CP451-50
May 14, 2026

CP451-50

The CP451-50 is a high-performance processor module manufactured by Yokogawa, serving as the core CPU for the CENTUM VP Distributed Control System (DCS). It is designed for large-scale, complex industrial process control, delivering powerful real-time computing, logic execution, I/O management, and network communication. The module supports redundant configuration and hot swapping, making it suitable for high-reliability applications in chemical, power, oil and gas, and metallurgical industries. Basic Specifications Module Type: High-performance DCS processor CPU module Applicable System: CENTUM VP and CS3000 DCS platforms Processor: Quad-core ARM Cortex-A53, 1.2 GHz, 64-bit processing Minimum Control Cycle: 10 ms Maximum Supported I/O Points: Up to 4,096 points Redundancy: Dual active/standby redundancy, bumpless switchover (<50 ms) Memory: 8 GB ECC DDR4 RAM, 64 GB eMMC flash storage Communication Interfaces: Dual 10/100 Mbps Ethernet ports (Vnet/IP, PRP/HSR); 2 isolated RS-485 serial ports Supported Protocols: Vnet/IP, Modbus TCP, Modbus RTU, DNP3, IEC 60870-5-101/104 Power Supply: 24 VDC (20.4–26.4 V) Power Consumption: Typical 2.5 W, maximum 7 W Operating Temperature: 0 °C to +55 °C (extended: -20 °C to +70 °C) Humidity: 5%–95% RH, non-condensing Certifications: SIL2, CE, UL, RoHS compliant Mounting: Compatible with AFV10/30/40 and ANB10/11 series racks Weight: Approximately 0.74 kg Maintenance: Hot-swappable, online replacement without system shutdown Key Features High-Speed Processing: Quad-core CPU supports over 10,000 control loops with stable 10 ms cycle, 30% faster than previous generations. Large-Scale System Support: Handles up to 4,096 I/O points and 1,000 control loops, with expanded memory for large program storage. High-Availability Redundancy: Dual Ethernet and dual CPU redundancy ensure uninterrupted operation and bumpless switchover. Multi-Protocol Connectivity: Native Vnet/IP and Modbus protocols enable seamless integration with third-party PLCs, instruments, and monitoring systems. Functional Safety: SIL2-certified for safety-critical process control applications. Easy Maintenance: Hot-swap design with on-board diagnostic LEDs simplifies troubleshooting and reduces downtime. Rugged Design: Compact structure with standard rack mounting, offering excellent anti-interference for long-term industrial operation. Typical Applications Core control processor for CENTUM VP DCS in large chemical plants, power plants, oil refineries, and metallurgical facilities. Precision control of complex equipment such as chemical reactors, distillation columns, boilers, turbines, and compressors. Industrial automation scenarios requiring high reliability, real-time performance, and redundant configuration. Model Explanation CP451-50 represents the extended high-performance configuration processor module in the CP451 series, designed for demanding large-scale process control applications.

Description

The CP451-50 is a high-performance processor module manufactured by Yokogawa, serving as the core CPU for the CENTUM VP Distributed Control System (DCS). It is designed for large-scale, complex industrial process control, delivering powerful real-time computing, logic execution, I/O management, and network communication. The module supports redundant configuration and hot swapping, making it suitable for high-reliability applications in chemical, power, oil and gas, and metallurgical industries.

Basic Specifications

  • Module Type: High-performance DCS processor CPU module

  • Applicable System: CENTUM VP and CS3000 DCS platforms

  • Processor: Quad-core ARM Cortex-A53, 1.2 GHz, 64-bit processing

  • Minimum Control Cycle: 10 ms

  • Maximum Supported I/O Points: Up to 4,096 points

  • Redundancy: Dual active/standby redundancy, bumpless switchover (<50 ms)

  • Memory: 8 GB ECC DDR4 RAM, 64 GB eMMC flash storage

  • Communication Interfaces: Dual 10/100 Mbps Ethernet ports (Vnet/IP, PRP/HSR); 2 isolated RS-485 serial ports

  • Supported Protocols: Vnet/IP, Modbus TCP, Modbus RTU, DNP3, IEC 60870-5-101/104

  • Power Supply: 24 VDC (20.4–26.4 V)

  • Power Consumption: Typical 2.5 W, maximum 7 W

  • Operating Temperature: 0 °C to +55 °C (extended: -20 °C to +70 °C)

  • Humidity: 5%–95% RH, non-condensing

  • Certifications: SIL2, CE, UL, RoHS compliant

  • Mounting: Compatible with AFV10/30/40 and ANB10/11 series racks

  • Weight: Approximately 0.74 kg

  • Maintenance: Hot-swappable, online replacement without system shutdown

Key Features

  • High-Speed Processing: Quad-core CPU supports over 10,000 control loops with stable 10 ms cycle, 30% faster than previous generations.

  • Large-Scale System Support: Handles up to 4,096 I/O points and 1,000 control loops, with expanded memory for large program storage.

  • High-Availability Redundancy: Dual Ethernet and dual CPU redundancy ensure uninterrupted operation and bumpless switchover.

  • Multi-Protocol Connectivity: Native Vnet/IP and Modbus protocols enable seamless integration with third-party PLCs, instruments, and monitoring systems.

  • Functional Safety: SIL2-certified for safety-critical process control applications.

  • Easy Maintenance: Hot-swap design with on-board diagnostic LEDs simplifies troubleshooting and reduces downtime.

  • Rugged Design: Compact structure with standard rack mounting, offering excellent anti-interference for long-term industrial operation.

Typical Applications

  • Core control processor for CENTUM VP DCS in large chemical plants, power plants, oil refineries, and metallurgical facilities.

  • Precision control of complex equipment such as chemical reactors, distillation columns, boilers, turbines, and compressors.

  • Industrial automation scenarios requiring high reliability, real-time performance, and redundant configuration.

Model Explanation

CP451-50 represents the extended high-performance configuration processor module in the CP451 series, designed for demanding large-scale process control applications.


Basic Specifications

  • Module Type: High-performance DCS processor CPU module

  • Applicable System: CENTUM VP and CS3000 DCS platforms

  • Processor: Quad-core ARM Cortex-A53, 1.2 GHz, 64-bit processing

  • Minimum Control Cycle: 10 ms

  • Maximum Supported I/O Points: Up to 4,096 points

  • Redundancy: Dual active/standby redundancy, bumpless switchover (<50 ms)

  • Memory: 8 GB ECC DDR4 RAM, 64 GB eMMC flash storage

  • Communication Interfaces: Dual 10/100 Mbps Ethernet ports (Vnet/IP, PRP/HSR); 2 isolated RS-485 serial ports

  • Supported Protocols: Vnet/IP, Modbus TCP, Modbus RTU, DNP3, IEC 60870-5-101/104

  • Power Supply: 24 VDC (20.4–26.4 V)

  • Power Consumption: Typical 2.5 W, maximum 7 W

  • Operating Temperature: 0 °C to +55 °C (extended: -20 °C to +70 °C)

  • Humidity: 5%–95% RH, non-condensing

  • Certifications: SIL2, CE, UL, RoHS compliant

  • Mounting: Compatible with AFV10/30/40 and ANB10/11 series racks

  • Weight: Approximately 0.74 kg

  • Maintenance: Hot-swappable, online replacement without system shutdown

Key Features

  • High-Speed Processing: Quad-core CPU supports over 10,000 control loops with stable 10 ms cycle, 30% faster than previous generations.

  • Large-Scale System Support: Handles up to 4,096 I/O points and 1,000 control loops, with expanded memory for large program storage.

  • High-Availability Redundancy: Dual Ethernet and dual CPU redundancy ensure uninterrupted operation and bumpless switchover.

  • Multi-Protocol Connectivity: Native Vnet/IP and Modbus protocols enable seamless integration with third-party PLCs, instruments, and monitoring systems.

  • Functional Safety: SIL2-certified for safety-critical process control applications.

  • Easy Maintenance: Hot-swap design with on-board diagnostic LEDs simplifies troubleshooting and reduces downtime.

  • Rugged Design: Compact structure with standard rack mounting, offering excellent anti-interference for long-term industrial operation.

Typical Applications

  • Core control processor for CENTUM VP DCS in large chemical plants, power plants, oil refineries, and metallurgical facilities.

  • Precision control of complex equipment such as chemical reactors, distillation columns, boilers, turbines, and compressors.

  • Industrial automation scenarios requiring high reliability, real-time performance, and redundant configuration.

Model Explanation

CP451-50 represents the extended high-performance configuration processor module in the CP451 series, designed for demanding large-scale process control applications.


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