Purchase now: Mitsubishi FX3U-USB-BD Communication Board
Atlantechdrives provides the FX3U-USB-BD, a specialized internal expansion board for the MELSEC FX3U series PLC. This board is technically engineered to add a direct Mini-USB programming and monitoring interface to the front of the CPU, providing high-speed data transfer and easy access for maintenance engineers.
- Interface: USB 2.0 (Mini-B Connector)
- Compatibility: FX3U PLC Series exclusively
- Function: Programming, Monitoring, Data transfer
- Installation: Direct internal mounting (Top slot)
- Baud Rate: High-speed 12 Mbps (Standard USB)
- Isolation: Integrated electrical isolation
Technical Performance: High-Speed Diagnostics and Cabinet Convenience
Procure now the FX3U-USB-BD to simplify your machine commissioning and maintenance. This board is technically superior because it provides a second, high-speed communication path that does not interfere with the standard RS-422 port. This allows an HMI to stay connected to the PLC via RS-422 while a laptop is simultaneously used for real-time monitoring via the FX3U-USB-BD. When you secure the FX3U-USB-BD, you are acquiring a hardware solution that eliminates the need for expensive SC-09 RS-422 to RS-232 converters. It supports the full range of MELSOFT software (GX Developer, GX Works2), providing an instantaneous connection without complex COM port configurations. The board is designed with an internal isolation circuit that protects the PLC’s main logic board from electrical noise and surges that may originate from the programming PC.
Expert Tips: Port Configuration and Driver Setup
When installing the FX3U-USB-BD, ensure the PLC power is completely off. Once the board is seated in the top option slot, Windows will require the «Mitsubishi PLC USB Driver,» which is bundled with GX Works2. If you experience connection drops, check the USB cable length; we recommend a high-quality shielded cable under 3 meters for maximum signal integrity. Sourcing your FX3U-USB-BD from Atlantechdrives ensures you get a unit with a reinforced USB socket, which is essential for surviving years of repeated plug-in/unplug cycles in the field.
Maintenance and Hardware Resilience
The FX3U-USB-BD is a solid-state device and requires no specific maintenance other than ensuring the Mini-B port remains free of dust and debris. Always keep the protective plastic cover closed when the port is not in use. Sourcing an authentic FX3U-USB-BD from Atlantechdrives guarantees the hardware precision and deterministic communication required for 24/7 industrial service.
FAQs
Q: Does the FX3U-USB-BD work with FX3G PLCs?
A: No, this specific board is for the FX3U. The FX3G series has its own built-in USB port or requires the FX3G-422-BD for additional serial ports.
Q: Can I use this for Modbus communication?
A: No, the USB-BD is strictly for programming and monitoring using Mitsubishi protocols.
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