Yokogawa CP401-10 Product Documentation

Product Introduction

The Yokogawa CP401-10 is a compact and high-performance signal conditioner designed for industrial process control applications. It provides reliable signal conversion, isolation, and transmission for various sensor inputs, including thermocouples, RTDs, and DC voltage/current signals. The CP401-10 is part of Yokogawa’s CP Series, known for its durability, precision, and ease of integration in harsh industrial environments.

The unit features a robust housing, ensuring protection against electrical noise and vibrations. It is widely used in industries such as oil & gas, chemical, power generation, and water treatment, where accurate signal conditioning is critical for process efficiency and safety.

Product Advantages

1. High Accuracy – Provides precise signal conversion with minimal deviation.
2. Isolation – Ensures electrical isolation between input and output to prevent ground loops and noise interference.
3. Wide Compatibility – Supports multiple input types, including thermocouples, RTDs, and analog signals.
4. Compact Design – Space-saving form factor suitable for dense panel installations.
5. Durability – Built to withstand harsh industrial conditions, including high temperatures and vibrations.
6. Easy Configuration – Simple setup with front-access terminals and clear labeling.

Technical Specifications

Applications

• Process Control Systems – Signal conditioning for PLCs and DCS.
• Temperature Monitoring – Accurate conversion of thermocouple and RTD signals.
• Power Plants – Isolation and transmission of critical sensor data.
• Oil & Gas – Reliable signal processing in hazardous environments.
• Water Treatment – Monitoring and control of flow, pressure, and pH levels.

Compatible & Related Models

The CP401-10 can be used alongside the following complementary devices:

• Yokogawa CP451-10 (Analog-to-digital converter)
• Yokogawa CP311-10 (Signal isolator)
• Yokogawa CP611-00 (Temperature transmitter)
• Yokogawa CP201-10 (Current/voltage converter)
• Yokogawa CP202-10 (Frequency converter)
• Yokogawa CP301-10 (Signal splitter)

Installation Instructions

1. Mounting – Secure the unit on a DIN rail or panel using the provided clips.
2. Wiring – Connect input, output, and power supply wires as per the terminal diagram.
3. Configuration – Set the input type and output range using DIP switches (if applicable).
4. Testing – Verify signal accuracy using a calibrated meter before full operation.
5. Maintenance – Periodically check for loose connections and environmental conditions.

Recommended Related Models in CP Series

Popular Yokogawa Models (Other Series)

Frequently Asked Questions (FAQ)

Q1: What is the maximum input voltage for the CP401-10?
A1: The CP401-10 supports a maximum input voltage of 60 mV for thermocouples and 10V for DC voltage inputs.

Q2: Can the CP401-10 be used in hazardous areas?
A2: Yes, optional ATEX-certified versions are available for use in explosive atmospheres.

Q3: How do I calibrate the CP401-10?
A3: Calibration requires a precision signal source and a multimeter. Adjust the zero and span potentiometers as per the manual.

Q4: What is the typical response time of the CP401-10?
A4: The response time is typically less than 500ms for full-scale input changes.

Q5: Is the CP401-10 compatible with 3-wire RTDs?
A5: Yes, it supports 2-wire, 3-wire, and 4-wire RTD configurations.

Q6: Can multiple CP401-10 units be daisy-chained for power?
A6: No, each unit requires an independent 24V DC power supply to ensure proper isolation.