3.5 CONNECTION EXAMPLES
Continuous pneumatic level control
PLC
Connection example between the 8175 level transmitter 18-32VDC and the 8630 Top
Control mounted on a diaphragm valve 2031.
8175
INSTALLATION
Jumper
+ +
1 2
7 8
21
1
2
3
4
+
-
(*)
24 V=
+
-
- -
- -
- -
+ +
+ +
3 4
5
6
9
10
(*) If direct earthing is impossible, connect a
100 nF/50 V-condensator between the negative termi-
nal of the power supply and the earth.