FX2N-8EX-ES/UL RS-232 5mA Mitsubishi PLC Expansion Module 8 Digital I/O

FX2N-8EX-ES/UL RS-232 5mA Mitsubishi PLC Expansion Module 8 Digital I/O. The FX2N-8EX-ES/UL is an expansion module for Mitsubishi Electric’s FX Series PLCs, specifically designed to provide additional digital input and output (I/O) capabilities. This module features 8 digital input/output channels and utilizes RS-232 communication for connection with the PLC. Here’s a detailed guide on this expansion module and its usage:

FX2N-8EX-ES/UL Module Overview:

1. Digital Inputs and Outputs:
   • The FX2N-8EX-ES/UL module provides a total of 8 points:
     • 8 digital inputs (24V DC sink/source selectable)
     • 8 digital outputs (relay type, 2A per point)
2. Communication Interface:
   • The module communicates with the PLC via an RS-232 interface.
   • RS-232 is used for serial communication, allowing the PLC to control and monitor the module’s I/O points.
3. Compatibility:
   • Compatible with Mitsubishi Electric’s FX3G, FX3U, and FX3UC Series PLCs.
   • Ensure compatibility with your specific PLC model and system requirements.

Installation and Setup:

1. Physical Installation:
   • Power off the PLC and any connected devices.
   • Insert the FX2N-8EX-ES/UL module into an available slot in the PLC base unit.
   • Securely mount the module using the provided mounting brackets.
2. Wiring Connections:
   • Connect external devices (sensors, switches, actuators, etc.) to the digital input and output terminals on the FX2N-8EX-ES/UL module.
   • Ensure correct polarity and voltage levels according to the module’s specifications.
3. RS-232 Connection:
   • Use an appropriate RS-232 communication cable to connect the FX2N-8EX-ES/UL module to the RS-232 port on the PLC.
   • Ensure that the cable is securely connected and properly configured.

Programming and Configuration:

1. PLC Configuration:
   • Use Mitsubishi’s GX Works2 or GX Developer software to configure the PLC program.
   • Add the FX2N-8EX-ES/UL module to the PLC configuration.
   • Define the digital input and output points associated with the module in the PLC program.
2. Programming I/O Points:
   • Write ladder logic or program instructions to read from or control the digital input and output points connected to the FX2N-8EX-ES/UL module.
   • Map the input and output addresses in the PLC program to correspond with the physical wiring of external devices.

Testing and Operation:

1. Testing Inputs:
   • Apply signals (e.g., from switches or sensors) to the digital input channels.
   • Monitor the PLC program to ensure that the input signals are correctly detected and processed.
2. Testing Outputs:
   • Activate output commands in the PLC program to control the digital output channels.
   • Verify that connected devices (e.g., relays, indicators) respond as expected to output commands.

Safety Precautions:

• Ensure that all wiring connections adhere to safety standards and local regulations.
• Power off the PLC and equipment before installing or removing the FX2N-8EX-ES/UL module or making any wiring adjustments.
• Double-check the compatibility of the FX2N-8EX-ES/UL module with your specific PLC model to avoid compatibility issues.

By following these steps and guidelines, you should be able to effectively integrate and utilize the FX2N-8EX-ES/UL expansion module with your Mitsubishi FX Series PLC system, expanding its digital I/O capabilities and enabling control and monitoring of external devices through RS-232 communication. Refer to the module’s user manual and PLC programming software documentation for detailed instructions and troubleshooting assistance.

Product Manual