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FX3U-485ADP-MB

The FX3U-485ADP-MB is a RS-485 communication adapter for Mitsubishi FX3U/FX3UC Series PLCs, enabling Modbus RTU protocol communication with sensors, drives, and other industrial devices. This compact adapter plugs directly into the PLC’s communication port, providing seamless integration with Modbus networks without requiring additional wiring space.

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Key Features
1. Modbus RTU Compatibility
Supports Modbus RTU master/slave modes

Baud rates: 9,600 to 115,200 bps (configurable)

Data format: 7/8-bit, even/odd/no parity

2. Plug-and-Play Design
Direct connection to FX3U/FX3UC PLCs (no external power required)

Compact size: 43(W) × 80(H) × 27(D) mm

DIN rail or panel mountable

3. Robust Communication
RS-485 differential signaling (noise-resistant up to 1,200m)

Terminating resistor switch (110Ω, for network stability)

LED indicators for TX/RX monitoring

4. Easy Configuration
GX Works2 programmable (using RS/RS2 instructions)

Automatic address recognition (slave mode)

5. Wide Compatibility
Works with FX3U/FX3UC CPUs (firmware version 3.00 or later)

Connects to:

Energy meters (e.g., Mitsubishi EMU4-CT)

VFDs (e.g., FR-A800 inverters)

HMI/SCADA systems

Technical Specifications
Parameter Specification
Interface RS-485 (2-wire)
Protocol Modbus RTU (ASCII optional)
Isolation Non-isolated (PLC side)
Power Supply 5VDC (from PLC port, 50mA max)
Operating Temp. -20°C to 60°C