The CP451-50 (Model: CP451-50) is a high-availability processor module engineered for Yokogawa’s CENTUM CS 3000 Distributed Control System (DCS). Serving as the primary computational logic solver for Field Control Stations (FCS), this module is the designated modern replacement for the legacy CP451-10. It manages real-time process control, coordinates complex I/O signal processing, and ensures deterministic communication across the control network. The CP451-50 is designed for the rigorous demands of the oil and gas, petrochemical, and power industries, where system stability and long-term lifecycle support are mandatory.
The technical parameters below define the hardware capabilities and operational standards for the CP451-50 (Model: CP451-50).
Manufacturer: Yokogawa Electric Corporation
Model Identification: CP451-50
Compatibility: Direct replacement for legacy CP451-10 modules
System Series: CENTUM CS 3000, CENTUM VP (Vnet/IP or V-net compatibility)
Processor Function: Real-time logic execution and I/O management
Memory Capacity: 32K words high-speed RAM/Flash
I/O Capacity: Supports up to 256 local and remote I/O points
Power Supply: 24 V DC (Standard)
High-Speed Output: Capable of output frequencies up to 30 kHz
Communication Ports: RS-232, RS-422, and RS-485
Supported Protocols: Modbus (RTU/TCP), Profibus-DP, DeviceNet, and Yokogawa V-net
Operating Temperature: –10°C to +55°C
Storage Temperature: –40°C to +85°C
Humidity: 5% to 95% RH (Non-condensing)
Dimensions: 66 × 49 × 125 mm
Net Weight: 0.45 kg
Shipping Weight: 1.0 kg
Origin: Japan
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