ABB ControlMaster CM15 User Manual page 39

ControlMaster CM15
Universal process indicator
...Input/Output
Digital I/O
Digital IO 1 (2)
Type
Off
Output
Volt Free
24 Volt
TTL
Output Source
IM/CM/I–EN Rev. D
1
/ DIN
8
Sets the Digital IO to operate as an output or an input.
No action taken.
The Digital IO operates as an output.
High input detected when volt free switch across input is closed.
Digital input low < 5V, high > 11V (maximum input 30 V).
Digital input low < 0.8V, high > 2V.
Selects the digital signal to be assigned to the output – see Appendix A.1, page 76 for
description of sources.
7 Advanced Level
37