CP451-50 Yokogawa Processor Module ORIGINAL

Description

Yokogawa CP451-50 – Product Description & Technical Specifications
Product Description
The Yokogawa CP451-50 is a  processor module, a key variant in the CP451 series optimized for Yokogawa CENTUM CS and CENTUM VP distributed control systems (DCS). It delivers robust real-time process control, I/O subsystem management, and redundant communication capabilities, tailored for mission-critical industrial sectors such as oil & gas, petrochemicals, power generation, and pharmaceuticals. This module is engineered to ensure uninterrupted operation in harsh industrial environments, supporting dual-module hot standby for maximum system availability and seamless integration with the CENTUM DCS ecosystem.

Basic Information
Brand: Yokogawa
Model: CP451-50
Product Type: Field Control Processor Module (FCS CPU)
Weight: Approximately 0.7 kg (1 lbs 10.1 oz)
Dimensions: 51 mm × 152 mm × 203 mm (W × H × D) [6.0″ × 2.0″ × 8.0″]
Country of Origin: Japan
HS Code: 8537109060 (for reference)
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 under thermal variation
Input Specifications
Power Input: 24 V DC ±10% (18–30 V DC);redundant power input supported
Current Consumption: Typical 1.0 A @ 24 V DC
Power Consumption: Approximately 20 W
Processor: 32-bit industrial-grade RISC processor
Memory: 512 MB RAM + 1 GB Flash memory (supports large-scale control logic and data logging)
Bus Interfaces: Redundant Vnet/IP (system communication);
ESB bus (I/O subsystem)Isolation: System-level isolation (signal, power, and communication channels)I/O
Expansion Input: Supports up to 256 mixed analog/digital input points via compatible I/O modules
Output Specifications
Communication Outputs: Redundant Vnet/IP; Ethernet (TCP/IP, Modbus TCP); RS-485 (Modbus RTU)
Control Output: Real-time control signals to connected I/O modules; supports up to 256 mixed analog/digital output points
Scan Cycle: ≤10 ms for standard control tasks; optimized for complex algorithm execution
Redundancy Output: Dual-module hot standby with failover time <100 ms
Diagnostic Output: LED indicators for power, status, communication, and fault conditions
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 design for high MTBF)
Mounting: Rack-mounted on CENTUM VP FCS backplane
Certifications: CE, UL, CSA
Key Features
Optimized 32-bit RISC processor architecture for reliable real-time control in critical process applications
Dual-module redundancy support ensures seamless failover and maximum system uptime
Redundant Vnet/IP and ESB bus interfaces for fault-tolerant communication across the DCS network
Expanded memory capacity (512 MB RAM + 1 GB Flash) for complex control logic and historical data storage
Fanless thermal design for silent operation and enhanced reliability in harsh industrial environments
Supports up to 256 mixed analog/digital I/O points for flexible system configuration
Built-in self-test, watchdog timer, and LED diagnostics for proactive fault detection and maintenance
Seamless compatibility with Yokogawa CENTUM CS and CENTUM VP DCS platforms
Compact form factor (51 mm × 152 mm × 203 mm) for efficient rack space utilization

CP451-50 PDF
CP451-50

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