Electric Connection - Microsensor MDM490 Operation Manual

MDM490 differential pressure transmitter has no movable mechanical
parts, the housing is welded， almost no need to repair. If the transmitter is fail to
work, the customer should contact with factory checking the reasons, and return
to factory for repair.
Caution： do not poke the pressure-leading hole with metal wire or something hard; and
do not press the diaphragm with finger or something sharp to protect the diaphragm.

4 Electric Connection

4.1 The transmitter is connected with the outside circuit through plug or
special cable.
The pin arrangements of socket are to see Fig.4, and pin definitions are as
follows：
Fig.4
The electric definitions of cable are as follow：
Cable
Black
Red
OV/+OUT
White
Table 1
2-wire
Pin
1
2 OV/+OUT
3
Table 2
2-wire
+V
Null
5
+V
Null
3-wire
+V
GND
+OUT
3-wire
+V
GND
+OUT