YOKOGAWA CP461-50 Processor Module

YOKOGAWA CP461-50 is a high-performance processor module (CPU) designed for Yokogawa CENTUM VP DCS system. It serves as the core controller of AFV30S / AFV30D field control station, responsible for executing regulatory control, sequence control and arithmetic calculation of process variables.

This module supports dual redundant hot backup configuration for bumpless switchover upon single CPU failure. It adopts Vnet/IP high-speed communication interface and can connect up to 8 I/O modules. It is widely used as spare replacement parts for petrochemical, power and chemical plant DCS maintenance projects.

Main Specifications

1. Brand: YOKOGAWA; Model: CP461-50; Type: DCS Processor Module
2. Compatible System: CENTUM VP; FCS Unit: AFV30S (single) / AFV30D (duplex)
3. Communication: Vnet/IP 1Gbps; Max I/O Modules: up to 8 pieces
4. Power Supply: 24VDC; Weight: approx 0.7kg
5. Feature: Support dual redundant hot standby; standard type without explosion protection
6. Operating Temp: -20℃ ~ +70℃; Humidity: 5%~95% non-condensing
7. Supply Status: Spare CPU module for CENTUM VP DCS maintenance and retrofit

Core Functions

1. Execute continuous PID control, sequence logic and mathematic calculation for process control.
2. Collect real-time data from local I/O modules and exchange data via Vnet/IP network.
3. Dual redundant hot backup design realizes zero-bump switchover when one CPU fails.
4. Built-in watchdog and self-diagnosis functions to detect hardware and program faults.
5. Process alarm generation and event logging for plant operation audit and troubleshooting.
6. Rack slot mounting, easy to replace during field DCS overhaul and spare upgrade.

Application Scenarios

1. Yokogawa CENTUM VP DCS field control station in oil refineries and chemical plants.
2. Power generation, LNG and heavy industry continuous process control systems.
3. Replacement of defective CPU modules for existing AFV30D / AFV30S control units.
4. Spare parts inventory for factory automation and DCS maintenance teams.
5. System expansion and upgrade of legacy CENTUM VP distributed control systems.
6. Critical process control requiring high availability and redundant controller architecture.

FAQ

1. Q: What is YOKOGAWA CP461-50?
   A: It is the processor CPU module for Yokogawa CENTUM VP DCS, installed in AFV30 series field control station to run process control logic.
2. Q: Does CP461-50 support redundancy?
   A: Yes, it can be configured as dual redundant hot standby pair, achieving bumpless switchover for high availability control.
3. Q: What does suffix "-50" mean?
   A: Suffix 50 means standard basic version without explosion-proof protection, compatible with AFV300/AFV400 FCS units.