ABB ControlMaster CM10 User Manual page 50

ControlMaster CM10, CM30 and CM50
Universal process controllers,
...Input/Output / ...Digital I/O / ...Digital IO 1(to 6)
Polarity
Positive
Negative
Relays
Relay 1 (to 4)
Source
Polarity
Positive
Negative
48
1 1 1
/ , / and / DIN
8 4 2
Sets the polarity of the output signal.
For an output, the output is high if the source is active.
For an input, the input is active if a high signal is detected.
For an output the output is high if the source is inactive.
For an input, the input is active if a low signal is detected.
Selects the digital signal to be assigned to the relay – see Appendix A, page 80 for
description of sources.
Sets the polarity of the relay.
The relay is energized if the source is active.
The relay is energized if the source is inactive.
7 Advanced Level
IM/CM/B–EN Rev. H