Mitsubishi Electric FX1N 422 BD, RS 422 User's Manual

Mitsubishi Electric FX1N 422 BD, RS 422 manual cover

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Year 2015

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Mitsubishi Electric FX1N 422 BD, RS 422 Specification

The Mitsubishi Electric FX1N 422 BD is an RS-422 communication board designed to enhance the functionality of the FX1N series PLCs by providing robust serial communication capabilities. This module allows for seamless integration into systems requiring RS-422 serial communication, enabling data exchange with various external devices, such as HMIs, printers, and other PLCs. The FX1N 422 BD supports a data transfer rate of up to 19.2 kbps, ensuring efficient data handling for industrial automation tasks. It is equipped with a communication port that supports full-duplex transmission, allowing simultaneous sending and receiving of data.

The module is engineered to provide reliable communication over long distances of up to 1.2 kilometers, making it suitable for extensive industrial environments. Installation is straightforward, as the FX1N 422 BD is designed to be directly mounted onto the FX1N PLC base unit, maintaining a compact system footprint. Furthermore, its design ensures compatibility with the Mitsubishi Electric programming software, facilitating easy configuration and integration into existing systems.

The FX1N 422 BD utilizes a 5-pin terminal block for connection, which simplifies wiring and maintenance. It is powered directly from the PLC base unit, eliminating the need for additional power supplies or complex wiring schemes. This module is ideal for applications where robust and reliable communication is essential, including factory automation, process control, and remote monitoring. Overall, the Mitsubishi Electric FX1N 422 BD provides an effective solution for enhancing the communication capabilities of the FX1N PLC series, enabling greater flexibility and integration in industrial automation environments.

Mitsubishi Electric FX1N 422 BD, RS 422 F.A.Q.

How do I connect the Mitsubishi Electric FX1N 422 BD to a PC?

To connect the FX1N 422 BD to a PC, use an RS-422 cable. Ensure the PC has an appropriate RS-422 interface or use a converter if necessary. Connect the cable to the BD board and configure the communication parameters on your software to match the PLC settings.

What are the basic steps for troubleshooting communication issues with FX1N 422 BD?

First, check all physical connections and ensure cables are not damaged. Verify that the communication settings (baud rate, parity, stop bits) match on both devices. Use diagnostic tools to check for signal integrity and refer to the PLC error codes for specific troubleshooting guidance.

How can I reset the FX1N 422 BD board if it fails to communicate?

To reset the board, power down the PLC and remove the FX1N 422 BD module. Wait for a few minutes, reattach the module securely, and power the PLC back up. This can help reset any temporary faults.

What maintenance practices should be followed for the FX1N 422 BD?

Regularly inspect the board for dust and debris and clean using compressed air. Check all connections for corrosion or wear, and ensure cables are not frayed. Periodically verify that firmware and software are up to date.

How do I update the firmware on the FX1N 422 BD?

To update the firmware, download the latest version from Mitsubishi Electric's official website. Connect the FX1N 422 BD to a PC using the RS-422 interface, and use the provided utility software to upload the new firmware. Follow the on-screen instructions carefully.

What is the maximum communication distance for the RS-422 interface on the FX1N 422 BD?

The maximum communication distance for RS-422 is approximately 1200 meters. However, the actual distance may vary based on cable quality and environmental conditions. Use proper shielding to minimize interference over long distances.

Can I use the FX1N 422 BD with other PLC models?

The FX1N 422 BD is specifically designed for use with Mitsubishi Electric FX1N PLCs. Compatibility with other PLC models is not guaranteed, and attempting to use it with unsupported models may result in communication failures.

How do I configure the communication parameters for the FX1N 422 BD?

Communication parameters can be configured using the PLC programming software. Access the communication settings menu, and set the baud rate, data bits, stop bits, and parity to match the requirements of your system.

What should I do if the FX1N 422 BD is not recognized by the PLC?

Ensure the module is correctly seated in its slot and that all connections are secure. Confirm that the module is enabled in the PLC configuration settings. If the problem persists, try using a different cable or port to rule out hardware issues.

How can I test the FX1N 422 BD for proper functionality?

Perform a loopback test by connecting the transmit and receive pins together. Send a test signal from the PLC and check if it is received correctly. Use diagnostic software to monitor the signal and verify correct operation.