ABB XR8981V3
ABB XR8981V3 Optional ram backup battery Fieldbus interface replacement card fi830f/fi820f/fi810f Fieldbus interface cards are divided into several types according to different protocol standards. Each interface card provides – a fieldbus interface (PROFIBUS, Can, FF, MODBUS, etc.). The configuration and parameter settings of the interface card itself and the field instrument (or remote i1/0) on…