CP451-10 YOKOGAWA DCS Central Processing Unit Module

CP451-10 YOKOGAWA Technical Parameters
Core hardware: 32-bit RISC processor, base frequency 25MHz, enhanced version 1GHz; base memory 512KB, expandable up to 2GB
Power supply: Rated 24V DC, tolerance range 18~30V DC, typical power consumption 20W
Control performance: Millisecond-level control cycle, supports PID, cascade control, custom algorithms and complex control logic
Analog I/O: 8 AI/AO onboard, expandable up to 16 AI, 32 AO; supports 4~20mA, 0~10V, Pt100, thermocouple; 16-bit resolution, minimum sampling period 10ms
Digital I/O: 32 DI/DO onboard; 24V DC input, transistor open-collector output, max single channel load 100mA
Communication: Onboard RS232, RS485 (1200m max distance); enhanced version with 10/100Mbps adaptive Ethernet
Protocols: Modbus RTU/TCP, Yokogawa K-Net, DNP3, IEC 60870-5-101/104
Ambient temperature: Standard -20℃ ~ +60℃, wide-temperature version -40℃ ~ +85℃; relative humidity 5%~95% non-condensing
Shock & vibration: 0.05g RMS (10~500Hz) vibration resistance; 15g (11ms half sine wave) shock resistance
Physical dimension: Standard 230mm×160mm×80mm, weight 2.5kg; compact 100mm×65mm×25mm, weight 1.24kg

CP451-10 YOKOGAWA product Features
Strong computing capability: 32-bit RISC architecture with multi-task scheduler, efficiently processes complex control algorithms and large real-time data. Millisecond response to process changes to guarantee control precision and real-time performance.
Redundant fault tolerance: Supports dual CPU hot standby configuration with seamless millisecond switchover without control interruption. Built-in overvoltage, overcurrent and short-circuit protection for continuous non-stop production.
Powerful interconnection: Multiple communication ports and multi-protocol compatibility. Seamlessly connects with DCS I/O cards, operator stations, third-party VFDs, transmitters and host computers for excellent system expandability.
Full self-diagnosis & alarm: Real-time monitoring of power supply, CPU temperature, memory, I/O and communication links. Local LED alarm and fault log upload to HMI for fast troubleshooting.
Convenient programming & maintenance: Supports LD, FBD, ST and other IEC programming languages. Online program editing, download and offline simulation. Front panel LED indicators show running status clearly to simplify commissioning and maintenance.
Harsh environment adaption: Fully sealed industrial hardware, wide temperature & humidity tolerance, vibration and EMC resistance for high temperature, humid and heavy electromagnetic interference plant environments.