CP451 Yokogawa DCS Processor Module

Description

Yokogawa CP451 – Product Description & Technical Specifications
Product Description
The Yokogawa CP451 is a high-performance field control processor module designed as the core computing unit for Yokogawa CENTUM VP distributed control systems (DCS). It executes real-time process control logic, manages I/O subsystems, and enables reliable communication with upper-level control networks. Engineered for mission-critical industrial environments including oil & gas, petrochemicals, power generation, and pharmaceuticals, it supports redundant operation and delivers robust performance with high reliability.
Basic Information
Brand: Yokogawa
Model: CP451
Product Type: Field Control Processor Module (FCS CPU)
Weight: Approximately 0.7 kg
Dimensions: 51 mm × 152 mm × 203 mm (W × H × D)
Country of Origin: Singapore
HS Code: 8537109060 (for reference)

CP451

Temperature Specifications
Operating Temperature: 0 °C to +55 °C
Storage Temperature: -20 °C to +70 °C
Temperature Drift: Compliant with Yokogawa industrial standards for stable control performance
Input Specifications
Power Input: 24 V DC ±10% (18–30 V DC)
Current Consumption: Typical 1.0 A @ 24 V DC
Power Consumption: Approximately 20 W
Processor: 32-bit industrial-grade RISC processor (1 GHz for enhanced variants)
Memory: 1 GB RAM + 4 GB Flash memory
Bus Interfaces: Redundant Vnet/IP (system communication);
ESB bus (I/O subsystem)Isolation: System-level isolation (signal, power, communication)
Output Specifications
Communication Outputs: Redundant Vnet/IP; Ethernet (supports TCP/IP, Modbus TCP)
Control Output: Real-time control signals to connected I/O modules
Scan Cycle: ≤1 ms for high-speed control tasks
Redundancy Output: Dual-module hot standby with failover time <100 ms
Physical & Environmental Parameters
Vibration Resistance: 10–500 Hz (compliant with IEC 60068-2-6)
Humidity: 5%–95% RH (non-condensing)
Protection Level: IP20
Cooling: Natural convection (fanless)
Mounting: Rack-mounted on CENTUM VP FCS backplane
Certifications: CE, UL, CSA
Key Features
High-performance 32-bit RISC processor for ultra-fast real-time control execution
Supports dual-module redundancy for maximum system availability
Fanless design ensures silent operation and high MTBF in harsh industrial environments
Redundant Vnet/IP and ESB buses for fault-tolerant communication
Large memory capacity for complex control logic and data storage
Built-in self-test, LED diagnostics, and watchdog timer for reliable operation
Seamless integration with Yokogawa CENTUM VP DCS ecosystem
Compact form factor for easy installation and system expansion
Suitable for 24/7 continuous operation in critical process control applications

CP451 Yokogawa PDF
CP451

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