The YOKOGAWA CP451-51 is a high-performance analogue input module designed for Yokogawa’s CENTUM series Distributed Control Systems (DCS). Optimized for industrial process control, the CP451-51 ensures precise signal acquisition and reliable data transmission in challenging environments.
1. Product Description
The YOKOGAWA CP451-51 is a compact, 8-channel module that converts analogue signals (e.g., 4–20mA, voltage) into digital data for DCS processing. Key features include:
High Accuracy: ±0.05% full-scale error for precise measurements.
Wide Input Range: Supports multiple signal types (current, voltage, thermocouples).
Isolation: Galvanic isolation between channels and system ground.
Hot-Swap Capability: Allows replacement without powering down the system.
Diagnostic Functions: Real-time monitoring of module health and signal integrity.
2. Product Parameters
Parameter
Specification
Model Number
CP451-51
Input Type
4–20mA, 0–5V, 1–5V, TC (K, J, T)
Channels
8
Resolution
16-bit
Sampling Rate
100ms/channel
Voltage
24V DC (power supply)
Dimensions
160 x 80 x 150 mm
Weight
0.5 kg
Operating Temperature
-10°C to 55°C
3. Advantages and Features
Reliability: Reduces downtime with advanced diagnostics and redundant power support. A chemical plant achieved 99.9% uptime using CP451-51 modules.
Flexibility: Configurable input types eliminate the need for external signal conditioning.
Energy Efficiency: Low power consumption (≤1.5W per channel).
4. Application Areas and Cases
Industries: Petrochemical, water treatment, pharmaceuticals, and power generation.
Use Cases:
Monitoring pressure/temperature in reactors.
Analyzing liquid levels in storage tanks.
Case Study: A wastewater treatment plant improved process efficiency by 20% using CP451-51 for real-time sensor data integration.
5. Competitor Comparison
The CP451-51 outperforms alternatives with:
Higher Channel Density: 8 channels vs. typical 4–6 channels in comparable modules.
Faster Sampling: 100ms/channel vs. 200ms for some competitors.
Built-in Redundancy: Optional dual-channel configuration for critical systems.
6. Selection Recommendations
Input Requirements: Match signal type (current/voltage/thermocouple) and channel count.
Environment: Ensure temperature and humidity ratings align with the installation site.
System Compatibility: Verify compatibility with CENTUM series DCS models (e.g., CENTUM VP).
7. Precautions
Installation: Use anti-static wrist straps to prevent ESD damage.
Wiring: Follow Yokogawa’s wiring diagrams for proper signal and power connections.
Calibration: Perform periodic calibration to maintain accuracy.
Firmware Updates: Keep firmware current for optimal performance.
Shanxi Xinyeda International Trading Co., Ltd. is your trusted partner for [YOKOGAWA CP451-51] and other industrial automation spare parts. Visit our website www.xydcontrol.com or contact us for sales and technical support.
We've got you covered
We give you access to a global supply of automation parts at your fingertips, ensuring that manufacturers around the world can avoid unnecessary downtime and continue to do what they do best – making our world possible.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
Continue Searching
We're here when you need us
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
Full 12-month warranty on all components
Full 12-month warranty on all components
