Overview
The Yokogawa CP451-51 S2 is a high-performance processor module designed for the CENTUM VP distributed control system (DCS). It serves as the central processing unit responsible for executing control logic, managing process data, and ensuring reliable communication with field devices and operator stations.
General Information
Brand: Yokogawa
Country of Origin: Japan
Model: CP451-51 S2
Product Type: Processor Module / CPU Module
System Compatibility: CENTUM VP DCS, AFV300/AFV400 Field Control Units (FCU)
Application: Industrial process control, oil & gas, petrochemical, and power industries
Power Specifications
Power Supply: 24 V DC nominal (operating range: 20.4–28.8 V DC)
Power Consumption: Approx. 2.5 W
Redundancy: Supports dual-redundant CPU configuration for system reliability
Communication & Interface
Communication Ports:
2 × Ethernet (100BASE-TX)
2 × RS-232C/RS-485 serial ports
Network Compatibility: Vnet/IP and ESB bus systems
Signal Support: Supports digital and analog I/O communication via I/O modules
Configuration Interface: Front panel LEDs and configuration switches
Environmental
Operating Temperature: 0°C to 55°C
Storage Temperature: -40°C to +85°C
Humidity: 5% to 95% RH, non-condensing
Cooling Method: Natural convection
Dimensions & Weight
Dimensions: 200 × 150 × 40 mm
Weight: Approx. 0.7 kg
