Contents

Contents
- Guidelines for the Safety
- Notes on the Symbols Used in this Manual
- 1. INTRODUCTION
- 2. EXTERNAL DIMENSIONS
- 3. CONNECTION WITH PLC
- 4. WIRING
  - 4.1 Wiring
  - 4.2 Using crimp terminations
- 5. INSTALLATION NOTES AND USAGE
  - 5.1 General specification
  - 5.2 Power supply specification
  - 5.3 Performance specification
- 6. ALLOCATION OF BUFFER MEMORIES (BFM)
  - 6.1 Buffer memories
  - 6.2 Status Information
- 7. SYSTEM BLOCK DIAGRAM
- 8. EXAMPLE PROGRAM
- 9. DIAGNOSTICS
  - 9.1 Preliminary checks
  - 9.2 Error checking
- 10. EMC CONSIDERATIONS
- JY992D65601G FX2N-4AD-PT A3 MANUAL
- JY992D65601G FX2N-4AD-PT A3 MANUAL

Mitsubishi Electric FX2N 4AD PT User's Guide

Mitsubishi Electric FX2N 4AD PT manual cover

Pages 8

Year 2015

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of 8

Mitsubishi Electric FX2N 4AD PT Specification

The Mitsubishi Electric FX2N-4AD-PT is an advanced analog input module designed for use with the FX2N series of programmable logic controllers (PLCs). Engineered to provide precise temperature measurement capabilities, this module is specifically tailored for use with platinum resistance temperature detectors (RTDs), including PT100 and PT1000 sensors. The FX2N-4AD-PT module features four independent analog input channels, allowing for simultaneous monitoring of multiple temperature points within a system. Each channel supports a temperature measurement range from -100°C to 600°C, ensuring versatility across various industrial applications.

The module's analog-to-digital conversion process utilizes a high-resolution 16-bit conversion technique, delivering accurate and reliable temperature data for critical process control tasks. It offers exceptional signal processing capabilities, with a conversion speed optimized for rapid and precise temperature readings. The FX2N-4AD-PT is designed to seamlessly integrate with the FX2N PLC series, ensuring straightforward installation and configuration through the use of Mitsubishi's intuitive programming software.

This module is housed in a compact and robust enclosure, designed to withstand challenging industrial environments. It supports a wide operating temperature range, ensuring reliable performance even in harsh conditions. The FX2N-4AD-PT's communication is facilitated through an efficient data exchange mechanism, enabling seamless data transfer between the module and the host PLC system.

Overall, the Mitsubishi Electric FX2N-4AD-PT analog input module provides a reliable and efficient solution for temperature monitoring and control in industrial automation systems. Its capability to interface with PT sensors and deliver high-precision data makes it a valuable component for applications requiring stringent temperature regulation and monitoring.

Mitsubishi Electric FX2N 4AD PT F.A.Q.

How do I connect the FX2N-4AD-PT module to the main PLC unit?

To connect the FX2N-4AD-PT module to the main PLC unit, ensure the PLC is powered off. Attach the module to the right side of the PLC base unit using the expansion bus connectors. Secure the module with screws to ensure a stable connection.

What are the steps to configure the input channels on the FX2N-4AD-PT?

Configure the input channels by setting the appropriate parameters in the PLC program. Use the TO and FROM instructions to specify the channel configuration data, including the type of sensor and input range, typically through the software interface provided by Mitsubishi Electric.

How can I troubleshoot incorrect temperature readings from the FX2N-4AD-PT module?

Check for loose connections and ensure the thermocouple is correctly wired. Verify the module settings match the thermocouple type and range. Inspect the program logic for errors and ensure the correct scaling factors are applied.

What maintenance practices should be followed for the FX2N-4AD-PT module?

Regularly inspect for dust and debris, ensuring the module is clean. Check all connections for security and corrosion. Periodically verify calibration against known temperature standards to ensure accuracy.

How do I update the firmware on the FX2N-4AD-PT module?

FX2N-4AD-PT modules typically do not require firmware updates. However, consult the Mitsubishi Electric technical support for any specific updates or procedures, if applicable.

What should I do if the FX2N-4AD-PT module does not power on?

Verify the power supply to the PLC and ensure the expansion bus connectors are properly seated. Check for blown fuses or tripped circuit breakers in the power supply circuit. Inspect the module for any visible damage or faults.

Is it possible to use the FX2N-4AD-PT module with other PLC brands?

The FX2N-4AD-PT module is specifically designed for Mitsubishi Electric PLCs. Compatibility with other brands is not guaranteed and may require additional interfacing hardware or software solutions.

Can I use the FX2N-4AD-PT module to read both thermocouple and RTD inputs simultaneously?

The FX2N-4AD-PT module can read either thermocouple or RTD inputs, but not simultaneously on the same channel. You need to configure the channels appropriately for the type of sensor being used.

How can I ensure the accuracy of temperature readings from the FX2N-4AD-PT?

Ensure proper sensor calibration and configuration. Use high-quality, compatible thermocouples or RTDs, and minimize electrical noise by using shielded cables and proper grounding techniques.

What are the environmental requirements for operating the FX2N-4AD-PT module?

The FX2N-4AD-PT module should be operated within a temperature range of 0 to 55°C and a humidity of 10 to 90% (non-condensing). Install in a clean, dry environment away from direct sunlight and corrosive gases.