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CP451-51 YOKOGAWA

  • High-Speed Performance: 32-bit processor ensures real-time data processing for critical operations.
  • Versatile Connectivity: Supports multiple communication protocols and expansion modules for flexible I/O configurations.
  • Rugged Design: Industrial-grade construction withstands extreme temperatures, vibrations, and shocks.
  • User-Friendly Interface: Intuitive configuration via built-in interfaces or remote software tools.
  • Redundancy Support: Dual redundant terminal blocks for secure connections in fault-tolerant systems.
Manufacturer:
Part number: CP451-51
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Description

1. Product Description

The YOKOGAWA CP451-51 is a high-performance multifunction process controller designed for industrial automation, offering precise monitoring and control of process variables such as temperature, pressure, flow, and level. As a core component of Yokogawa’s industrial control systems, the CP451-51 features a 32-bit RISC processor, 128KB program/data memory, and supports up to 256 I/O points, making it suitable for scalable applications in manufacturing, energy, and chemical processing. Its robust communication capabilities (Ethernet, RS-232/485, and optional expansion slots) enable seamless integration with distributed control systems (DCS) and programmable logic controllers (PLCs). The controller prioritizes reliability with industrial-grade components, a wide operating temperature range (-40°C to +70°C), and built-in real-time diagnostics for proactive maintenance.

2. Product Parameters

Parameter Specification
Processor 32-bit RISC processor
Memory 128KB program memory, 128KB data memory
I/O Capacity Up to 256 input/output points
Communication Ethernet, RS-232/485, optional expansion slots (Modbus, Profibus compatible)
Control Functions PID control, cascade control, ratio control
Power Supply AC 100–240V (50/60Hz) or 24V DC (±10%)
Operating Temperature -40°C to +70°C (industrial grade)
Dimensions 96 x 96 mm (panel mount)
Weight 1 kg
Certifications Industrial vibration/shock resistance, CE compliant
YOKOGAWA CP451-51

YOKOGAWA CP451-51

3. Advantages and Features

  • High-Speed Performance: 32-bit processor ensures real-time data processing for critical operations.
  • Versatile Connectivity: Supports multiple communication protocols and expansion modules for flexible I/O configurations.
  • Rugged Design: Industrial-grade construction withstands extreme temperatures, vibrations, and shocks.
  • User-Friendly Interface: Intuitive configuration via built-in interfaces or remote software tools.
  • Redundancy Support: Dual redundant terminal blocks for secure connections in fault-tolerant systems.

4. Application Areas and Case Studies

  • Industries: Manufacturing, energy production, water treatment, chemical plants.
  • Use Cases:
    • Manufacturing: Controlling conveyor systems and optimizing production line efficiency.
    • Energy: Monitoring boiler systems and managing turbine operations in power plants.
    • Case Study: A water treatment facility in Southeast Asia deployed the CP451-51 to centralize control of 100+ sensors. Its real-time diagnostics reduced downtime by 15% and improved water quality consistency.

5. Competitive Comparison

Compared to similar process controllers, the CP451-51 excels in:

 

  • Integrated Redundancy: Built-in dual terminal blocks for seamless failover, reducing reliance on external hardware.
  • Wide Power Range: Supports both AC and DC inputs, adapting to diverse industrial power environments.
  • Modular Scalability: Optional expansion slots allow customization without replacing the entire controller.
    YOKOGAWA CP451-51

    YOKOGAWA CP451-51

6. Selection Recommendations

  • Compatibility: Verify compatibility with existing DCS/PLC systems (e.g., Yokogawa CENTUM VP, Siemens S7).
  • I/O Requirements: Match input/output types (analog/digital) and capacity to sensor/actuator needs.
  • Environment: Ensure the operating temperature range (-40°C to +70°C) suits harsh industrial settings.
  • Expansion Needs: Evaluate optional modules (e.g., communication, I/O) for future scalability.

7. Precautions

  • Wiring: Separate power, analog, and digital signal cables to avoid interference; use shielded twisted pairs for analog signals.
  • Grounding: Ensure proper grounding for noise reduction and safety.
  • Firmware Updates: Regularly update firmware via Yokogawa’s official tools to enhance security and functionality.
  • Maintenance: Schedule annual inspections for terminal connections and environmental conditions.

 

Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for YOKOGAWA CP451-51 and other automation spare parts. We offer sales, technical support, and customized solutions to meet your industrial control needs. Visit our website www.xydcontrol.com or contact us today for expert assistance.
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