm spacing in cable trays. Verify pin alignment before mating to prevent contact splay.
$200.00 $100.00
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Yokogawa Signal Conditioner Nest | Yokogawa AGS813-S10
Yokogawa AGS813-S10 Signal Conditioner Nest Configured for termination and distribution of I/O signal lines in Yokogawa CENTUM-series distributed control systems, the Yokogawa AGS813-S10 (base model AGS813) provides direct physical and electrical execution through a 16-slot backplane structure supporting modular signal conditioners. It integrates field wiring terminations with system-side connections while maintaining defined channel separation and power distribution paths. Hardware Specifications Parameter Specification Model Brand Yokogawa AGS813-S10 Origin Japan Weight Approx. 4.5 kg (empty chassis) Dimensions 482.6 mm x 133.4 mm x 280 mm Operating Temp -10 to 60 degC Power Consumption 24 VDC nominal, 5 A max backplane load Slot Count 16 Mounting Type 19-inch rack mount Conformal Coating Yes (corrosion-resistant variant) Channel-to-Channel Isolation Characteristics The AGS813-S10 implements galvanic separation between adjacent signal conditioner slots to suppress cross-talk and maintain measurement integrity under high-noise industrial conditions. Each slot’s backplane circuitry supports independent return paths, minimizing interference from common-mode voltage fluctuations. This isolation scheme aligns with Yokogawa’s standard 4-20 mA HART loop protocol handling, allowing mixed analog input/output modules without performance degradation due to shared ground loops. Frequently Asked Questions Q: Can individual signal conditioner modules be replaced without shutting down the entire nest? A: Yes. The backplane supports hot-swapping of modules, provided replacement occurs slot-by-slot with correct ESD precautions. Q: Does the AGS813-S10 support redundant power input? A: Redundant 24 VDC power feeds can be connected via separate terminals on the backplane to ensure uninterrupted operation during single-source failure. Q: Is the conformal coating compatible with high H2S environments? A: Yes. The S10 variant meets Yokogawa specifications for protection against hydrogen sulfide and sulfur dioxide exposure. Field Installation Guidelines Install the AGS813-S10 in a grounded 19-inch rack enclosure, ensuring adequate clearance for ventilation at both top and bottom. Use shielded twisted-pair cabling for all field wiring, terminating shields to the designated earth bar at a single point to prevent ground loops. Torque terminal screws to manufacturer-recommended values (typically 0.5–0.6 Nm). Verify slot alignment before inserting modules to avoid bent pins. Confirm backplane voltage stability prior to powering up any installed I/O modules.
$200.00 $100.00
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Yokogawa AFS10D | Duplex Field Control Unit | Yokogawa
Yokogawa AFS10D Duplex Field Control Unit Configured for deterministic execution of regulatory control loops in CENTUM VP and CENTUM CS 3000 platforms, the Yokogawa AFS10D (base model AFS10D Field Control Unit) provides direct physical and electrical interfacing between Remote I/O nodes and the Vnet/IP control network. Suffix Breakdown & Model Matrix Code Specification Description Model AFS10D Duplexed Field Control Unit (for RIO) Suffix Codes -S Standard type 5 100 - 120 V AC Power Supply 6 220 - 240 V AC Power Supply 7 24 V DC Power Supply 1 Vnet/IP Type / Dual-redundant Hardware Specifications Parameter Specification Brand Yokogawa Origin Japan Weight 9 kg Dimensions 482.6 mm x 310 mm x 265 mm (19-inch rack) Operating Temp 0 to 50 degC Power Consumption 410 VA (max, AC); 8 A (24 VDC) Input Voltage 100-120 VAC, 220-240 VAC, 24 VDC Redundancy Dual-redundant CPU, Power, Bus Network Interface Vnet/IP / VL net FOUNDATION Fieldbus & Profibus PA Connectivity The AFS10D interfaces with field devices via Remote I/O nodes supporting FOUNDATION Fieldbus H1 and Profibus PA protocols. The control bus maintains deterministic cyclic data exchange with a 50 ms update rate. Channel-to-channel isolation is enforced at 500 VDC to suppress transient noise coupling from field wiring. Cold junction compensation is applied internally for connected thermocouple inputs through the associated I/O modules. Frequently Asked Questions Q: What is the maximum inrush current when hot-swapping a power supply module? A: The redundant power supply allows hot-swap replacement with an inrush current not exceeding 30 A for 50 ms. Verify voltage compatibility before insertion. Q: Is battery-backed memory retained during complete power loss? A: Yes. Main memory contents are preserved via a lithium battery backup, maintaining volatile data during outages. Battery replacement requires a scheduled shutdown. Q: What is the failover time between the active and standby CPUs? A: Bumpless transfer occurs within 10 ms. Output states remain unchanged during the transition. Field Installation Guidelines Mount the unit in a standard 19-inch rack with 150 mm rear clearance for bus cabling. Ground the chassis using a 5/16 inch ring terminal connected to the plant earth grid. Terminate all shield drains at the controller end only. Torque power terminals to 1.2 Nm. Set RIO bus termination switches to ON for the final physical node.
$200.00 $100.00
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Yokogawa Field Control Unit | YAFG84D-H4123 | Yokogawa
Yokogawa AFG84D-H4123 Field Control Unit Configured for deterministic execution of regulatory control loops in the CENTUM VP Distributed Control System, the Yokogawa AFG84D-H4123 (base model AFG84D Field Control Unit) provides direct physical and electrical interfacing between field instrumentation and the Vnet/IP control network. Suffix Breakdown & Model Matrix Code Definition AFG84 Base Field Control Unit (Duplex) D Dual-redundant Processor/Power configuration H41 Hardware revision denoting 220-240 VAC power input and G3 conformal coating 23 Factory-specific firmware revision and terminal block configuration Hardware Specifications Parameter Specification Brand Yokogawa Origin Japan Weight 18 kg Dimensions 482.6 mm x 310 mm x 265 mm (19-inch rack) Operating Temp 0 to 50 degC Power Consumption 250 VA (typical load) Power Supply 220-240 VAC, 50/60 Hz Redundancy Duplex (CPU, Power, Bus) Network Interface Vnet/IP, ER Bus 4-20 mA HART Loop Protocol Handling The unit processes analog input signals via local FIO modules supporting 4-20 mA HART protocol. Channel-to-channel isolation is maintained at 500 VDC minimum. The backplane logic enforces HART burst mode timing constraints to prevent data collision on shared multidrop networks. Signal conversion latency from field termination to Vnet/IP packet transmission is fixed at 50 ms. Frequently Asked Questions Q: What is the maximum hot-swap current limit for replacing a power supply module while the unit is energized? A: The redundant power supply supports hot-swapping with a maximum inrush current of 30 A for 50 ms. Ensure the replacement module matches the voltage rating of the active supply. Q: Does the AFG84D-H4123 support automatic firmware rollback during a failed update? A: No. Firmware flashing requires manual verification of the .bin file checksum via the engineering station. Failed updates require physical access to the maintenance port for recovery. Q: What is the switching delay during a CPU failover event? A: The duplex configuration ensures control output continuity with a switchover time of less than 10 ms. No output hold timers are required. Field Installation Guidelines Install the unit in a 19-inch rack with a minimum clearance of 150 mm at the rear for bus cable routing. Terminate shield drains directly to the chassis ground terminal using a 5/16 inch ring terminal; do not connect shields at the field instrument end to avoid ground loops. Torque all power terminals to 1.2 Nm. Verify the ER Bus termination resistors are set to ON for the final node in the chain.
$200.00 $100.00
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Yokogawa Duplexed Field Control Unit | Yokogawa AFG10D
Yokogawa AFG10D Duplexed Field Control Unit The Yokogawa AFG10D also cataloged as the AFG10D FCU Duplexed Field Control Unit, operates as a dedicated hardware component for deterministic control execution and data exchange within V net / RIO control network architectures. The Yokogawa AFG10D (AFG10D FCU) provides direct physical and electrical execution of redundant process control logic and field I/O coordination across dual communication paths. Suffix Breakdown & Model Matrix AFG10D: Duplexed Field Control Unit for V net / Remote I/O systems Power Input Options: 100 to 120 VAC, 50/60 Hz 220 to 240 VAC, 50/60 Hz 24 VDC supply variant Redundancy Configuration: Dual-redundant processor and communication path architecture Mounting Type: 19-inch rack installation format Protection Options: Optional conformal coating for corrosive atmosphere resistance Hardware Specifications Parameter Specification Model AFG10D Brand Yokogawa Dimensions 19-inch rack mount form factor OperatingTemp 0 to 50 degC PowerConsumption 100-120 VAC: 400 VA; 220-240 VAC: 410 VA; 24 VDC: 8 A Input Voltage 100-120 VAC / 220-240 VAC / 24 VDC Control Network Dual-redundant V net I/O System Remote I/O (RIO) bus Memory Backup Battery-backed main memory retention (up to 72 hours) Protection Rating Internal fuse 8 A / 250 V; recommended external breaker 15 A / 250 V Channel Isolation and Process Communication Behavior The AFG10D FCU implements channel-to-channel electrical isolation across control and communication domains to prevent signal coupling between redundant processing paths. Within Yokogawa DCS architectures, process variables are exchanged over V net dual highways, while RIO nodes operate as distributed acquisition points. Signal conditioning paths are compatible with standard 4-20 mA loop interfaces, and system integration may coexist with HART protocol layers for field device diagnostics. In mixed configurations, controller-level scanning supports deterministic update cycles between FCU and remote I/O stations. Frequently Asked Questions Q: Can the AFG10D perform hot-swap of processor modules during operation?A: Hot-swap capability is limited to system-supported redundant module switching. Active processor removal requires system-side failover to standby path before physical replacement. Q: What is the expected behavior during FCU redundancy switching?A: The unit performs a bumpless transfer between active and standby processing paths, maintaining V net communication continuity with minimal control interruption. Q: Does the FCU support mixed RIO and V net communication loading?A: Yes, RIO communication and V net control traffic are handled through separated logical channels with deterministic scan scheduling. Field Installation Guidelines The unit shall be installed in a grounded 19-inch industrial rack structure with verified equipotential bonding between chassis ground and cabinet earth. Power wiring must follow segregated routing for AC/DC input lines to minimize electromagnetic coupling into V net communication cables. Shield termination for field communication cables shall be completed at designated grounding points only, avoiding multi-point grounding loops. Maintain minimum bend radius for V net fiber or copper media as specified by system-level installation standards. Redundant power inputs, if both utilized, must originate from independent supply breakers to preserve fault isolation characteristics of the duplexed architecture.
$200.00 $100.00
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Yokogawa Yokogawa AFF50D-H41201 Duplexed Field Control Unit
Yokogawa AFF50D-H41201 Duplexed Field Control Unit The Yokogawa AFF50D-H41201, also cataloged as the AFF50D Duplexed Field Control Unit, operates as a dedicated hardware component for real-time control logic execution within CENTUM distributed control systems. It provides dual-redundant processing and communication pathways for uninterrupted signal computation and field interface management. Hardware Specifications Parameter Specification ModelBrand Yokogawa AFF50D-H41201 Origin Japan Weight Approx. 8 kg Dimensions 19-inch rack-mountable OperatingTemp 0 to 50 degC PowerConsumption 220-240 VAC: 230 VA / 24 VDC: 5.5 A Processor VR5432, 133 MHz MainMemory 32 MB MemoryProtection Battery backup, up to 72 hours BatteryRechargeTime Minimum 48 hours FCUStatusOutput 2 terminals (NC, C), 30 V DC max 0.3 A CommunicationInterface Dual-redundant V net; dual ESB bus PowerSupply 100-120 VAC 50/60 Hz, 220-240 VAC 50/60 Hz, 24 VDC Process Control Characteristics The AFF50D-H41201 supports channel-to-channel isolation to prevent signal interference across process loops. It maintains compatibility with 4-20 mA HART loop protocols and supports FOUNDATION Fieldbus and PROFIBUS PA connectivity for direct device-level data acquisition. Cold junction compensation (CJC) is implemented for precise thermocouple measurement under fluctuating ambient conditions. Frequently Asked Questions Q: What happens to the FCU outputs during a processor fault?A: The status contacts (NC, C) open immediately upon any FCU failure to signal downstream alarms. Q: Can the AFF50D-H41201 memory battery be replaced without shutting down the unit?A: No. Battery replacement requires unit shutdown to preserve memory integrity. Q: Are the V net interfaces hot-swappable?A: No. Interface modules must be powered down before removal or installation. Field Installation Guidelines Install the unit in a 19-inch standard rack with sufficient ventilation for heat dissipation. Ensure all power and communication cables are routed separately to avoid cross-talk or electromagnetic interference. Ground all metal chassis points according to industrial earthing standards. Avoid exposure to direct moisture and corrosive aerosols despite the G3 conformal coating. Maintain at least 50 mm spacing around the FCU for airflow and service access.
$200.00 $100.00
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Yokogawa Yokogawa AEP9D Secondary Power Supply Bus Unit
Yokogawa AEP9D Secondary Power Supply Bus Unit The Yokogawa AEP9D-4, also cataloged as the AEP9D Secondary Power Supply Bus Unit, operates as a dedicated hardware component for distributing stable 24 VDC secondary power within CENTUM VP and CENTUM 3000 DCS cabinets. It receives dual-line inputs and delivers independent 9-output branches per line to connected terminal boards and sub-modules. Hardware Specifications Parameter Specification ModelBrand AEP9D Origin Japan Weight 1.8 kg nominal Dimensions 160 mm x 130 mm x 45 mm OperatingTemp 0 degC to 55 degC PowerConsumption Max input current: 20 A total; 10 A per port InputPowerSupplyVoltage 24 VDC WithstandingVoltage 500 V AC, 1 min OutputPorts 9 per line, 3-pin MATE-N-LOK StandardsConformance CSA, CE Marking InputTerminals Line A/B: +24P, –24N; FG functional ground OutputPinAssignments Pin1: FG, Pin2: –24N, Pin3: +24P Channel-to-Channel Isolation The AEP9D ensures electrical isolation between Line A and Line B output channels, preventing cross-channel interference. Each output port maintains separation from adjacent ports to minimize ground loop currents and protect downstream control modules. This isolation supports stable 4-20 mA HART loop signaling and prevents propagation of transient voltage spikes across connected devices. Frequently Asked Questions Q: Does the AEP9D support hot-swapping of input lines?A: Input lines can be maintained individually; however, hot-swap procedures require sequential disconnection to avoid output voltage collapse on dependent loads. Q: What is the switching behavior during line redundancy activation?A: Switching between Line A and Line B occurs automatically without mechanical relays, ensuring minimal transient impact within 1-2 ms for downstream circuits. Q: Can the output ports handle extended cable runs without voltage drop?A: The outputs are designed for distribution within the standard cabinet environment. For runs exceeding 5 m, voltage drop must be evaluated according to cable AWG and current rating. Field Installation Guidelines Mount the AEP9D on a grounded DIN rail or bracket ensuring functional ground connection to cabinet chassis. Route Line A and Line B separately, avoiding parallel routing to high-power AC conductors. Connect each output branch to intended terminal boards using 3-pin MATE-N-LOK connectors, maintaining polarity (+24P, –24N, FG). Verify total input current does not exceed 20 A; balance loads per line to prevent thermal overload. Ensure environmental airflow allows operation within 0 degC to 55 degC; avoid obstructing cooling paths.
$200.00 $100.00
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Yokogawa AEP7D-21 | Yokogawa | Primary Power Supply Bus Unit
Yokogawa AEP7D-21 Primary Power Supply Bus Unit The Yokogawa AEP7D-21, also cataloged as the AEP7D Primary Power Supply Bus Unit, operates as a dedicated hardware component for routing and distributing 220-240 V AC primary power within CENTUM VP and CENTUM 3000 DCS platforms. It provides dual-redundant input lines with isolatable circuits to maintain uninterrupted operation during maintenance. HardwareSpecifications Parameter Specification ModelBrand AEP7D-21 Origin Japan Weight Approx. 1.8 kg Dimensions Tailored for vertical mount in general-purpose cabinets OperatingTemp Standard industrial range (0 to 55 degC) PowerConsumption Max. Input Current: 20 A total, 6 A per port InputVoltage 220 V AC to 240 V AC (±10%) InputFrequency 50 / 60 Hz (±3 Hz) WithstandingVoltage 1500 V AC OutputPorts Up to 14 distributed lines via shorting jumpers Process Control Connectivity The AEP7D-21 maintains channel-to-channel isolation for all distributed outputs to reduce cross-coupling effects between modules. It is fully compatible with 4-20 mA HART loop protocols and supports FOUNDATION Fieldbus and Profibus PA connectivity. Cold junction compensation (CJc) circuitry ensures accurate voltage delivery under varying environmental temperatures, minimizing drift across the bus unit. Frequently Asked Questions Q: Does the AEP7D-21 support hot-swapping of modules?A: The unit’s dual-redundant input design allows isolated maintenance of each line. Hot-swap of downstream modules should follow the cabinet’s standard safety and isolation procedures. Q: What is the recommended maximum load per output port?A: Each output port is rated for a maximum of 6 A. Exceeding this value may trigger protective trip mechanisms or reduce voltage stability. Q: Can the unit handle transient overvoltages from external sources?A: With a withstanding voltage of 1500 V AC, the bus unit can tolerate standard industrial transients. Surge protection at the cabinet input is advised for extended service life. Field Installation Guidelines Mount the unit vertically on the cabinet’s general-purpose DIN rails or mounting panels. Ensure clearance of at least 50 mm from adjacent modules to prevent heat accumulation. Connect Line A and Line B input sources to separate breakers. Verify isolation before maintenance. Route output cabling to minimize cross-talk: keep power and signal lines physically separated. Ground the unit according to ISA G3 guidelines. Use single-point grounding where possible to avoid ground loops. Confirm that all connections comply with rated current specifications to prevent overloading. Check for proper ventilation in the cabinet to maintain operating temperature below 55 degC.
$200.00 $100.00
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Yokogawa Yokogawa AEP7D-20 Primary Power Supply Bus Unit
Yokogawa AEP7D-20 Primary Power Supply Bus Unit The Yokogawa AEP7D-20, also cataloged as the AEP7D Primary Power Supply Bus Unit, operates as a dedicated hardware component for distributing primary AC power across CENTUM VP and CENTUM 3000 series DCS cabinets, ensuring dual-line redundancy and uninterrupted power delivery. Hardware Specifications Parameter Specification ModelBrand AEP7D-20 Origin Japan Weight Approx. 1.8 kg Dimensions Standard Yokogawa cabinet mounting (vertical type) OperatingTemp 0 degC to 55 degC (typical industrial range) PowerConsumption Dependent on load; Max input current 20 A total, 6 A per port InputVoltage 220 V AC to 240 V AC (±10%) InputFrequency 50 / 60 Hz (±3 Hz) WithstandingVoltage 1500 V AC OutputPorts Up to 14 connections (parallel setups) DCS Power Distribution Features Supports dual-redundant input lines (Line A and Line B) for uninterrupted operation. Independent maintenance for each line without halting system functions. Channel-to-channel isolation minimizes interference between power distribution paths. High-density bus design allows multiple sub-ports while maintaining voltage stability. Built-in cold junction compensation ensures voltage reference stability under temperature variations. Frequently Asked Questions Q: Can the AEP7D-20 be hot-swapped without shutting down the DCS?A: Hot-swap is not recommended for the AEP7D-20; maintenance should be performed on one line while the redundant line remains active. Q: What is the maximum load per output port?A: Each output port is rated for 6 A maximum; total unit load should not exceed 20 A. Q: Are firmware updates required for this power supply unit?A: The AEP7D-20 operates as a hardware bus unit without embedded firmware; no firmware updates are necessary. Field Installation Guidelines Mount vertically in standard Yokogawa cabinets (AFV40 series or ACB51). Ensure proper grounding of all input and output terminals to reduce electrical noise. Maintain separation between Line A and Line B cabling to preserve isolation. Verify that all sub-port connections do not exceed rated per-port current. Follow standard industrial practice for cabinet ventilation to maintain operating temperature below 55 degC.
$200.00 $100.00
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Yokogawa AEA4D-01 | Terminal Boards | Yokogawa
Yokogawa AED5D-00 Terminal Boards The Yokogawa AED5D-00, also cataloged as the AED5D Terminal Board, operates as a dedicated hardware component for digital signal termination within CENTUM VP and CENTUM 3000 Distributed Control Systems. It provides a direct electrical interface for up to 32 field devices, supporting single and dual-redundant I/O module architectures. Hardware Specifications Parameter Specification ModelBrand AED5D-00 Product Type Terminal Board for Digital Signals Origin Japan Channel Capacity 32 Channels Signal Compatibility Digital Inputs / Digital Outputs, 24 VDC System Redundancy Single or Dual-redundant Terminal Screw Type M4 Screw Terminals Compatible Signal Cables AKB331 (32-ch), AKB337 (64-ch) Insulation Resistance ≥ 100 MΩ at 500 VDC Withstanding Voltage 500 VAC, 1 min Weight 1.5 kg Dimensions Standard 19-inch rack mount compatible OperatingTemp -20 to +70 degC PowerConsumption Dependent on connected modules Process Control Features Supports 4-20 mA HART loop protocol integration for digital I/O monitoring. Provides channel-to-channel isolation, preventing signal interference between adjacent digital channels. Designed for cold-junction compensation (CJC) stability when integrated with temperature-sensitive digital sensors in DCS loops. Frequently Asked Questions Q: Does the AED5D-00 support hot-swap of connected I/O modules?A: Yes, the board allows field modules to be replaced without interrupting field wiring due to its dual-redundant design. Q: What is the maximum cable length supported for digital inputs and outputs?A: Cable length should follow Yokogawa standard digital I/O wiring guidelines, typically limited to maintain voltage drop below 10% for 24 VDC lines. Q: Can the board be used with both 32-ch and 64-ch digital modules?A: Yes. For 64-ch modules (ADV161/ADV561), two AED5D boards are required to interface fully with the module. Field Installation Guidelines Mount the board on a 19-inch rack or marshalling panel using four M5 screws. Ensure proper grounding of the board and shielded cables to minimize electromagnetic interference. Route digital signal cables separately from high-current power lines to reduce cross-talk. Verify correct screw torque on M4 terminals to prevent loose connections under vibration. Maintain natural air convection; avoid obstructing airflow around the board.
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Yokogawa AEA4D-01 | Analog Input Terminal Board Yokogawa
Yokogawa AEA4D-01 Terminal Board The Yokogawa AEA4D-01, also cataloged as the AEA4D Terminal Board, operates as a dedicated hardware component for analog signal interfacing within CENTUM and ProSafe-RS systems. It provides physical termination and routing for field instruments to Yokogawa FIO modules, supporting both single and dual-redundant I/O configurations. Hardware Specifications Parameter Specification ModelBrand Yokogawa AEA4D-01 Origin Japan Weight 1.5 kg Dimensions Dual-row vertical terminal block, standard panel mount OperatingTemp -20 degC to +70 degC AmbientHumidity 5% to 95% RH (non-condensing) TerminalScrewType M4 Screw Terminals ChannelCapacity 16 channels (8 points x 2 blocks) SignalConfiguration Single or dual-redundant analog InsulationResistance ≥ 100 MOhm at 500 VDC WithstandingVoltage 500 VAC for 1 minute ConnectionCable Yokogawa KS1 signal cable MountingMethod 19-inch rack or panel with 4 x M5 screws Process Control DCS Features The AEA4D-01 supports 4-20 mA HART loop protocol and maintains channel-to-channel isolation for noise suppression. Cold junction compensation (CJc) is applied internally to reduce temperature-induced drift. Dual-redundant port architecture enables uninterrupted signal routing during FIO module replacement or failure, maintaining DCS operational integrity. Frequently Asked Questions Q: VnA: Can the AEA4D-01 support hot-swap of FIO modules?A: Yes, field wiring remains undisturbed, and module replacement can be conducted without powering down the I/O rack. Q: VnA: What is the maximum cable length for connecting field instruments?A: Standard Yokogawa KS1 cable specifications should be followed; length is determined by analog signal attenuation and noise margin. Q: VnA: Is surge protection integrated?A: No, the standard suffix (-0/-1) models are supplied without surge absorbers; external protection must be implemented if required. Field Installation Guidelines Mount the terminal board on a standard 19-inch rack or panel using 4 x M5 screws. Connect field instrument cables using M4 screw terminals ensuring torque per industrial standards to maintain gas-tight contact. Maintain separation of analog signal cables from power lines to prevent electromagnetic interference. Ground shielding at one end only to avoid ground loops. Verify dual-redundant port connections when configuring for hot-standby operation. Avoid mechanical stress on cables during installation to prevent signal degradation.
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Yokogawa Communication Module | ADR541 | Yokogawa
Yokogawa ADR541 Communication Module The Yokogawa ADR541, also cataloged as the ADR541 Communication Interface Module, operates as a dedicated hardware component for deterministic real-time data transfer across CENTUM Distributed Control System (DCS) platforms. Hardware Specifications Parameter Specification Model ADR541 Brand Yokogawa Origin Japan Weight Refer to module datasheet for exact weight Dimensions Standard I/O node slot dimensions (exact details in installation manual) OperatingTemp 0 to 50 degC StorageTemp -20 to 70 degC AmbientHumidity 10% to 90% RH, non-condensing PowerConsumption Depends on slot configuration; typically low-power for continuous operation ModuleType Communication Interface / Bus Interface Channels / Ports Multi-channel (varies by sub-model) CommunicationProtocol Proprietary Yokogawa system bus / field network TransmissionRate High-speed deterministic data transfer Isolation Galvanic isolation between internal circuitry and field connections Redundancy Supports dual-redundant configuration HotSwapping Supported CoolingMethod Natural air circulation (fanless) Mounting Dedicated I/O node or baseplate slot ConformalCoating Optional (ISA G3 compliant) Process Control Connectivity The ADR541 provides channel-to-channel isolation and supports FOUNDATION Fieldbus and Profibus PA connectivity, ensuring independent signal integrity across multiple communication lanes. Cold junction compensation (CJC) is integrated for thermal stability across the module’s analog and digital interfaces, minimizing measurement drift in extreme industrial environments. Frequently Asked Questions Q: Does the ADR541 support hot-swap while in dual-redundant mode?A: Yes, modules can be replaced online without interrupting communication, provided the redundant counterpart remains operational. Q: What is the maximum backplane current load for a single ADR541 module?A: The module draws standard low-level current; exact figures are specified in the system installation manual and depend on the I/O node configuration. Q: Can firmware be upgraded without removing the ADR541 from the slot?A: Yes, firmware flash compatibility is supported, allowing updates through the DCS host interface. Field Installation Guidelines Mount the module in a dedicated I/O node or baseplate slot with proper alignment to the backplane connectors. Ensure galvanic isolation and shielded cabling for field connections to prevent ground loops and crosstalk. Maintain clearances around the module to allow natural air circulation; avoid obstructing ventilation paths. Follow manufacturer wiring practices for grounding and signal routing to minimize electrical noise interference. Verify module LEDs and DCS diagnostics post-installation to confirm operational readiness.
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Yokogawa Contact Output Module | ADC32-S1 | Yokogawa
Yokogawa ADC32-S1 Contact Output Module The Yokogawa ADC32-S1, also cataloged as the ADC32 Contact Output Module, operates as a dedicated hardware component for isolated relay switching across 32 channels within ProSafe-RS safety systems. Hardware Specifications Parameter Specification ModelBrand Yokogawa ADC32-S1 Origin Japan Weight 0.5 kg Dimensions 6.56 cm × 7.20 cm × 5.23 cm OperatingTemp -10 to +55 degC HumidityRange 5% to 95% RH (Non-condensing) NumberOfChannels 32 isolated outputs OutputType Relay contact (dry contact) SwitchConfiguration On/Off, Sink or Source capability LEDStatusIndicators Yes, per channel WithstandingVoltage 500 VDC to 1500 VAC, 1 min PowerConsumption Per module nominal, refer to datasheet SIS-Specific Signal Characteristics The ADC32-S1 provides galvanic isolation for all 32 output channels, ensuring separation between field wiring and internal safety logic. Each channel supports positive contact feedback to confirm switching events, maintaining compliance with SIL-rated safety loops. Channel-to-channel isolation mitigates cross-talk, allowing simultaneous switching of multiple actuators without signal interference. Frequently Asked Questions Q: VnA: Can the ADC32-S1 outputs drive both sourcing and sinking devices?A: Yes, each channel is configurable to sink or source current according to connected actuator requirements, within the rated voltage/current limits. Q: VnA: What is the maximum switching voltage and current per channel?A: Refer to the module datasheet; typical ratings support up to 24–30 VDC for safe loop operation. Exceeding rated values may compromise isolation. Q: VnA: Is the ADC32-S1 suitable for hot-swapping in a live ProSafe-RS rack?A: No. Module insertion or removal must occur with the backplane de-energized to prevent logic or relay damage. Field Installation Guidelines Mount the module into standard Yokogawa FIO backplane slots with firm mechanical engagement. Ensure all output field wiring is shielded and terminated with proper grounding to reduce EMI. Keep high-current and signal wiring physically separated to prevent inductive coupling. Confirm backplane voltage is removed before module installation or removal. Verify channel LED indicators illuminate correctly after installation to confirm electrical continuity. Avoid exceeding environmental limits of temperature and humidity; maintain non-condensing conditions.
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Yokogawa Yokogawa CENTUM CS 3000 AD5*D Terminal Board
Yokogawa AD5*D Terminal Board The Yokogawa AD5*D-0, also cataloged as the AD5*D Terminal Board, operates as a dedicated hardware component for signal termination and bridging between field devices and FIO modules within CENTUM VP and CENTUM CS 3000 systems. Hardware Specifications Parameter Specification ModelBrand Yokogawa AD5*D Origin Japan Weight 0.2 kg Dimensions 3.2 cm × 12.5 cm × 13.0 cm OperatingTemp 0 to 50 degC OperatingHumidity 10% to 90% RH (Non-condensing) MountingType DIN-rail or panel mount CompatibleSignalCable Yokogawa AKB331 InsulationResistance ≥ 10 MΩ at 200 VDC; up to ≥ 10 MΩ at 500 VDC WithstandingVoltage 200–500 VAC for 1 min (per module insulation class) CorrosionResistance ISA-S71.04 Class G3 (if code 6/F selected) DCS-Specific Signal Characteristics The AD5*D Terminal Board supports direct channel-to-channel isolation for digital and analog signals routed into FIO modules. Loop-level integration is compatible with 4-20 mA HART protocol signaling. Cold junction compensation is applicable when connected to thermocouple field devices, maintaining consistent voltage references across signal channels. Redundant digital I/O configurations are accommodated without cross-channel interference. Frequently Asked Questions Q: VnA: Can the AD5*D be hot-swapped while FIO modules are energized?A: No. Terminal boards require de-energized conditions during insertion or removal to maintain signal integrity and prevent transient overvoltage. Q: VnA: What is the expected insulation performance for mixed analog and digital signal channels?A: Standard operation maintains ≥ 10 MΩ at 200 VDC. With module-specific configurations, insulation withstands up to 500 VDC without breakdown. Q: VnA: Does the AD5*D support FOUNDATION Fieldbus or Profibus PA directly?A: The terminal board provides physical termination only; protocol-specific modules must handle digital communication. Electrical routing preserves signal isolation and integrity. Field Installation Guidelines Mount the AD5*D on a standard DIN-rail or control panel using screws with firm torque. Ensure proper grounding of signal shields to reduce EMI. Route digital and analog signal cables separately to avoid crosstalk. Maintain recommended bend radius for AKB331 cables to prevent conductor strain. Confirm power isolation on FIO modules before terminal board installation. If installing in hazardous areas, verify explosion protection and corrosion-resistant code compliance.
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Yokogawa Yokogawa AEP7D-10 Primary Power Supply Bus Unit
Yokogawa AEP7D-10 Primary Power Supply Bus Unit Configured for power distribution and source segregation in Yokogawa DCS cabinet infrastructure, the Yokogawa AEP7D-10 (AEP7D Primary Power Supply Bus Unit) provides direct electrical power routing from dual AC input lines to multiple downstream system loads. The unit supports independent Line A and Line B power paths and distributes incoming AC power through dedicated output circuits within compatible Yokogawa control system architectures. Suffix Breakdown & Model Matrix Code Description AEP7D Primary Power Supply Bus Unit (Horizontal Rack-Mount Type) -1 100 to 120 VAC input power supply 0 Configuration for Yokogawa standard cabinet (AFV40x / ACB51 application) Full Model AEP7D-10 Hardware Specifications Parameter Specification Model AEP7D-10 Brand Yokogawa Origin Japan Product Type Primary Power Supply Bus Unit Input Voltage Range 100 to 120 VAC Frequency 50/60 Hz Maximum Input Current (Total Unit) 20 A Maximum Input Current (Per Port) 6 A Output Configuration 7 outputs (Line A) + 7 outputs (Line B) Parallel Output Configuration Up to 14 outputs when Line A and Line B are interconnected Withstanding Voltage 1500 VAC Mounting Method 19-inch Rack Mount, Horizontal Type Weight Approx. 1.8 kg Explosion Protection Basic type, no dedicated explosion-protection designation DCS Power Distribution and Channel Isolation Characteristics Within Yokogawa distributed control system installations, the AEP7D-10 functions as a cabinet-level AC power distribution component. Line A and Line B are physically and electrically separated, allowing independent maintenance procedures without requiring complete shutdown of connected system assemblies. The unit supports dual-source power architectures commonly implemented in DCS environments. Electrical isolation between incoming power paths reduces the possibility of unintended interaction between redundant supply sources and allows individual branch distribution to associated control hardware. Frequently Asked Questions Q: Does the AEP7D-10 support dual incoming power sources?A: Yes. The unit accepts two independent AC input sources identified as Line A and Line B, with separate distribution outputs for each line. Q: How many output distribution circuits are available?A: The standard configuration provides seven outputs for Line A and seven outputs for Line B. When both input lines are connected in parallel, up to fourteen outputs can be supplied from a single source. Q: Is hot replacement of power wiring supported during operation?A: Available documentation specifies electrical separation of Line A and Line B for maintenance purposes. Specific hot-swap procedures should follow the applicable Yokogawa cabinet and site maintenance documentation. Field Installation Guidelines Verify incoming supply voltage is within the specified 100 to 120 VAC range before energizing the unit. Maintain separation between Line A and Line B wiring according to cabinet design documentation. Confirm branch circuit loading does not exceed 6 A per output port or 20 A total unit input current. Use cabinet grounding practices consistent with plant electrical standards and Yokogawa installation requirements. Route power conductors separately from low-level signal wiring to minimize electromagnetic coupling. Inspect terminal tightness during commissioning and scheduled maintenance intervals. Confirm rack mounting hardware is properly secured before connecting field power circuits.
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Yokogawa ACM22 RS-422/RS-485 | Communication Module | Yokogawa
Yokogawa ACM22 RS-422/RS-485 Communication Module The Yokogawa ACM22, also cataloged as the ACM22 Communication Module, operates as a dedicated hardware component for serial data interfacing between Field Control Stations and peripheral devices within CENTUM CS 1000 / CS 3000 platforms. Hardware Specifications Parameter Specification ModelBrand ACM22 Origin Japan Weight 0.50 kg Dimensions Nest-mount, 1 slot OperatingTemp 0 to 55 degC PowerConsumption Max. 1.2 A at 5.0 VDC (backplane supplied) Number of Ports 2 (independent, RS-422/RS-485 selectable) Communication Mode Half-Duplex, 2-wire or 4-wire Supported Baud Rates 1200 / 2400 / 4800 / 9600 / 19200 / 38400 bps Maximum Transmission Distance Up to 1,200 m per port Maximum Connected Nodes 31 slave devices per port (RS-485 mode) Transmission Media Shielded Twisted Pair (STP) cable Isolation Voltage 500 V AC between comm circuit and internal logic Connection Interface Terminal block or D-sub connector (per nest plate suffix) Synchronization Asynchronous / Start-Stop DCS Integration Features The ACM22 provides channel-to-channel isolation to prevent interference between serial lines. It supports 4-20 mA HART loop protocol integration when connected to analog I/O subsystems. Cold junction compensation (CJc) circuitry ensures minimal thermal-induced offset when communicating with temperature-sensitive instruments. Frequently Asked Questions Q: Can the ACM22 be hot-swapped while the FCS is powered?A: No. The module must be inserted or removed only with the nest power off to prevent backplane current spikes. Q: What is the effect of connecting more than 31 devices on an RS-485 port?A: Exceeding 31 nodes can result in bus reflections, communication errors, or reduced signal integrity. Q: Are firmware updates required for compatibility with newer CENTUM CS 3000 revisions?A: The ACM22 is firmware-independent; compatibility relies on nest and FCS backplane versions. Field Installation Guidelines Install in a properly grounded nest slot; avoid shared ground loops with high-current devices. Use shielded twisted-pair cables; terminate shields at one end only to prevent circulating currents. Set DIP switches or jumpers for RS-422 or RS-485 mode and termination resistor value (100 or 120 ohms). Maintain minimum separation from high-frequency switching devices to reduce EMI. Verify LED status indicators (Ready, Run, Tx/Rx) after installation for proper line operation.
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Yokogawa ACM12 S1 | Communication Module | Yokogawa
Yokogawa ACM12 S1 Communication Module Configured for serial data communication in Yokogawa control networks, the Yokogawa ACM12 S1 (ACM12 Communication Module) provides direct physical/electrical execution of RS-422 and RS-485 data exchange. The module supports one communication port with selectable point-to-point or multipoint topology, half-duplex transmission, asynchronous start-stop synchronization, and communication rates up to 19200 bps. Suffix Breakdown & Model Matrix The supplied documentation identifies the module as ACM12 S1. No official suffix decomposition or option matrix is provided in the source material; therefore, no further suffix interpretation is included. Hardware Specifications Parameter Specification Model ACM12 S1 Brand Yokogawa Origin Japan Product Type RS-422 / RS-485 Communication Module Interface Port 1 Port Communication Protocol RS-422 or RS-485 Connection Type Point-to-Point (RS-422), Multipoint (RS-485) Communication Mode Half-duplex Synchronization Start-stop synchronization Communication Speed 1200 / 2400 / 4800 / 9600 / 19200 bps Transmission Code ASCII / Binary Character Length 7 bit or 8 bit Stop Bit Length 1 bit or 2 bit Parity Check None / Odd / Even Signal Reception After Transmission 1 ms Maximum Transmission Distance 1200 m total cable length Installation Method Communication Module Nest Module Compatibility Cannot be combined with ACF11; ACM11 can be combined with ACM12 Wiring Requirement 3-pair shielded cable or AKB161 connection cable Connection Method 6-pole terminal, M4 screw connection Power Consumption 1.0 A @ 5 VDC Dimensions Approximately 215 mm x 46 mm x 160 mm Weight Approximately 0.80 kg Channel Isolation and DCS Communication Characteristics Within process control architectures, the ACM12 functions as a serial communication interface between host control equipment and external field devices. The module supports ASCII and binary transmission formats while permitting configuration of parity, character length, and stop-bit parameters to match connected equipment requirements. For RS-485 multipoint installations, shield continuity, grounding practice, and line termination must be coordinated across the communication segment to maintain signal integrity over cable distances up to 1200 m. The module provides configurable communication parameters suitable for integration with serial instruments, analyzers, controllers, and legacy DCS subsystems. Frequently Asked Questions Q: Does the ACM12 support both RS-422 and RS-485 communication standards?A: Yes. The module supports one selectable communication port operating as either RS-422 or RS-485. Q: Can the ACM12 operate in full-duplex mode?A: No. The supplied specification identifies half-duplex communication mode only. Q: Are there installation restrictions with other communication modules?A: Yes. The documentation states that ACM12 cannot be combined with ACF11. ACM11 can be combined with ACM12 within the specified installation arrangement. Field Installation Guidelines Install the module only in the designated Communication Module Nest location. Verify compatibility with adjacent modules before installation. Use shielded communication cable as specified by Yokogawa documentation. Route serial communication wiring separately from high-voltage power conductors to reduce electromagnetic interference. Bond cable shields according to site grounding standards and system design requirements. Tighten M4 terminal connections to the manufacturer's recommended torque specification. Confirm baud rate, parity, character length, and stop-bit settings are identical at both communication endpoints before commissioning. For RS-485 multidrop networks, apply appropriate network termination and address configuration according to the connected device requirements.
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Yokogawa ACM11 RS-232C | Communication Module | Yokogawa
Yokogawa ACM11 RS-232C Communication Module Configured for serial data exchange in Yokogawa CENTUM distributed control systems, the Yokogawa ACM11-S2 (base model ACM11 RS-232C Communication Module) provides direct physical and electrical execution of point-to-point data links between Field Control Units and external subsystems. Hardware Specifications Parameter Specification Model Brand Yokogawa ACM11-S2 Origin Japan Weight 0.86 kg Dimensions Proprietary slot-in card form factor Operating Temp -20 degC to +70 degC Power Consumption < 1.0 W Interface Standard RS-232C Data Rate Up to 230 kbps Connection Distance Up to 15 m (without line drivers) Supported Protocols LFS2210 (FA-M3), LFS2211 (DARWIN) FOUNDATION Fieldbus and Profibus PA Connectivity The ACM11 operates within legacy CENTUM I/O architectures where integration with fieldbus-connected instruments requires deterministic timing alignment at the module level. In multi-drop configurations, channel-level synchronization ensures that RS-232C data packets do not collide with parallel fieldbus schedules. Electrical noise immunity is maintained through backplane shielding practices consistent with Yokogawa’s analog/digital I/O nests. Frequently Asked Questions Q: Can the ACM11 be hot-swapped while the Node Interface Unit is powered? A: No. Removal or insertion must occur only after confirming zero backplane power to prevent transient voltage spikes. Q: Is firmware upgrade possible directly on the ACM11 hardware? A: Firmware functions are handled by the host system software; the module itself contains no user-upgradable firmware storage. Q: What is the maximum sustained data throughput under protocol LFS2210? A: Throughput depends on cable length and connected device latency but will not exceed 230 kbps per RS-232C limits. Field Installation Guidelines Mount the ACM11 into a designated Analog/Digital I/O Module Nest (AMN11/AMN31 or compatible Node Interface Unit). Ensure all mounting latches fully engage to maintain proper backplane contact. Use shielded twisted-pair cabling for RS-232C connections, terminating the shield at the nest ground point only. Maintain separation from high-voltage power wiring to reduce electromagnetic interference. Verify pin assignments against the subsystem documentation before applying power.
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Yokogawa ACG10S-F2121 | Communication Gateway Unit | Yokogawa
Yokogawa ACG10S-F2121 Communication Gateway Unit Configured for V net to Ethernet protocol conversion in Yokogawa CENTUM distributed control systems, the Yokogawa ACG10S-F2121 (ACG10S Communication Gateway Unit) provides deterministic data routing between redundant 10BASE-5 coaxial segments and wide-area Ethernet infrastructure. Suffix Breakdown & Model Matrix Code Segment Code Technical Meaning Model ACG10S Communication Gateway Unit Suffix 1 -F Frame Mode, Wide Area Communication (Ethernet) Suffix 2 2 Dual-Redundant V net Interface (10BASE-5) Suffix 3 1 General-Purpose 19-inch Rack Mountable Type Suffix 4 1 100–120 V AC Power Supply Suffix 5 2 Basic Software License for CENTUM VP (LGW12) Suffix 6 1 Style Code (Hardware Revision Variant) Hardware Specifications Parameter Specification Brand Yokogawa Origin Japan Weight (Rack Mount) 7.5 kg Weight (Desktop) 6.5 kg Dimensions 19-inch rack width, depth standardized for DCS cabinet integration Operating Temp 0 to 50 degC Power Consumption 100–120 VAC, 50/60 Hz Foundation Fieldbus & 4-20 mA Loop Considerations The ACG10S-F2121 supports deterministic V net packet scheduling for process control loops requiring fixed latency. When interfacing with 4-20 mA HART field instruments via connected FCS nodes, channel-to-channel isolation must be maintained at the I/O subsystem level to prevent ground loop interference. Cold junction compensation is executed within downstream analog input modules rather than the gateway itself. Profibus PA and Foundation Fieldbus segments require independent linking devices; the ACG10S does not perform protocol conversion beyond Ethernet encapsulation. Frequently Asked Questions Q: Does the ACG10S-F2121 support hot-swapping while the V net remains active? A: No. The unit must be powered down prior to removal or insertion to prevent V net token ring disruption. Q: What is the redundancy switchover behavior during a primary V net failure? A: The secondary 10BASE-5 interface assumes control without session reset; Ethernet-side TCP sessions may experience transient packet loss. Q: Is firmware backward compatibility guaranteed with earlier CENTUM CS versions? A: Compatibility depends strictly on LGW12 license revision matching the installed CENTUM VP version; mismatched firmware prevents network initialization. Field Installation Guidelines Install the ACG10S-F2121 only in grounded 19-inch cabinets with vertical clearance allowing coaxial bend radius greater than 50 mm. Terminate 10BASE-5 AUI cables using factory-specified N-type connectors torqued to manufacturer specification. Maintain separation of V net coaxial runs from 100–120 VAC power wiring by a minimum of 150 mm to reduce EMI coupling. Ensure rack grounding conductors are bonded to the facility ground grid with impedance below 1 ohm. Verify power supply phase alignment before energizing redundant AC feeds.
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Yokogawa Yokogawa ACM11-S2 Serial Communication Module
Yokogawa ACM11-S2 Serial Communication Module Configured for RS-232C serial interfacing in Yokogawa Distributed Control Systems (DCS) and Field Control Units (FCUs), the Yokogawa ACM11-S2 (ACM11 Serial Communication Module) provides direct electrical execution of point-to-point data exchange with intelligent field devices. Hardware Specifications Parameter Specification Model Number ACM11-S2 Brand Yokogawa Origin Japan Weight 1.90 lbs (0.86 kg) Dimensions Standard rack slot width Operating Temp -20 degC to +70 degC Power Consumption < 1 W Communication Protocol RS-232C Data Rate Up to 230 Kbps Mounting DIN rail / Rack Slot Channel-to-Channel Isolation and Loop Integrity The module employs channel-to-channel isolation to suppress transient noise coupling across the backplane bus. It supports 4-20 mA HART loop protocol translation when interfacing with legacy analog devices via external converters. Cold junction compensation logic is managed by the host FCU to ensure accurate thermocouple data alignment when the module is paired with temperature input assemblies. Frequently Asked Questions Q: Does the ACM11-S2 support hot-swapping while the rack is powered? A: No. Remove system power before inserting or removing the module to prevent backplane arcing and data corruption. Q: What is the maximum cable length supported for RS-232C at 230 Kbps? A: Maximum recommended cable length is 15 meters (49 feet) to maintain signal integrity at maximum data rates. Q: Is firmware flashing required for S2 hardware compatibility? A: Firmware must match the host FCU version. Incompatible firmware loads will result in a watchdog fault on module initialization. Field Installation Guidelines Mount the module onto a standard 35 mm DIN rail or secure it into the designated Yokogawa base plate slot. Ensure the retaining clips are fully engaged. Terminate RS-232C conductors using shielded twisted-pair cabling. Ground the shield drain wire to the rack ground bus bar at one end only to prevent ground loops. Verify torque specifications on terminal screws do not exceed 0.5 N·m.
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