Xylem Magflux Electromagnetic Flow Meter - Manual (Page 123)

123
Electromagnetic Flow Meter
FW: 842018/842009
Appendix G. Digital Input/Output Connections
The digital in- and outputs, DI and DO, can be interconnected to exter-
nal equipment to achieve a number of functions such as alarms, counter
reset, flow direction indication, etc.
The two schematics below illustrate a simplified mode of operation.
DO1
COM
DI
MJK Field MagFlux
DO1
COM
DI
MJK Field MagFlux
External equipment
+
+
-
-
com = common (-)
com = common (+)
External equipment