FX3U-485-BD RS-485 Communication Expansion Board Installation Manual

This manual provides installation, specification, and safety information for the Mitsubishi FX3U-485-BD RS-485 communication expansion board, designed for use with FX3U and FX3UC Series PLCs. It covers part names, dimensions, wiring, terminal resistor settings, communication functions (N:N network, parallel link, computer link, non-protocol, inverter communication), and applicable standards, including EC Directive compliance.