IDEC VF1A-RS485 RS-485 Communication Card, Doesa VF1A Series. This Card provides two RJ-45 Connectors for Multi-Drop Connection. $96.36 Select
Weg CFW500-CRS485-B RS485 Communication Plug-in Module, CFW500 Communication Module: RS485 Card: 2 RS485, 4 DI, 2 AI, 1 AO, 2 DOR, 1 DOT, 10VDC, 24VDC for CFW500 Drives $86.37 Select