Yokogawa CP451-51 S2 Processor Module CENTUM VP

Description

The Yokogawa CP451-51 S2 Processor Module is a compact CPU unit designed for reliable operation in CENTUM VP control systems. It delivers stable processing performance with 20 MHz CPU speed and supports communication via RS-485. Built for harsh industrial environments, it provides consistent operation across wide temperature ranges and offers efficient memory management for process control tasks.

Technical Specifications

• Manufacturer Yokogawa Electric Corporation

• Model CP451-51 S2

• Product Type Processor Module

• Processor Speed 20 MHz

• Memory 32 KB RAM, 16 KB Flash

• Power Supply 24 VDC ±10%

• Input Voltage 24 VDC

• Output Voltage 5 VDC

• Communication Interface RS-485

• Operating Temperature -25°C to +70°C

• Storage Temperature -40°C to +85°C

• Dimensions 10.2 cm × 3.8 cm × 10.2 cm

• Weight 0.3 kg

• Mounting Type Rack or backplane integration

• Design Focus High reliability, stable operation in demanding industrial conditions

Application Scenarios

Ideal for CENTUM VP distributed control systems in power generation, chemical processing, and other industrial automation applications requiring small, reliable CPU modules.

FAQ

Q1 What communication protocol does CP451-51 support?
A1 It uses RS-485 for stable serial communication with external devices.

Q2 What temperature ranges can it operate in?
A2 The module operates from -25°C to +70°C and can be stored from -40°C to +85°C.

Q3 How does it compare to CP461-E1?
A3 CP451-51 has lower processing speed and memory than CP461-E1 but is optimized for compact, energy-efficient applications.