Mitsubishi FX3G-232-BD RS-232C Communication Expansion Board
The Mitsubishi Electric FX3G-232-BD is a communication expansion
board designed for compatible MELSEC-F Series programmable logic
controllers. It provides an RS-232C serial interface for connecting
the PLC to compatible computers, HMI panels and other serial devices.
Key Features
- RS-232C serial communication interface
- 9-pin male D-Sub connector
- Full-duplex communication
- Supports programming communication
- Supports computer-link and non-protocol communication
- Powered directly by the PLC main unit
- Compact expansion-board design
Technical Specifications
| Manufacturer | Mitsubishi Electric |
|---|---|
| Model | FX3G-232-BD |
| Product Type | RS-232C Communication Expansion Board |
| PLC Family | MELSEC-F |
| Applicable PLCs | FX3S, FX3G, FX3GE, subject to compatibility |
| Interface | RS-232C |
| Connector | 9-pin male D-Sub |
| Communication Channels | 1 |
| Communication Mode | Full-duplex |
| Power Supply | 5V DC / 20mA from PLC main unit |
| Occupied I/O Points | 0 |
| Maximum Transmission Distance | 15m |
| Dimensions | 35 × 51.2 × 17.2mm |
| Approximate Weight | 0.02kg |
Applications
- PLC-to-PC serial communication
- HMI panel connectivity
- Barcode reader and printer integration
- Data exchange with compatible serial equipment
- PLC programming and maintenance communication
Compatibility Notice
Verify the exact PLC model, hardware revision, communication settings
and required cable before installation. This board uses an RS-232C
interface and does not provide Ethernet connectivity. The communication
line is not isolated from the PLC CPU.
Ordering Information
Contact Nexis Controls to confirm product availability, condition,
warranty and delivery details before ordering. Ensure that the supplied
unit is the FX3G-232-BD model.























