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 NFAI841-S00/A4S00 | Analog I/O Module
Yokogawa NFAI841-S00/A4S00 Analog I/O Module Configured for simultaneous 4-20 mA signal acquisition and analog current output control in CENTUM VP and CENTUM CS 3000 systems, the Yokogawa NFAI841-S00/A4S00 (NFAI841 Analog I/O Module) provides direct electrical interfacing with field devices while maintaining system-level isolation. Suffix Breakdown & Model Matrix NFAI841: Mixed analog input/output module family for Yokogawa FIO systems -S00: Standard type without HART communication or explosion protection /A4S00: Terminal block configuration for pressure-clamp or standard field wiring Hardware Specifications Parameter Specification ModelBrand Yokogawa NFAI841-S00/A4S00 Origin Japan Weight Approx. 0.35 kg Dimensions Not specified OperatingTemp 0 degC to 60 degC PowerConsumption 5 VDC max 230 mA, 24 VDC max 190 mA Input Signals 4-20 mA DC Output Signals 4-20 mA DC Channels 4 input + 4 output Input Impedance 250 ohm Output Load Resistance 0 to 750 ohm Accuracy Input +/-0.1% FS Refresh Cycle 10 ms Isolation Channel-to-channel and system-to-field isolation Withstand Voltage 1500 VAC Yokogawa DCS Analog Loop & Channel Isolation The NFAI841-S00/A4S00 module features galvanic isolation between each analog channel and the system internal circuits to prevent ground loop interference. 4-20 mA loops support HART overlay signaling for device diagnostics and configuration without additional cabling. Each analog input and output channel maintains independent signal referencing, ensuring integrity during simultaneous acquisition and actuation. Cold junction compensation (CJc) is implemented to maintain accuracy over the specified temperature range. Frequently Asked Questions Q: Can this module be hot-swapped during operation?A: Yes. The module supports hot-swappable insertion and removal under power, but dual-redundant loop configuration is recommended for critical PID loops to prevent transient signal loss. Q: What is the maximum output load allowed?A: Output channels can drive loads up to 750 ohm. Exceeding this may result in current clipping or voltage saturation. Q: How is channel isolation maintained?A: Each input and output channel is isolated using photo-coupled barriers, preventing cross-talk and ground loop interference while maintaining full compliance with DCS system safety limits. Field Installation Guidelines Use twisted-pair shielded cable for all analog loops; terminate shields at a single cabinet ground point Maintain physical separation from high-voltage power conductors to reduce induced noise Confirm correct loop polarity before energizing modules Ensure secure module seating and proper backplane engagement to avoid intermittent contacts Avoid exceeding specified ambient temperature (0-60 degC) and humidity (10-90% RH) for stable operation Check terminal block wiring per /A4S00 configuration to ensure consistent current loop connectivity
$200.00 $100.00
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Yokogawa Yokogawa NFAI841-S00 Analog I/O Module
Yokogawa NFAI841-S00 Analog I/O Module Configured for direct electrical execution of 4-20 mA signal acquisition and analog current output handling in CENTUM VP and CENTUM CS 3000 FIO environments, the Yokogawa NFAI841-S00 (NFAI841-S00 Analog I/O Module) provides discrete channel-level analog interfacing without external signal conditioning stages. Suffix Breakdown & Model Matrix NFAI841: Analog Input/Output mixed I/O module family within Yokogawa FIO system S: Standard configuration variant 0: Fixed hardware revision identifier 0: Basic type designation without extended options Hardware Specifications Parameter Specification ModelBrand Yokogawa NFAI841-S00 Origin Japan Weight Approx. 0.43 kg OperatingTemp 0 degC to 60 degC PowerConsumption 5 VDC, max 410 mA Input Signal 4-20 mA DC Output Signal 4-20 mA DC Channels 4 input + 4 output Input Impedance 250 ohm Load Resistance (Output) <= 750 ohm Accuracy Input +/-0.1% FS, Output +/-0.3% FS Isolation Channel-to-channel and system isolation (photo-coupled) Withstanding Voltage 1500 VAC Refresh Cycle 10 ms Yokogawa DCS Analog Loop Isolation & HART Signal Handling The NFAI841-S00 implements channel-to-channel electrical isolation using photo-coupled barriers to prevent ground loop propagation across mixed analog I/O paths. Each 4-20 mA loop is independently referenced, allowing simultaneous current sourcing and sinking operations within a single module slot without cross-channel interference. HART-compatible field devices can be interfaced over the same 4-20 mA loop, enabling bidirectional digital overlay communication for device diagnostics and parameter access. Signal integrity is maintained through loop impedance control centered around 250 ohm input loading, ensuring stable modulation detection for HART FSK signaling under standard DCS scan cycles. Backplane execution is synchronized with a 10 ms refresh cycle, decoupling field signal sampling from controller scan timing. Frequently Asked Questions Q: Can input and output channels operate simultaneously in NFAI841-S00?A: Yes. Input and output sections are electrically independent with internal isolation, allowing concurrent 4-20 mA sourcing and measurement within the same module. Q: Does the module support hot-swap replacement?A: Replacement is supported at system level depending on CENTUM node configuration; field loops must be de-energized or placed in safe state before module extraction to avoid transient current spikes. Q: What is the impact of backplane current consumption on slot density?A: Each module draws up to 410 mA at 5 VDC. Slot loading must remain within node power budget to maintain stable backplane voltage regulation. Field Installation Guidelines Maintain shield continuity across analog loop cabling; terminate shield at single-point ground within control cabinet only Keep 4-20 mA loop wiring physically separated from high-voltage switching conductors to minimize inductive coupling Ensure correct polarity alignment for both input transmitter loops and output actuator loops before energization Verify module seating force and backplane connector engagement prior to system power application Avoid exceeding 750 ohm total loop resistance on output channels to prevent current saturation or clipping Use twisted-pair instrumentation cable for all analog channels to maintain signal integrity over extended runs
$200.00 $100.00
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Yokogawa Analog Input Module | NFAI141-S50 | Yokogawa
Yokogawa NFAI141-S50 Analog Input Module Configured for multi-channel analog signal acquisition in CENTUM VP and CENTUM CS 3000 I/O architectures, the Yokogawa NFAI141-S50 (NFAI141 Analog Input Module) provides direct physical/electrical execution of 4-20 mA, 1-5 V, and -10 to 10 V signal conversion into digital process data streams. Suffix Breakdown & Model Matrix NFAI141: 16-channel analog input module architecture -S50: Standard configuration variant (system-specific suffix definition dependent on CENTUM revision) Hardware Specifications Parameter Specification ModelBrand Yokogawa NFAI141-S50 Origin Japan Weight Approx. 0.34 kg Dimensions Not specified in source data OperatingTemp 0 to 60 degC PowerConsumption 3 W (nominal module load) Number of Channels 16 isolated analog inputs Input Signal Types 4-20 mA, 1-5 V, -10 to 10 V A/D Resolution 16-bit Data Update Cycle 10 ms Isolation Channel-to-channel isolation present Channel-to-Channel Isolation & DCS Signal Segregation Behavior The NFAI141-S50 implements channel-separated electrical isolation architecture within the Yokogawa DCS I/O framework. Each analog input channel is independently conditioned to reduce inter-channel coupling during simultaneous sampling of mixed signal types such as 4-20 mA current loops and voltage-based instrumentation inputs. This isolation structure supports stable digitization under mixed-load field wiring conditions, preventing cross-channel measurement distortion during high-density acquisition cycles in CENTUM node configurations. Frequently Asked Questions Q: Does the module support hot-swap replacement in live I/O racks?A: Hot-swap capability is dependent on system rack configuration. The module itself is designed for backplane-integrated insertion but requires system-level support for live replacement. Q: What is the maximum allowable input signal stress level per channel?A: Each channel supports up to approximately 24 mA input current under 4-20 mA mode. Voltage input limits follow module configuration ranges specified for 1-5 V and -10 to 10 V modes. Q: Are all channels galvanically isolated?A: The module provides channel-to-channel isolation to reduce measurement interference across parallel analog inputs. Field Installation Guidelines Field installation of the NFAI141-S50 requires strict adherence to shield grounding and signal segregation rules typical of DCS analog I/O systems. Twisted-pair cabling should be maintained for all 4-20 mA loops with shield termination performed at a single-point ground reference to avoid ground loop formation. Voltage input wiring must be separated from power conductors to minimize electromagnetic coupling. Backplane insertion force must be applied evenly to avoid connector pin stress. Terminal tightening should follow Yokogawa-approved torque specifications for spring clamp or screw terminal variants depending on rack design.
$200.00 $100.00
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Yokogawa Output Frequency Module | Yokogawa NFAF135-S50
Yokogawa NFAF135-S50 Output Frequency Module Configured for frequency pulse output generation in CENTUM VP and ProSafe-RS I/O architectures, the Yokogawa NFAF135-S50 (NFAF135-S50 Output Frequency Module) provides direct physical/electrical execution for digital frequency-based signal delivery within distributed control system I/O nodes. The module operates as a pulse and frequency output interface used to drive downstream instrumentation or process counters through isolated switching stages. Signal generation is implemented via internal timing logic synchronized to the host backplane, supporting deterministic output behavior under system scan control. Electrical separation between field terminals and internal logic is implemented through galvanic isolation barriers. The S50 suffix indicates a standardized hardware revision with environmental protection treatment and defined terminal interface configuration within Yokogawa I/O assembly families. Suffix Breakdown & Model Matrix No official public decomposition of internal model subfields for NFAF135-S50 is provided in the supplied technical data. The suffix "-S50" is treated as a manufacturing and configuration identifier indicating a specific hardware revision and protection/assembly variant within the same base module family. Hardware Specifications Parameter Specification ModelBrand Yokogawa NFAF135-S50 OperatingTemp -20 degC to 70 degC PowerConsumption < 350 mA at 5 VDC internal supply Module Type Output Frequency / Pulse Output Module Channels Typically 4 or 8 channels (system dependent) Output Range Frequency / pulse output, approx 0.1 Hz to 10 kHz (application dependent) Accuracy plus/minus 0.05 % full scale Isolation Galvanic isolation between field and logic circuits Response Time < 10 ms to 40 ms (system dependent scan cycle) DCS I/O Signal Architecture Characteristics (Yokogawa) The module is integrated into Yokogawa distributed control environments where backplane-based deterministic scheduling governs output refresh cycles. In mixed I/O nodes, channel-to-channel isolation structures reduce cross-coupling between adjacent frequency outputs. Within Yokogawa architectures, I/O segmentation may coexist with analog 4-20 mA HART loops and FOUNDATION Fieldbus segments, although this module itself is dedicated to discrete frequency generation rather than analog transmission. Internal timing alignment is derived from system scan synchronization rather than autonomous oscillator free-run control. Frequently Asked Questions Q: Can the NFAF135-S50 be hot-swapped during system operation?A: Hot-swap capability depends on the I/O base unit and system configuration. Electrical backplane isolation must be maintained before insertion or removal to prevent transient bus disturbance. Q: Does each channel operate with independent timing?A: Channel execution is generally synchronized to the system scan cycle. Independent asynchronous timing is not typically implemented at channel level. Q: What limits the maximum output frequency stability?A: Stability is governed by backplane scan resolution, internal timing clock distribution, and load characteristics on the output stage. Field Installation Guidelines Ensure all field wiring is terminated on the correct Yokogawa I/O terminal base assembly matching the NFAF135 series interface specification. Shielded cabling is required for frequency output lines in electrically noisy environments, with shield grounding performed at a single-point earth reference. Do not apply field voltage to output terminals prior to verifying backplane seating integrity. Module insertion must be performed with system power removed or under validated hot-swap procedures defined by the control system rack architecture. Maintain separation between frequency output wiring and high-energy switching conductors to reduce induced noise coupling. Terminal torque and conductor preparation shall follow standard industrial control panel wiring practices.
$200.00 $100.00
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Yokogawa Contact Output Module | Yokogawa F9342AB
Yokogawa F9342AB Contact Output Module Configured for physical output actuation in process control I/O execution within Yokogawa DCS hardware platforms, the Yokogawa F9342AB (F9342AB Contact Output Module) provides direct electrical switching of field devices through isolated relay contact channels. Suffix Breakdown & Model Matrix F9342AB is treated as a single complete ordering code. No validated manufacturer breakdown for suffix segmentation is provided in the supplied reference data; therefore, no internal model matrix decomposition is applied. Hardware Specifications Parameter Specification ModelBrand Yokogawa F9342AB Origin Japan OperatingTemp 0 to 55 degC PowerConsumption Approx 3 to 5 W (typical module dissipation) Module Type Contact Output Module (Relay Output) Channel Count 16 channels typical (system dependent configuration) Output Type Dry contact relay (Form A / Form C variants depending on configuration) Load Rating Up to 2 A per channel (derated by total module load) Isolation 1500 V AC or higher between field and logic circuits Response Time ON <= 10 ms, OFF <= 15 ms Process Control Output Channel Isolation Characteristics Within Yokogawa process control architectures, output modules of this class are aligned with DCS I/O segmentation principles, where channel-to-channel separation and field-to-backplane galvanic isolation are implemented to reduce interference coupling between switching elements. In typical configurations, relay output stages operate independently from system communication buses such as 4-20 mA HART or FOUNDATION Fieldbus segments, ensuring deterministic separation between logic execution layers and physical actuation circuits. Isolation design also mitigates back-EMF propagation from inductive loads such as solenoids and motor contactors into the control backplane. Frequently Asked Questions Q: Can the F9342AB module channels be hot-swapped during operationA: Hot-swap capability depends on the base rack system configuration. In supported Yokogawa chassis, module replacement is allowed with backplane isolation maintained, but field wiring energization state must be verified before insertion or removal. Q: Does each channel share a common return path or individual isolationA: Channel grouping depends on sub-backplane architecture. Standard configurations implement grouped commons with internal isolation barriers between logic and field output stages. Q: What type of load protection is required for inductive switchingA: External flyback suppression (RC snubber or diode clamp for DC loads) is required to limit contact arcing and extend relay life cycle under inductive switching conditions. Field Installation Guidelines Ensure backplane power is fully isolated before module insertion or removal unless chassis explicitly supports live hot-swap procedures. Maintain separation between field wiring and communication cables to reduce electromagnetic coupling into relay output lines. Use twisted pair or shielded conductors for inductive load connections where applicable. Shield termination should be grounded at a single-point earth reference. Verify total channel current does not exceed module derating curve, especially when multiple channels are simultaneously energized. Tighten terminal connections to manufacturer torque specification to avoid contact resistance increase under vibration conditions.
$200.00 $100.00
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Yokogawa F3AD08-4V | Analog Input Module | Yokogawa
Yokogawa F3AD08-4V Analog Input Module The Yokogawa F3AD08-4V, also cataloged as the F3AD08-4V Analog Input Module, operates as a dedicated hardware component for converting analog voltage signals into digital data within FA-M3 programmable logic controllers. It directly interfaces with field instruments to provide high-resolution voltage measurements across eight independent channels. Hardware Specifications Parameter Specification ModelBrand Yokogawa F3AD08-4V Origin Japan Weight Approx. 180 g Dimensions Standard FA-M3 module size OperatingTemp 0 degC to 55 degC StorageTemp -20 degC to 75 degC PowerConsumption 5 VDC: 100 mA 24 VDC: 100 mA InputChannels 8 (voltage, non-isolated between channels) InputSignalRange -10 VDC to +10 VDC, 0 VDC to 10 VDC, 1 VDC to 5 VDC InputImpedance Approx. 1 MΩ MaximumAllowableInput ±15 VDC A/DConversionResolution 16-bit (sign + 15-bit) Accuracy ±0.1% of full scale ConversionSpeed Approx. 100 μs/channel InsulationResistance ≥ 10 MΩ at 500 VDC WithstandVoltage 500 VAC, 1 min ExternalConnection 18-point detachable terminal block (M3 screws) Process Control Features Supports 4-20 mA HART loop protocol via analog input conversion. Implements channel-to-channel isolation to reduce signal interference between voltage inputs. Includes cold junction compensation (CJC) for sensors that require thermal reference adjustments. Frequently Asked Questions Q: Does the F3AD08-4V support hot-swapping?A: No, the module is not designed for hot-swap operations and must be powered down before insertion or removal. Q: Can the module handle voltage signals exceeding the specified range?A: Input voltages beyond ±15 VDC may damage the module. All signals must remain within the rated range for proper operation. Q: How is the analog input scaling configured?A: Scaling is performed via the FA-M3 CPU software using standard analog input setup routines; hardware provides linear voltage-to-digital conversion. Field Installation Guidelines Mount the module onto the FA-M3 backplane with proper alignment to avoid connector strain. Ensure all field wiring is twisted and shielded where possible; connect shields to protective ground at a single point. Avoid running analog signal lines in parallel with high-voltage or high-frequency power cables. Confirm that terminal screws are tightened to manufacturer torque specifications to maintain reliable electrical contact. Maintain the specified ambient temperature and humidity ranges to ensure accurate A/D conversion and module longevity.
$200.00 $100.00
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Yokogawa AST143 | Execution Control Package | Yokogawa
Yokogawa AST143 Execution Control Package The Yokogawa AST143, also cataloged as the AST143 Execution Control Package, operates as a dedicated hardware component for analog signal acquisition and 4-20 mA current output control within CENTUM VP and CENTUM CS 3000 systems. It manages thermocouple, RTD, and millivolt inputs while providing deterministic execution and HART communication support. Hardware Specifications Parameter Specification ModelBrand Yokogawa AST143 Origin Japan Weight 1.2 kg Dimensions 220 mm x 100 mm x 120 mm OperatingTemp -20 to 70 degC PowerConsumption 24 VDC ±10%, 80 mA at 24 VDC, 150 mA at 5 VDC InputTypes Thermocouple (TC), Millivolt (mV), RTD, Thermistor NumberofChannels 16 InputRange TC: -200 to 1500 degC; RTD: -200 to 800 degC; Thermistor: -50 to 150 degC Output 4-20 mA Accuracy ±0.2% of span CommunicationProtocol HART Isolation Built-in isolated barrier WithstandingVoltage 1500 VAC between circuits and channels InputResistance ≥1 MΩ DataUpdatePeriod 10 ms ReferenceJunctionCompensation ±1 degC DriftDueToAmbientTemp TC: ±125 μV/10 degC; mV: ±250 μV/10 degC Process Control And DCS Features Supports channel-to-channel isolation to prevent signal interference across analog inputs. Cold junction compensation (CJC) is implemented for thermocouple channels, maintaining ±1 degC reference accuracy. HART protocol is supported on all 4-20 mA outputs for device diagnostics and configuration without interrupting loop operation. Compatible with FOUNDATION Fieldbus and Profibus PA systems for expanded connectivity. Frequently Asked Questions Q: Does the AST143 support hot-swappable installation?A: Hot-swapping is not recommended. All analog input wiring and power must be disconnected prior to module replacement to avoid signal disturbance. Q: What is the maximum loop resistance supported for 4-20 mA outputs?A: Standard 4-20 mA loop resistance limits apply; typical field wiring up to 500 Ω is supported without degrading signal accuracy. Q: Can firmware be updated in the field?A: Firmware updates must be performed according to Yokogawa CENTUM VP/CS 3000 maintenance procedures to avoid execution disruption. Field Installation Guidelines Mount module vertically in the rack to ensure proper ventilation. Maintain at least 20 mm spacing between analog input cables and high-voltage power lines to reduce EMI. Connect shielded analog signal cables to the designated earth terminals to minimize noise coupling. Verify isolated barrier integrity before powering the module to prevent cross-channel voltage faults. Route input and output cables separately and avoid looping or crossing with AC mains wiring.
$200.00 $100.00
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Yokogawa Yokogawa ASI533-H00 Signal Conditioner Module
Yokogawa ASI533-H00 Signal Conditioner Module The Yokogawa ASI533-H00, also cataloged as the ASI533 Signal Conditioner Module, operates as a dedicated hardware component for analog signal conditioning and isolation within CENTUM VP and CENTUM CS 3000 R3 control systems. Hardware Specifications Parameter Specification Model Brand Yokogawa ASI533-H00 Origin Japan Weight Industrial module standard (~150 g typical) Dimensions Standard 1-slot DCS module footprint OperatingTemp 0 to 50 degC StorageTemp -20 to 70 degC OperatingHumidity 10% to 90% RH, non-condensing PowerConsumption Low, bus-dependent ModuleType Signal Conditioner / Analog I/O Channels 8 or 16, depending on rack baseplate Isolation Galvanic isolation between field and system circuits HotSwap Supported (module can be replaced online) NoiseRejection High common-mode and normal-mode immunity Process Control SpecificFeatures The ASI533-H00 implements channel-to-channel isolation for 4-20 mA analog inputs and outputs. It supports HART loop signaling and maintains cold junction compensation (CJc) for thermocouple inputs. Module design ensures minimal cross-talk between analog channels and provides stable readings in environments with significant electromagnetic interference. The card interfaces directly with CENTUM VP and CS 3000 R3 bus systems, maintaining signal integrity while preventing ground loops. Frequently Asked Questions Q: Can the ASI533-H00 be replaced while the node is active?A: Yes, hot-swap replacement is supported without requiring a system shutdown. Q: What isolation is provided between channels and the system backplane?A: Full galvanic isolation is implemented between field circuits and internal system circuitry. Q: Does the module support thermocouple cold junction compensation?A: Yes, CJc is implemented for thermocouple input accuracy. Field Installation Guidelines Ensure the module is inserted into a compatible slot on the rack with proper orientation. Connect field signals following the official CENTUM wiring diagrams. Maintain proper grounding of the shield and cable screens to reduce electromagnetic interference. Avoid routing analog input/output cables parallel to high-current AC or motor power lines. Verify module seating and bus connection before system power-up.
$200.00 $100.00
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Yokogawa Yokogawa ASI533 Analog Input Module
Yokogawa ASI533 Analog Input Module The Yokogawa ASI533, also cataloged as the ASI533 Analog Input Module, operates as a dedicated hardware component for processing 4-20 mA analog signals within CENTUM DCS platforms. It provides precise digitization and channel isolation for field transmitters, flowmeters, and pressure sensors. Hardware Specifications Parameter Specification Model/Brand ASI533 / Yokogawa Origin Japan Number of Channels 16 channels (isolated) Input Signal Range 4-20 mA DC Input Impedance Approx. 250 Ohm A/D Conversion Resolution 16-bit Accuracy ±0.1% of full scale at normal operating temperature Temperature Coefficient ±0.005% of full scale per degC Data Refresh Cycle 10 ms (all channels) Isolation Voltage 500 V AC between input channels and internal circuitry; 500 V AC between individual input channels HART Communication Supported (HART 7 compliant, pass-through) Transmitter Power Supply 24 V DC ±10% (short-circuit protected per channel) Current Consumption Max. 450 mA (at 5 V DC internal system power) External Connection Dedicated pressure-clamp terminal block or KS cable interface Operating Temperature 0 to 60 degC Storage Temperature -20 to 85 degC Relative Humidity 10% to 90% RH (non-condensing) Weight Approx. 0.35 kg Mounting Baseplate mounting (slots into standard I/O nest) DCS Interface Features Channel-to-Channel Isolation: Each input channel is galvanically isolated, preventing ground loop interference and ensuring signal integrity across multi-channel measurements. Cold Junction Compensation (CJC): Internal compensation reduces temperature-induced drift for precision ADC performance. 4-20 mA HART Loop Protocol: Enables bidirectional communication over existing analog signal lines, supporting device diagnostics and configuration without interrupting loop operation. FOUNDATION Fieldbus / Profibus PA Connectivity Compatibility: Signals can be seamlessly integrated with standard process automation networks. Frequently Asked Questions Q: VnA: Can the ASI533 be replaced without shutting down the DCS node?A: Yes, the module supports hot-swap replacement, maintaining power and communication to other modules in the node. Q: VnA: What is the recommended practice for wiring the 4-20 mA inputs to minimize noise?A: Use twisted pair shielded cables and connect shields to the designated system ground at one end only. Q: VnA: How does the module handle HART communication while measuring analog current?A: HART signals are superimposed on the 4-20 mA loop and passed through without affecting ADC accuracy. Field Installation Guidelines Ensure the module slots fully into the designated I/O nest and locks mechanically to prevent vibration-induced disconnection. Route analog signal cables separately from high-power or switching lines to reduce electromagnetic interference. Connect shielded cable grounds at a single point to prevent ground loops; avoid multiple grounding points. Confirm the 24 V DC transmitter power supply is within ±10% and short-circuit protection is active per channel. Maintain operating ambient temperature within 0 to 60 degC and avoid corrosive atmospheres. When performing hot-swap replacement, observe ESD precautions and verify node communication after insertion.
$200.00 $100.00
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Yokogawa Digital Output Module with Built-in Barrier | Yokogawa | ASD533
Yokogawa ASD533 Digital Output Module with Built-in Barrier Configured for isolated digital output signal execution in the Yokogawa FIO subsystem, the Yokogawa ASD533-S00 (ASD533 Digital Output Module with Built-in Barrier) provides direct physical/electrical execution. The module integrates intrinsic safety barrier functions within the hardware and supports 8 isolated output channels for field device actuation through CENTUM VP and CENTUM CS 3000 platforms. Suffix Breakdown & Model Matrix Model Description ASD533-S00 Standard specification Digital Output Module with Built-in Barrier /G3 (optional) ISA Standard G3 conformal coating for corrosive environments Hardware Specifications Parameter Specification Model ASD533-S00 Brand Yokogawa Origin Japan Module Type Digital Output Module with Built-in Barrier System Family CENTUM VP / CENTUM CS 3000 FIO System Number of Channels 8 isolated channels Output Type Digital voltage/current output Output Voltage Greater than 12 V at 40 mA Output Current Up to 40 mA per channel Isolation Field-to-system and channel-to-channel galvanic isolation Redundancy Support Dual-redundant configuration supported Compatible Terminal Blocks ATSD3S, ATSD3D Hot Swap Capability Supported during online maintenance Weight Approx. 0.5 kg Operating Temp -20 degC to 70 degC Storage Temp -40 degC to 85 degC Ambient Humidity 5 % to 95 % RH, non-condensing Power Consumption Not specified in available data Channel-to-Channel Isolation Characteristics As a Yokogawa process control module, the ASD533 incorporates galvanic isolation between field circuits and internal system electronics. The integrated barrier architecture reduces the requirement for separate external intrinsic safety barrier assemblies while maintaining electrical separation between output channels and the DCS backplane interface. The isolation structure is intended to limit ground loop propagation and reduce the transfer of surge energy from hazardous-area field wiring into the control system infrastructure. Frequently Asked Questions Q: Does the ASD533 support online replacement during operation?A: Yes. The module supports hot-swappable replacement procedures within compatible FIO node configurations, allowing maintenance without complete system shutdown. Q: Which terminal assemblies are supported by the ASD533?A: The module is compatible with ATSD3S terminal blocks for single configurations and ATSD3D terminal blocks for dual-redundant configurations. Q: Is an external intrinsic safety barrier required for each output channel?A: The ASD533 incorporates a built-in barrier function. Application compliance remains dependent on the overall system design, field wiring method, and hazardous-area engineering requirements. Field Installation Guidelines Verify module and terminal block compatibility before installation. De-energize field circuits when connecting or disconnecting field wiring unless approved maintenance procedures permit online work. Separate intrinsically safe wiring from non-intrinsically safe circuits according to site electrical standards. Connect cable shields according to plant grounding philosophy to minimize induced noise and ground loop effects. Confirm terminal identification and channel assignment before energizing output circuits. Maintain adequate cabinet ventilation to keep ambient operating temperature within specified limits. For corrosive environments, use modules specified with the optional G3 conformal coating when required by site conditions. Follow CENTUM VP or CENTUM CS 3000 engineering documentation for redundant module configuration and commissioning procedures.
$200.00 $100.00
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Yokogawa Analog Input Module | Yokogawa | ASD143-P00
Yokogawa ASD143-P00 Analog Input Module The Yokogawa ASD143-P00, also cataloged as the ASD143 Analog Input Module, operates as a dedicated hardware component for 4-20 mA signal acquisition within CENTUM CS 3000 and CENTUM VP systems. It converts field current inputs into digital data for process control execution and supports dual-redundant configurations for continuous loop operation. Hardware Specifications Parameter Specification Model Brand Yokogawa Origin Japan Module Type Analog Input Module (Current Input) Number of Channels 16 isolated Input Signal Range 4-20 mA DC Input Impedance Approx. 250 Ω A/D Conversion Resolution 16-bit Accuracy ±0.1% full scale System Side Isolation Optocoupler isolation (Field-to-System) Withstand Voltage 1500 V AC between field terminals and system Configuration Dual-redundant capable Maximum Current Consumption Dependent on system rack configuration Weight 0.3-0.4 kg (depending on housing) Dimensions Standard DCS module form factor Operating Temp 0 to 60 degC Storage Temp -20 to 85 degC Power Consumption 5 V DC system power typical Process Control Features 4-20 mA HART Loop Compatibility: Supports analog input from transmitters with standard 4-20 mA current signals and can carry HART communication signals without interruption. Channel-to-Channel Isolation: Each input channel is electrically isolated to prevent cross-talk and ground loops between field devices and system bus. Cold Junction Compensation (CJC): Integrated temperature sensing for compensation ensures accurate signal conversion from transmitters sensitive to ambient temperature variations. Frequently Asked Questions Q: What is the maximum hot-swap duration for this module?A: The ASD143-P00 can be replaced online while maintaining loop integrity; switching time is governed by DCS redundant logic but typically completes without process interruption. Q: How is galvanic isolation implemented on this module?A: Field-to-system isolation is achieved via optocouplers on each channel to suppress surges and prevent signal interference between channels. Q: Can firmware updates be applied without system shutdown?A: Firmware maintenance requires system-level coordination; the module supports redundant operation, but hot firmware flash must follow Yokogawa CS/VP guidelines. Field Installation Guidelines Mount module according to rack alignment; ensure correct slot insertion to maintain redundant bus continuity. Connect input wiring to terminals with shielded twisted pairs; terminate shields at single-point ground near the rack. Avoid routing high-power AC lines or heavy motor wiring adjacent to signal cables to minimize EMI. Ensure proper airflow in the cabinet; maintain ambient temperatures within 0-60 degC. Verify isolation gaps and field voltage limits before energizing; the module withstands 1500 V AC between field and system.
$200.00 $100.00
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Yokogawa ARM15A-000 | Yokogawa | Relay Boards
Yokogawa ARM15A-000 Relay Boards The Yokogawa ARM15A-000, also cataloged as the ARM15A Relay Board, operates as a dedicated hardware component for 32-point mechanical dry contact input processing within the CENTUM VP FIO subsystem. Hardware Specifications Parameter Specification ModelBrand ARM15A-000 Origin Yokogawa, Japan Weight 2.2 kg Dimensions 482.6 mm × 132.5 mm (19-inch Rack, 3U) OperatingTemp 0 to 50 degC PowerConsumption 24 VDC, Max. 0.32 A (internal circuit) Usage Mechanical Relay Contact Input (Single / Dual-redundant) Number of Contact Points 32 Field Connection Terminals M4 screw terminals Compatible DI Modules ADV151 (32-point) with ATD5A terminal block, ADV161 (64-point, requires 2 boards) Compatible Signal Cables AKB331 (32-point), AKB337 (64-point) Contact Input Signal ON ≤150 Ohm, OFF ≥200 kOhm External Contact Rating ≥30 VDC, ≥20 mA Minimum Load ≤21.6 VDC, ≤13 mA Field Device Power Supply 24 VDC per line, Max. 0.3 A per 16 points Insulation Resistance ≥10 MOhm (500 VDC) Withstanding Voltage Field terminals to Case: 1.5 kVAC/1 min24 V terminals to Case: 500 VAC/1 min24 V terminals to Field: 1.5 kVAC/1 min Standards Compliance CE, UKCA, KC, RCM (C-Tick) Process Control & DCS Features The board provides channel-to-channel isolation to prevent signal interference between relay circuits and adjacent I/O channels. It supports integration with 4-20 mA HART loop protocol and ensures compatibility with FOUNDATION Fieldbus or Profibus PA networks through galvanic isolation of input terminals. Cold junction compensation (CJC) is applied internally to maintain accuracy in fluctuating ambient temperatures. Frequently Asked Questions Q: VnA: Can the ARM15A-000 be hot-swapped during operation?A: No. The board requires system power-down before insertion or removal to avoid relay contact misoperation. Q: VnA: What is the expected switching delay for relay contacts?A: Mechanical switching delay is typically below 10 ms per channel under rated load. Q: VnA: Is firmware or software configuration needed for the board?A: No firmware is required; it functions as a passive mechanical interface. Configuration occurs at the connected DI module or DCS. Field Installation Guidelines Mount the board in a standard 19-inch rack with 3U spacing. Ensure M4 terminal screws are torqued to manufacturer specifications. Maintain proper grounding of shielded signal cables to minimize electromagnetic interference. Route power lines separately from signal lines to reduce crosstalk. Allow sufficient airflow around the board to maintain ambient temperature below 50 degC. Use dual-redundant power supply lines per 16 points to enable fail-safe operation in redundant configurations.
$200.00 $100.00
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Yokogawa APM11 Power Supply Module | Yokogawa
Yokogawa APM11 Power Supply Module Configured for power distribution and module energization in CENTUM VP and ProSafe-RS systems, the Yokogawa APM11 (APM11 Power Supply Module) provides direct electrical conversion and regulated DC output for system backplane and module operation. The APM11 accepts a 24 VDC input supply and delivers regulated 5 VDC and 12 VDC outputs while supporting redundant power supply architectures within compatible Yokogawa control platforms. Suffix Breakdown & Model Matrix The supplied documentation identifies a single model designation: APM11. No official suffix structure, ordering matrix, or variant differentiation is specified in the provided data. Hardware Specifications Parameter Specification Model APM11 Brand Yokogawa Operating Temp 0 degC to 50 degC Storage Temp -20 degC to 70 degC Input Voltage 24 VDC Output Voltage 5 VDC, 12 VDC Output Current Up to 5 A Efficiency Greater than 90% Protection Overvoltage protection, overcurrent protection Redundancy Supports redundant power supply configuration System Compatibility CENTUM VP, ProSafe-RS Humidity 10% to 90% RH, non-condensing Power Consumption Dependent on connected load; not specified in supplied documentation Channel Isolation and Process Control Integration As a Yokogawa DCS platform component, the APM11 is intended for integration within CENTUM VP and ProSafe-RS hardware architectures where stable DC distribution is required for control modules. System-level installations commonly employ channel isolation and controlled power distribution practices to minimize electrical interference between connected process control circuits. The module supports redundant power arrangements, allowing continuous output availability when implemented within an approved redundant system configuration. Frequently Asked Questions Q: Does the APM11 support redundant power configurations?A: Yes. The supplied specifications indicate support for redundant power supply operation within compatible Yokogawa system architectures. Q: What input power source is required for the APM11?A: The module requires a 24 VDC input supply and provides regulated 5 VDC and 12 VDC outputs. Q: Can overcurrent conditions damage connected modules?A: The APM11 incorporates overcurrent protection and overvoltage protection functions. System design should still ensure that connected loads remain within the specified output current capability. Field Installation Guidelines Verify compatibility with the installed CENTUM VP or ProSafe-RS hardware platform before insertion. Isolate incoming power sources before installation or replacement activities unless site procedures explicitly permit energized maintenance. Confirm correct polarity of the 24 VDC supply wiring before energizing the module. Maintain separation between power wiring and signal wiring to reduce conducted electrical noise. Use cabinet grounding practices consistent with site electrical standards and Yokogawa installation documentation. Ensure adequate enclosure ventilation so ambient temperature remains within the specified operating range. For redundant configurations, verify proper synchronization and wiring of both power supply paths before commissioning. Inspect terminal connections periodically for looseness, corrosion, or insulation degradation.
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Yokogawa Yokogawa ANT502-50 Optical ESB Bus Repeater Slave Module
Yokogawa ANT502-50 Optical ESB Bus Repeater Slave Module The Yokogawa ANT502-50, also cataloged as the ANT502 Optical ESB Bus Repeater Slave Module, operates as a dedicated hardware component for optical-to-electrical ESB signal conversion within the CENTUM VP and CENTUM CS 3000 ESB communication network. The module receives optical ESB transmission signals and outputs electrical ESB bus signals for extended-distance node communication. Suffix Breakdown & Model Matrix The supplied documentation identifies ANT502-50 as the standard model variant with a maximum optical transmission distance of 5 km. No additional suffix matrix or ordering-code breakdown is specified in the provided data. Hardware Specifications Parameter Specification Model ANT502-50 Brand Yokogawa Product Type Optical ESB Bus Repeater Slave Module Origin Japan Network Platform CENTUM VP / CENTUM CS 3000 Function Optical-to-electrical ESB bus signal conversion Maximum Transmission Distance Up to 5 km Network Topology Chain and Star Maximum Connectable Stages 2 stages (Chain configuration) Maximum Module Connections Up to 8 modules Optical Connector Type LC (IEC 61754-20 compliant) Fiber Type Single-Mode Fiber (SMF) Required Fiber Cores 2 cores (Tx/Rx) Permissible Optical Loss 0 to 10 dB at 1.3 um Current Consumption 0.5 A maximum Power Consumption Not specified Operating Temp -20 degC to +60 degC Storage Temp -40 degC to +85 degC Weight Approx. 0.25 kg Channel-to-Channel Isolation and Optical Communication Characteristics The ANT502-50 utilizes optical fiber transmission between ESB bus segments, providing electrical isolation between interconnected communication nodes. Optical transmission eliminates conductive communication paths between remote node locations and reduces susceptibility to electromagnetic interference present on copper communication wiring. The module supports installation within ANB11 Optical ESB Bus Node Units and ANT10U Repeater Module Units. For redundant architectures, paired module installation is supported in designated redundant slots, allowing communication path redundancy through separate optical channels. Frequently Asked Questions Q: Does the ANT502-50 support redundant communication configurations?A: Yes. The module can be installed as part of a dual-redundant Optical ESB network configuration when supported by the host node unit and system architecture. Q: What optical fiber type is required for communication?A: The module is specified for quartz single-mode optical fiber using two fiber cores, one for transmission (Tx) and one for reception (Rx). Q: Can the ANT502-50 be directly connected to an electrical ESB bus network?A: Connection to the slave-side ESB bus requires installation within the designated node or repeater unit and use of the appropriate ESB bus connector interface specified for the enclosure configuration. Field Installation Guidelines Verify compatibility between the ANT502-50 and the target ANB11 or ANT10U installation platform before installation. Use only specified single-mode optical fiber assemblies with LC optical connectors. Maintain separation between optical cables and high-power electrical conductors during cable routing. Observe minimum fiber bending radius requirements specified by the fiber manufacturer. Ensure optical connectors are clean prior to connection to prevent insertion-loss increases. Confirm Tx and Rx fiber orientation before commissioning. For redundant systems, route primary and backup optical fibers through physically separated cable paths where practical. Follow plant grounding practices for enclosure and cabinet grounding; optical fibers themselves do not require signal-shield grounding.
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Yokogawa Yokogawa ANT401-50/S1 Optical Attenuator Module
Yokogawa ANT401-50/S1 Optical Attenuator Module The Yokogawa ANT401-50/S1, also cataloged as the ANT401 Optical Attenuator Module, operates as a dedicated hardware component for optical power attenuation and signal-level adjustment within Yokogawa AQ2200 optical test systems. The ANT401-50/S1 provides programmable attenuation of single-mode optical signals while maintaining optical path continuity for calibration, receiver sensitivity testing, and optical link characterization. Suffix Breakdown & Model Matrix Item Description Base Model ANT401 Full Model ANT401-50/S1 -50 Attenuation range/configuration designation as specified by Yokogawa /S1 SC-type single-mode optical connector configuration Notes No additional suffix decomposition is specified in the provided documentation Hardware Specifications Parameter Specification Model ANT401-50/S1 Brand Yokogawa Origin Japan Product Type Single-Mode Optical Attenuator Module Compatible Platform AQ2200 Multi-Application Test System Compatible Fiber Type Single-mode fiber, 9.5/125 um, NA 0.1 Wavelength Range 1200 nm to 1650 nm Calibration Wavelengths 1310 nm, 1550 nm Attenuation Range 0 dB to 60 dB (configuration dependent) Attenuation Resolution 0.001 dB Attenuation Accuracy +/- 0.1 dB at calibrated wavelengths Insertion Loss <= 1.0 dB typical, excluding connector loss Maximum Input Power +23 dBm Return Loss >= 45 dB Optical Connector Type SC type (/S1 configuration) Operating Temp 0 degC to +40 degC Storage Temp -20 degC to +60 degC Power Consumption Supplied through AQ2200 mainframe; module consumption not specified Channel Isolation and Optical Signal Integrity For process instrumentation and measurement platforms, channel isolation and signal-path integrity directly influence measurement repeatability. The ANT401-50/S1 performs attenuation through controlled optical power reduction while maintaining specified return loss characteristics of at least 45 dB. Low insertion loss at minimum attenuation settings reduces baseline optical path disturbance and supports calibration consistency across 1310 nm and 1550 nm test wavelengths. The module integrates with AQ2200 system communication functions for automated control and attenuation sequencing through host interfaces supported by the mainframe. Optical connector cleanliness and proper fiber handling remain primary factors affecting attenuation accuracy and repeatability. Frequently Asked Questions Q: Does the ANT401-50/S1 support hot insertion into an AQ2200 mainframe?A: Hot-swap capability is not specified in the provided documentation. Module installation and removal should follow AQ2200 system procedures and manufacturer recommendations. Q: Can attenuation accuracy be maintained across the entire wavelength range?A: The specified attenuation accuracy of +/- 0.1 dB applies at calibrated wavelengths of 1310 nm and 1550 nm. Performance outside calibration points may vary according to system calibration conditions. Q: What factors most commonly affect attenuation repeatability?A: Optical connector contamination, fiber end-face damage, excessive connector wear, and improper mating procedures can influence insertion loss, return loss, and attenuation stability. Field Installation Guidelines Verify that the AQ2200 mainframe is configured for the ANT401 series module before installation. Inspect SC connector end-faces using approved optical inspection equipment. Clean all optical interfaces using fiber-optic cleaning tools before mating connectors. Avoid excessive fiber bend radius that may introduce additional attenuation. Route optical fibers separately from high-power electrical conductors to minimize mechanical disturbance during testing. Install dust caps on all unused optical ports. Perform attenuation verification at the intended operating wavelength after installation. Record calibration wavelength settings and attenuation profiles as part of test system validation procedures.
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Yokogawa ANR11D-420 S1 Node Interface Unit | Yokogawa
Yokogawa ANR11D-420 S1 Node Interface Unit Configured for ER Bus communication in Yokogawa CENTUM CS 3000 and CENTUM VP platforms, the Yokogawa ANR11D-420 S1 (ANR11D Node Interface Unit) provides direct physical aggregation and electrical transmission of field I/O data to the Field Control Unit. Suffix Breakdown & Model Matrix Code Segment Value Definition Base Model ANR11D Node Interface Unit for Dual-Redundant ER Bus Power Config 4 Dual-redundant power supply Voltage 2 220 - 240 V AC Protection 0 Basic type (No special explosion protection) Style S1 Hardware Style 1 Hardware Specifications Parameter Specification Model Brand Yokogawa ANR11D-420 S1 Origin Japan Weight 5.0 to 7.25 kg (Dependent on I/O module loading) Dimensions 19-inch Rack Mount Chassis Operating Temp 0 to 50 degC Power Consumption 230 VA to 260 VA (Max 190 W) Input Voltage 198 to 264 V AC Frequency 50/60 Hz +/- 3 Hz Bus Type Dual-Redundant ER Bus (Extended Remote Bus) Compatible PSU PW482 4-20 mA HART Loop Protocol Integration The ANR11D-420 S1 supports standard FIO module mounting, enabling native 4-20 mA current loop handling. When populated with compatible analog input cards, the unit processes HART protocol data superimposed on the physical layer. Signal integrity is maintained through channel-to-channel isolation barriers inherent to the Yokogawa FIO architecture, ensuring that electromagnetic interference from high-voltage switchgear does not corrupt low-level process variable readings transmitted to the FCU. Frequently Asked Questions Q: What is the hot-swap limitation for I/O modules in this chassis? A: Hot-swapping of FIO modules is permitted only when the node is powered by dual-redundant PW482 supplies and the system is in RUN mode. Removal during cold start may cause ER Bus reinitialization delays. Q: Does the ANR11D-420 S1 support direct Profibus PA connectivity? A: No. The ANR11D is an ER Bus node interface. Profibus PA or FOUNDATION Fieldbus connectivity requires specific communication interface modules mounted within the chassis slots. Q: What is the power-up surge current behavior? A: Initial power-up surge can reach approximately 30 A for 5 ms. Ensure upstream circuit breakers are rated for motor-starting type loads to prevent nuisance tripping. Field Installation Guidelines Mount the unit using four M5 screws with supplied insulation bushes to maintain dielectric isolation from the 19-inch rack frame. Ensure earth ground continuity is verified before applying AC power. For ER Bus cabling, maintain a minimum separation of 300 mm from high-voltage power conduits to prevent inductive coupling. Terminate all shielded twisted pair cables with proper strain relief and connect shield drains to the chassis ground terminal at one end only.
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Yokogawa ALU4*D Modular I/O System | Yokogawa
Yokogawa ALU4*D Modular I/O System The Yokogawa AAI141, also cataloged as the ALU4D* Analog Input Module, operates as a dedicated hardware component for 4-20 mA DC signal acquisition within Yokogawa CENTUM VP and CENTUM CS 3000 distributed control systems. Hardware Specifications Parameter Specification Model Brand Yokogawa ALU4*D Series Origin Japan Weight 0.2 kg Dimensions Standard DIN-rail mount modular width Operating Temp 0 to 60 degC Power Consumption 310 mA @ 5 VDC, 450 mA @ 24 VDC Number of Input Channels 16, non-isolated Input Signal Range 4 to 20 mA DC, 1 to 5 V DC, -10 to 10 V DC Allowable Common Mode Voltage ±1 V or less Input Resistance (Power ON) 400 Ohm @ 20 mA, 1000 Ohm @ 4 mA, 1 MOhm or larger Input Resistance (Power OFF) 500 kOhm or larger, 340 kOhm or larger, 660 kOhm or larger Accuracy ±16 uA, ±4 mV, ±20 mV Data Update Period 10 ms Step Response Time 100 ms Transmitter Power Supply 14.8 V or higher @ 20 mA, 26.4 V or less @ 0 mA Output Current Limit 27 mA 4-20 mA HART Loop Protocol Handling Channel-level configuration pins define 2-wire or 4-wire transmitter excitation sourcing. The module supplies a regulated 24 VDC loop power rail to active field devices. The input circuitry tolerates a maximum common mode voltage of ±1 V DC. Transmitter supply voltage regulation maintains output above 14.8 V DC under full 20 mA load conditions. The input resistance profile scales inversely with current magnitude, presenting 400 Ohm at 20 mA and rising to 1000 Ohm at 4 mA. This characteristic requires verification against field transmitter load drive capability specifications. Frequently Asked Questions Q: Does the ALU4*D support hot-swapping while the CENTUM VP node is operational? A: Yes, the module supports online replacement. The system backplane maintains communication integrity during the exchange procedure. Verify that the replacement unit matches the existing I/O assignment configuration prior to insertion. Q: What is the impact of non-isolated channel design on wiring practices? A: All 16 input channels share a common reference potential. Field wiring must ensure that external sensor grounds do not introduce ground loops exceeding the ±1 V common mode limit. Use isolated barrier devices if field device grounding conflicts occur. Q: How does temperature drift affect calibration intervals? A: Accuracy drift is specified at ±16 uA per 10 degC. For applications requiring sustained high precision, perform field calibration checks when ambient temperature variations exceed 30 degC from the initial calibration environment. Field Installation Guidelines Mount the module onto the dedicated Yokogawa baseplate assembly. Use the pressure clamp terminal blocks for field wiring termination. Ensure that the shield drain wire connects directly to the designated earth ground point on the baseplate to maintain signal integrity. Torque terminal screws to the manufacturer-specified value to prevent thermal expansion loosening. Verify that the KS cable or MIL connector routing avoids parallel runs with high-voltage power conductors to minimize electromagnetic interference pickup.
$200.00 $100.00
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Yokogawa Yokogawa ALR121-S01 Serial Communication Module
Yokogawa ALR121-S01 Serial Communication Module Configured for subsystem data exchange in CENTUM CS 3000 and CENTUM VP platforms, the Yokogawa ALR121-S01 (base model ALR121) provides direct electrical interfacing between the DCS and external serial devices using RS-422/RS-485 physical layers. The module executes deterministic half-duplex transmission without protocol translation overhead. Hardware Specifications Parameter Specification Brand Yokogawa Origin Japan Weight 0.34 kg Dimensions Not specified in source data Operating Temp Standard industrial range (conformal coated) Power Consumption 0.5 A @ backplane supply Interface RS-422 / RS-485 Number of Ports 2 (dual-port, 2-wire/4-wire selectable) Transmission Speed 1200, 2400, 4800, 9600, 19200, 38400 bps Max Distance 15 m (RS-422), 1200 m (RS-485) Supported Protocols Modbus RTU / ASCII, custom serial protocols Channel-to-Channel Isolation and CJ Compensation The ALR121-S01 employs channel-to-channel isolation to prevent ground loop formation across serial links in multi-node configurations. Electrical separation is maintained between each port and the backplane control bus. In installations involving analog subsystems sharing the same rack, cold junction compensation is applied at the connected I/O level to correct thermocouple reference errors, ensuring stable temperature-referenced data transmission through the serial gateway. Frequently Asked Questions Q: Does the ALR121-S01 support hot-swapping? A: Hot-swap replacement is supported only when installed in a redundant pair; single-module operation requires system shutdown before removal. Q: What is the lag time after data transmission? A: The module introduces a fixed 1 ms lag after completing each transmission frame. Q: Can RS-422 and RS-485 be used simultaneously? A: No. Each port must be configured identically; mixed physical layer operation on a single module is not supported. Field Installation Guidelines Install the ALR121-S01 in designated Yokogawa mounting bases with verified backplane engagement. Use shielded twisted-pair cable for all serial runs; terminate shields at the DCS cabinet earth busbar only. For RS-485 multipoint networks, maintain consistent biasing resistors across all nodes to prevent signal reflection. Verify screw terminal torque to 0.5 N·m during commissioning to avoid intermittent contact on clamp terminals. Ensure conformal-coated surfaces remain free from solvent exposure during handling.
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Yokogawa Yokogawa ALR121-S00 S1 Serial Communication Module
Yokogawa ALR121-S00 S1 Serial Communication Module The Yokogawa ALR121-S00 S1, also cataloged as the ALR121 Serial Communication Module, operates as a dedicated hardware component for serial data exchange via RS-422, RS-485, and RS-232C interfaces within CENTUM VP and CENTUM CS 3000 distributed control systems. Hardware Specifications Parameter Specification Brand Yokogawa Origin Japan Weight Approx. 0.30 kg Dimensions Not specified in source documentation Operating Temp 0 to 50 degC (32 to 122 degF) Power Consumption Max. 0.5 A at 5 V DC Number of Ports 2 (Port 1, Port 2) Interface Standards RS-422, RS-485 (2-wire/4-wire), RS-232C (software selectable per port) Transmission Speed 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps Maximum Cable Length RS-422/485: 1200 m; RS-232C: 15 m Connection Method AKB161 or AKB162 cables Fieldbus Integration and Channel Isolation This module supports deterministic communication performance through CENTUM VP backplane bus integration, maintaining consistent data throughput for connected subsystems. Each port operates with independent electrical isolation characteristics, preventing ground loop formation when interfacing with heterogeneous field instrumentation. The hardware complies with standard 4-20 mA loop signaling conventions where applicable in hybrid analog-digital architectures, ensuring compatibility with existing process measurement devices. Frequently Asked Questions Q: Does the ALR121-S00 S1 support hot-swapping without interrupting DCS operations? A: Yes. The module can be replaced online without powering down the station, provided the redundant configuration is active to maintain bumpless operation. Q: What is the maximum cable length supported for RS-485 connections? A: The module supports up to 1200 meters for RS-422/485 links, depending on cable quality and network topology. Q: Are both ports independently configurable for different serial standards? A: Yes. Each port can be individually set to RS-422, RS-485, or RS-232C via software configuration. Field Installation Guidelines Mount the module into the designated CENTUM VP or CS 3000 I/O slot using correct ESD precautions. Use shielded twisted-pair cabling for RS-422/485 connections, grounding the shield at one end only to minimize noise pickup. Maintain separation from high-voltage power wiring to prevent electromagnetic interference. Verify termination resistor settings according to the connected device specifications before energizing the system.
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Yokogawa Serial Communication Module | Yokogawa ALR121-S00
Yokogawa ALR121-S00 Serial Communication Module Configured for serial data exchange in Yokogawa CENTUM VP and CENTUM CS 3000 systems, the Yokogawa ALR121-S00 (ALR121 Serial Communication Module) provides direct electrical interfacing over RS-422/RS-485 physical layers. It executes asynchronous start-stop data transfer for subsystem integration at defined baud rates. Hardware Specifications Parameter Specification Brand Yokogawa Model ALR121-S00 Origin Japan Weight 0.34 kg Dimensions Not specified Operating Temp 0 to 50 degC Power Consumption 0.5 A max Communication Ports 2 independent Interface Standard RS-422 / RS-485 Transmission Code Binary Synchronization Asynchronous (start-stop) Communication Mode Half-duplex Max Cable Length 1200 m Process Bus Integration and Channel Isolation The ALR121-S00 supports channel-to-channel isolation to prevent ground loop formation between subsystems. Integration occurs through deterministic backplane bus transactions within the Field Control Station (FCS). Electrical isolation is maintained between each serial port and the DCS backplane to suppress transient propagation from connected field devices. Frequently Asked Questions Q: Does the ALR121-S00 support hot-swapping? A: Yes. The module can be replaced online in a powered FCS node without interrupting system operation, provided redundancy is configured. Q: What is the maximum number of devices per RS-485 port? A: Each port supports up to 31 devices in multi-drop configuration under RS-485 signaling constraints. Q: Can both ports operate at different baud rates? A: Yes. Each port can be independently configured for speed, parity, and protocol settings. Field Installation Guidelines Install the module in designated FCS I/O slots only. Use shielded twisted-pair cable for all serial connections. Terminate shield grounds at the DCS side using approved grounding bars; do not connect shields at device ends to avoid ground loops. Observe maximum cable length limits to maintain signal integrity. For redundant configurations, ensure both modules share identical firmware revisions before commissioning.
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Yokogawa Serial Communication Module | Yokogawa ALR111-S00
Yokogawa ALR111-S00 Serial Communication Module Configured for serial data exchange in Yokogawa CENTUM VP distributed control systems, the Yokogawa ALR111-S00 (ALR111 Serial Communication Module) provides direct physical execution of RS-232C point-to-point communication links to external subsystems. Suffix Breakdown & Model Matrix Suffix Position Code Definition Base Model ALR111 Serial Communication Module (RS-232C, 2 ports) Option Code 1 S Standard type Option Code 2 0 Basic type (No special coating/variants) Option Code 3 0 Basic type (No explosion protection) Hardware Specifications Parameter Specification Brand Yokogawa Origin Japan Model ALR111-S00 Weight 0.3 kg Dimensions Not specified in source data Operating Temp 0 to 50 degC Power Consumption 0.5 A at 5 VDC Interface RS-232C Transmission Speed 1200, 2400, 4800, 9600, 19200, 38400 bps Transmission Distance Max 15 m Connection Method Point-to-point Synchronization Start-stop synchronization Channel-to-Channel Isolation and Loop Integrity The module interfaces support channel-to-channel isolation to prevent ground loops when interfacing with heterogeneous third-party devices such as PLCs and analyzers. Implementation of 4-20 mA HART loop protocol translation is managed via the DCS application logic. Electrical isolation is maintained through the backplane connection to the Node Unit (ANB10/ANB11/ANR10), ensuring that transient voltages on the serial lines do not propagate to the FCS processor. Frequently Asked Questions Q: Is the ALR111-S00 hot-swappable? A: Yes. When installed in a dual-redundant configuration with a paired module in an adjacent slot, the unit supports online replacement without interrupting the control process. Q: What is the maximum cable distance for RS-232C connections? A: The maximum transmission distance is 15 meters per port. Exceeding this limit may result in signal degradation due to RS-232C voltage level attenuation. Q: Can this module be used for multipoint networks? A: No. The ALR111-S00 is strictly limited to point-to-point RS-232C connections. For multipoint configurations, the ALR121 (RS-422/RS-485) model must be used. Field Installation Guidelines Install the module into the designated slot of the Node Unit (ANB10, ANB11, ANR10, F50, AFV10, FV30, or AFV40). Use approved I/O wiring components including AKB131, AKB132, AKB133, AKB134, or 3-pair shielded cable (AKB161/AKB162). Ensure the shield drain wire is terminated at the DCS cabinet ground bus bar only, maintaining a single-point ground to mitigate EMI. Verify that the backplane power supply has sufficient current margin for the 0.5 A consumption of the module before energizing the system.
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Yokogawa ALP111-S01 | PROFIBUS-DP Communication Module Yokogawa
Yokogawa ALP111-S01 PROFIBUS-DP Communication Module The Yokogawa ALP111-S01, also cataloged as the ALP111 PROFIBUS-DP Communication Module, operates as a dedicated hardware component for cyclic data exchange between CENTUM VP distributed control systems and PROFIBUS-DP slave devices over EIA-RS-485 electrical interfaces. Hardware Specifications Parameter Specification Model ALP111-S01 Brand Yokogawa Origin Japan Weight 0.3 kg Dimensions 45 × 97 × 103 mm Operating Temp -10 to +60 degC Storage Temp -25 to +70 degC Power Consumption Max 0.7 A @ 5 VDC Interface PROFIBUS-DP Master, EIA-RS-485 Connector Type D-sub 9-pin female (communication), D-sub 9-pin male (maintenance, RS-232C) Transmission Speed 9.6 kbps to 12 Mbps Max Segment Distance 1.2 km @ 9.6 kbps Signal Isolation Optical isolation between logic and bus lines Cable Type Shielded twisted pair Process Bus Protocol Integration The module supports deterministic cyclic I/O updates through PROFIBUS-DP services. Channel-to-channel isolation minimizes ground loop effects when interfacing with heterogeneous field devices. Configuration utilizes GSD files imported into the CENTUM VP engineering suite, ensuring consistent mapping of process variables and diagnostics into the control database. Frequently Asked Questions Q: Does the ALP111-S01 support hot-swapping? A: Yes. The module can be replaced online without interrupting operation of other modules in the same FIO node unit. Q: What is the maximum number of connected slaves? A: Up to 125 PROFIBUS-DP slave devices per module are supported under standard configuration limits. Q: Is redundancy possible with this module? A: Redundant pairs can be configured to maintain communication continuity during single-module failure events. Field Installation Guidelines Mount the module directly onto a compatible FIO node unit backplane. Use only shielded, impedance-controlled PROFIBUS cable with proper termination resistors at both ends of each bus segment. Ensure shield grounding occurs at a single point to avoid ground loops. Maintain separation of communication cabling from high-voltage power wiring to reduce electromagnetic interference. Verify connector retention and torque specifications before energizing the system.
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Yokogawa AMC80 | Multiplexer Converter | Yokogawa
Yokogawa AMC80 Multiplexer Converter The Yokogawa AMC80, also cataloged as the AMC80 Multiplexer Converter, operates as a dedicated hardware component for multi-point analog signal acquisition and protocol conversion within distributed control system (DCS) networks. Hardware Specifications Parameter Specification Model Brand Yokogawa AMC80 Origin Japan Operating Temp -10 degC to 55 degC Power Consumption 15 VA to 25 VA Input Signal 4-20 mA DC, RTD, pH, Conductivity, Dissolved Oxygen Output Signal 4-20 mA DC (isolated), RS-485 Modbus RTU Response Time 1 to 2 seconds (90% response) Enclosure Rating IP65 / NEMA 4X 4-20 mA Loop Integrity and Channel Isolation The AMC80 maintains galvanic isolation between input channels and output loops to prevent ground potential rise during transient events. Channel-to-channel isolation ensures that a short circuit on one analog input does not propagate noise or voltage drift to adjacent measurement circuits. The 4-20 mA analog output supports loop-powered transmission with a maximum load resistance of 600 ohms. Wiring integrity requires shielded twisted pair cabling with shield termination at the converter end only to mitigate common-mode interference. Frequently Asked Questions Q: What is the fail-state behavior of the relay contact outputs? A: Relay outputs default to de-energized states upon power loss or internal hardware fault detection, providing dry contact signaling for external alarm or shutdown logic. Q: Does the AMC80 support hot-swapping of input modules? A: No. Power must be removed from the unit prior to any module replacement or terminal block disconnection to prevent arcing and signal line damage. Q: What is the required cable gland specification for field installation? A: Use waterproof cable glands compatible with M20 or 1/2-NPT threads, ensuring ingress protection meets IP65 requirements after tightening. Field Installation Guidelines Mount the enclosure using 2-inch pipe brackets, wall anchors, or panel cutouts as defined by the suffix code. Torque terminal screws to the manufacturer's specified range; over-tightening may strip threads or crack the terminal housing. Maintain separation between power and signal cables to reduce electromagnetic coupling. For ambient temperatures exceeding 40 degC, ensure adequate ventilation around the enclosure to avoid thermal derating of internal electronics. Verify all earth ground connections are bonded to the plant reference grid with conductors sized per local electrical codes.
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Yokogawa Yokogawa ALF111-S01 FOUNDATION Fieldbus Communication Module
Yokogawa ALF111-S01 FOUNDATION Fieldbus Communication Module Configured for deterministic cyclic data exchange in CENTUM VP and CENTUM CS 3000 distributed control systems, the Yokogawa ALF111-S01 (base model ALF111) provides direct physical-layer interfacing to FOUNDATION Fieldbus H1 segments at 31.25 kbit/s, executing scheduled link-active communication without supervisory intervention. Hardware Specifications Parameter Specification Model Brand Yokogawa ALF111-S01 Origin Japan Weight 340 g Dimensions 88 x 58 x 23 mm (W x H x D) Operating Temp 0 to 50 degC Power Consumption 4.5 W max (24 VDC ±10%) Transmission Speed 31.25 kbit/s Number of H1 Ports 4 segments Max Devices per Port 32 (practical limit ~12–16) Max Segment Length 1900 m (Type A cable, no repeaters) FOUNDATION Fieldbus Protocol Integration The module supports 4-20 mA HART loop protocol overlay on FOUNDATION Fieldbus segments, enabling simultaneous analog signaling and digital data transfer. Channel-to-channel isolation prevents crosstalk between segments, while cold junction compensation maintains accurate temperature referencing for connected instrumentation. The deterministic schedule ensures bounded message latency under full process load. Frequently Asked Questions Q: Does the ALF111-S01 support hot-swapping in an operational node unit? A: No. Removal or insertion must occur only after powering down the associated node unit to prevent backplane transients. Q: What is the redundancy behavior during dual-module operation? A: In redundant configuration, the standby module assumes communication within one scheduled macrocycle following active module failure. Q: Are firmware updates backward-compatible with older CENTUM CS 3000 revisions? A: Firmware compatibility depends strictly on the installed system revision; consult the Yokogawa engineering manual before upgrading. Field Installation Guidelines Mount the ALF111-S01 in designated ESB/ER bus node unit slots using correct torque on securing screws. Use shielded Type A fieldbus cable with shield drain wires terminated at the host end only. Maintain minimum separation of 30 cm from high-voltage power wiring to reduce electromagnetic interference. Install fieldbus terminators at both ends of each segment and verify termination resistance before energizing the network.
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