Mitsubishi PLC Programming Cable
Industrial USB to RS422 programming cable designed for Mitsubishi MELSEC FX series PLCs (including FX1N, FX2N, FX3U, FX0N, and FX1S), providing reliable PC-to-PLC communication for programming, debugging, and monitoring.

Key Features
- USB to RS-422 programming cable for Mitsubishi FX series PLCs
- Compatible with Mitsubishi FX1N, FX2N, FX3U, FX0N, and FX1S series
- Integrated USB to differential RS-422 converter chipset
- Supports standard serial baud rates from 300 bps to 250 kbps
- Integrated LED activity indicators for TX and RX communication diagnostics
- Industrial shielded cable with molded Mini-DIN 8-pin connector
- Bus-powered directly from USB host (no external power supply required)
- Plug-and-play driver support for Windows 10/11 and Linux
Ordering Information
| Product Code | Description |
|---|---|
| USB-SC09-FX | Mitsubishi PLC Programming Cable |
| USB-DVP-8PIN | Delta Plc Programming Cable DIN 8 |
| UC-RS485 | USB to RS485 Converter |
| UC-ISO-RS485 | USB to ISO RS485 Converter |
| UC-RS232 | USB to RS232 Converter |
Applications
- Industrial Automation & Process Control: Reliable signal interfacing and device connectivity across automated production lines.
- SCADA & PLC Integration: Seamless communication between field instrumentation and control systems.
- Control Panel Building: Compact 35 mm DIN rail mounting for clean and space-efficient cabinet wiring.
- OEM Equipment & Diagnostics: Robust electrical protection and standard industrial ratings.
Specifications
| Parameter | Value |
|---|---|
| Mounting Type | 35 mm DIN Rail Mounting |
| Dimensions | 60 mm x 50 mm x 20 mm (L x W x H) |
| Enclosure Material | Industrial ABS plastic |
| Operating Temperature | -10 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
Electrical Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage | 5V DC (Bus Powered) |
| Current Consumption | Low-power industrial design (< 50 mA) |
| Environmental Protection | IP54 / Industrial ABS Enclosure |
Wiring Details & Pinouts
Mini-DIN 8-Pin PLC Connector Pinout
| Pin | Signal | Direction | Description |
|---|---|---|---|
| 1 | RXD+ | Input | RS-422 Receive non-inverting data from PLC |
| 2 | RXD- | Input | RS-422 Receive inverting data from PLC |
| 4 | TXD+ | Output | RS-422 Transmit non-inverting data to PLC |
| 7 | TXD- | Output | RS-422 Transmit inverting data to PLC |
| 3 | GND | – | Signal Ground reference |
| Shell | SHIELD | – | Cable shield and chassis ground |
LED Indications and Diagnostics
| LED | Color | Status | Description |
|---|---|---|---|
| PWR | Red | ON | USB host power connected and active |
| TX | Green | Blinking | Transmitting program / upload data to PLC |
| RX | Red | Blinking | Receiving program / monitor data from PLC |
Mechanical Dimensions

Revision History
| Revision | Date | Description of Change |
|---|---|---|
| Rev 1.0 | 2026-09-09 | Initial datasheet release |
Get the latest version of this datasheet : click here..
Support
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Email: info@veawe.io