Westermo RM-115S - Manual (Page 15)

115S Serial I/O Module User Manual
man_115S_1.14.docx Page 15
Figure 2-7: Connection for single-ended current inputs. Transducers may be
externally powered or powered by the 115S +24V loop supply.
Note:
- The module is configured at the factory for this type of input
- To change the input configuration, refer to section 4.4
WARNING !
Ensure correct DIP switch positions AND software configuration has been
completed for each analogue input BEFORE connecting external signals to the
115S-12 module.
V-
AIN1
AIN2
AGND
115S-12 Module
ALS +24V
Loop powered
sensor
Externally powered
sensor
+ -
+
-