ProSoft Technology BM-1000-PM1K - Manual (Page 24)

Wiring Diagrams
Page 24 of 36 ProSoft Technology, Inc.
June 10, 2015
5.2 Digital Module
(BM-D100-144 Shown)
Use Solid / Stranded (AWG) 28-12 Wire Gauge
Digital I/O Module does not share a common ground with RS485 Module. All inputs and
outputs on I/O Modules provide field isolation.
If input sensor is powered from the same source as RS485 Module, be sure to
establish a common ground, otherwise sensor will not work properly.