RS-485 Communication Board FX3U-485-BD FX3U485BD for FX3U PLC PD17 Feature: Product Name : Communication Board; Fit : for Mitsubishi FX3U PLC; Model NO. : FX3U-485-BD External Connector Type : In Conformance to RS-485; Voltage : DC 5V; Current : 40mA Max.Transmission Distance : 15M; LED Indicators : SD, RD; Communication Method : Half-duplex Insulation : No Insulated; Material : Plastic, Metal Package Content : 1 x Communication Board,2 x Install Screw