Orbit Merret OM 502 User Manual page 9

Example connection of 3-wire sensor with voltage signal output powered by instrument's excitation
Supply (+)
Output (+)
GND (-)
1 2 3
-
INSTRUMENT CONNECTION 3.
+
-
+
-
14 15 16 17
Excitation
Supply (+)
INSTRUCTIONS FOR USE OM 502 | 9
INPUT - U
Output (+)
GND