INFICON Helium Leak Detector Modul1000 - Manual (Page 101)

Technical Data
9-13
jinb
80
e1
-h
Op
er
at
in
g M
a
nua
l
(1
01
1)
9.5 Pin Assignments
9.5.1 PLC IN / AUDIO
All inputs are electrically isolated by opto-couplers.
Fig. 9-2 External circuitry, e.g. PLC with external voltage supply unit.
Item Description
1 External, active loudspeaker
1
4
3
2
6
5
8
7
9
10
11
13
12
14
F3
+24V
GND
GND 24V
+24V
AUDIO OUT
GND 24V
24V
+
-
PIN
GND
1
SPG GND