The BK8000 Bus Coupler usess the physics of the RS485 (V.24) specification for data transmission. Application of the Bus Coupler with a serial interface is suited to those cases in which the use of a fieldbus system can be omitted.
Rockwell Allen Bradley 2080-L70E-24QWB Micro 870 EtherNet/IP System with Base Unit and Plug-in Options, (14) 24V AC/DC Digital Inputs, (10) Digital Relay Outputs, 24V DC Power