CP451 is a high-performance processor module developed by Yokogawa, designed for CENTUM VP DCS system. It undertakes real-time process control, logic operation, I/O data processing and network communication management. This module supports dual redundant configuration and hot swappable function, and is widely applied in chemical, power, oil and gas, metallurgy and other process industries. Common versions include CP451-10 standard type and CP451-50 high-performance type.

Module type: DCS processor CPU moduleApplicable system: CENTUM VP and CS3000 DCS platformProcessor architecture: 32-bit RISC, high-performance version adopts quad-core ARM Cortex-A53 1.2GHzMinimum control cycle: 10msMaximum supporting I/O points: standard version 1024 points, high-performance version up to 4096 pointsRedundancy mode: active and standby dual redundancy, realizing bumpless switchoverMemory and storage: standard version equipped with 128MB RAM and 64MB Flash, high-performance version with 8GB ECC DDR4 and 64GB eMMCCommunication interface: dual 10/100Mbps Ethernet port supporting Vnet/IP network, two isolated RS-485 serial portsSupported communication protocols: Vnet/IP, Modbus TCP, Modbus RTU, DNP3, IEC 60870-5-101 and 104Power supply: 24VDC, working voltage range 20.4V to 26.4VPower consumption: typical 2.5W, maximum 7WOperating temperature: 0°C to +55°C, extended temperature range minus 20°C to +70°CRelative humidity: 5% to 95% RH, non-condensingCertification standard: SIL2, CE, UL, RoHS compliantInstallation type: suitable for AFV10, AFV30, AFV40, ANB10, ANB11 series racksPhysical weight: approximately 0.74kgMaintenance feature: support hot swap, online replacement without system shutdown

It provides high-speed real-time control capability, stable operation for large quantity control loops.Dual network and dual module redundant design ensure high system reliability and uninterrupted production.Built-in multiple communication protocols, convenient for connecting with third-party PLC, instruments and upper monitoring system.Meet SIL2 functional safety certification, applicable to safety related process control occasions.Hot swappable design with on-board diagnostic indicator, convenient for daily maintenance and fault handling.Compact structure, standard rack installation, good anti-interference performance suitable for industrial control room long-term continuous operation.

Used as core control processor of CENTUM VP DCS for process control and data acquisition in chemical plant, power plant, oil refinery and metallurgical industry.Suitable for automatic control of reactor, distillation tower, boiler, turbine, compressor and other production equipment.Applied to industrial automation occasions requiring high reliability, real-time performance and redundant configuration.

CP451-10 refers to standard configuration processor module.CP451-50 represents extended high-performance configuration processor module.