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YOKOGAWA ALR121-S00

Product Name ALR121-S00 Serial Communication Module (Dual Port RS-422/RS-485, Modbus RTU) Product Overview The ALR121-S00 is a dual-port serial communication module for Yokogawa ProSafe-RS Safety Control Station. It enables Modbus RTU master/slave and subsystem communication over RS-422/RS-485 links, allowing the safety controller to exchange data with third-party PLCs, intelligent instruments, analyzers, and SCADA systems while maintaining isolation from safety-critical I/O.
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Yokogawa AVR10D-Q22020

Product Overview: High-stability industrial dedicated voltage regulation module launched by Yokogawa, specially used for precision power supply guarantee of industrial control instruments, detection equipment and automatic control systems. The module realizes automatic voltage stabilization and surge suppression of industrial power supply, eliminates power grid voltage fluctuation interference, and provides clean and stable power supply for precision industrial equipment.
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Yokogawa CP345

Product Brief

Redundancy-capable main central processing unit module for Yokogawa Centum VP process DCS control stations, executing continuous process control logic, PID closed-loop regulation, sequence interlock logic and real-time fieldbus data exchange for large-scale petrochemical, power and chemical plant distributed process control systems, supporting dual redundant hot standby operation for uninterrupted process control.
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YOKOGAWA CP401-10

Product Brief

Dedicated master CPU controller unit for Yokogawa CENTUM VP distributed control system, responsible for full-loop process control, real-time logic operation, field I/O data acquisition, system network communication and fault diagnosis. It serves as the core arithmetic hub of single DCS control station, supporting hot redundant backup and high-density I/O expansion for continuous industrial process production lines.
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YOKOGAWA CP450C

Product Brief

Legacy high-performance master control CPU module exclusively designed for Yokogawa CENTUM CS3000 distributed control system, undertaking real-time process closed-loop control, sequential logic execution, field signal collection and system communication scheduling. It supports single-station independent operation and multi-station network interconnection, widely deployed in mature continuous process industrial facilities with long-term stable operation demands.
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YOKOGAWA CP451-10

Product Brief

Premium dual-core master CPU unit compatible with both CENTUM CS3000 and CENTUM VP distributed control systems, engineered for large-scale complex process control stations requiring massive I/O capacity and high-speed arithmetic. It delivers expanded loop control capacity, faster communication response and enhanced redundant stability compared to CP450C, designated for large petrochemical, power and integrated chemical plant main control stations.
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Yokogawa CP451-10 – Processor Module

Technical Specifications:

  • Interface Module: Designed to facilitate communication between different components of the DCS.
  • Communication Protocols: Supports standard industrial protocols ensuring compatibility across multiple devices and systems.
  • Power Supply: Operates on a specific voltage range suitable for industrial environments.
  • Environmental Conditions: Rated for operation in a range of temperatures and humidity levels typical for industrial settings.
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YOKOGAWA CP451-51

Product Brief

Specialized variant of CP451 CPU core optimized for hazardous classified industrial areas, retaining full dual-core high arithmetic performance of CP451-10 while adding intrinsic safety circuit isolation and enhanced anti-corrosion hardware coating. It serves as main control CPU for DCS stations deployed in Zone 2 hazardous chemical, oil and gas process areas, supporting full redundant configuration and complete I/O expansion compatibility with CENTUM VP systems.
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YOKOGAWA CP451-51 Multifunction Processor Module

Procurement Guidance

  1. Compatibility Notes
    • Valid for CENTUM CS3000/VPS and AFV300/AFV400 systems; replaces legacy CP451-11 (#ref_11).
    • Suffix -51 denotes standard non-explosion-proof variant; confirm ISA G3 compliance for corrosive environments (#ref_11).
  2. Critical Accessories
    • Backplane Adapter (e.g., Yokogawa SDCS-PIN-24) for DCS rack integration (#ref_5).
    • Battery Backup Module (IC698ACC701) for RAM retention during power loss (#ref_8).
  3. Avoid Mismatches
    • Standalone HART isolators → Use Yokogawa CP451-HART.
    • Low-power I/O modules → Refer to Yokogawa AFL111.
  4. Authenticity Verification
    • Holographic seals on factory-sealed units; 12-month warranty (#ref_3).
    • Cross-check part number 3BHE030579R0003 for industrial-grade variants (#ref_14).
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YOKOGAWA CP461-50 Processor Module – Comprehensive Data Sheet

Technical Specifications:
  • Communication Protocols: Supports multiple industry-standard communication protocols such as Ethernet/IP, Modbus/TCP, and proprietary Yokogawa protocols, enabling connectivity with a wide range of devices and systems.
  • Network Interface: Features interfaces for both wired and wireless networks, accommodating diverse network architectures and facilitating flexible system configurations.
  • Data Processing Capability: Equipped with sufficient processing power to handle large volumes of data efficiently, ensuring timely and accurate data transmission.
  • Environmental Tolerance: Designed to operate reliably in harsh industrial environments, featuring resistance to dust, moisture, temperature extremes, and electromagnetic interference.
  • Power Supply: Operates on standard industrial power supply voltages with options for redundancy to ensure continuous operation in critical applications.
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Yokogawa EB401-10

Product Name ER Bus Interface Master Module Product Overview The Yokogawa EB401-10 is a high-speed ER bus interface master module designed for Yokogawa CENTUM series DCS and ESB bus node systems. It serves as a communication bridge between the main control system and field-side ER bus segments, enabling bidirectional data transmission for both analog and digital field signals.
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YOKOGAWA F3PU10‑0N

Product Name FA‑M3 Series AC Power Supply Module F3PU10‑0N Product Introduction AC input power supply module dedicated for Yokogawa FA‑M3 / FA‑M3V PLC rack; supplies stable regulated DC power to rack back‑plane, CPU and all installed I/O modules, for 4‑slot and 6‑slot base rack configurations.
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