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23-03-2009
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Connection for RS232 communication.
4.2
Input module (B versions only)
Warning
The sockets on the input module must
NEVER
be
connected to voltages exceeding 5V for the TC/RTD
sockets and 45V for the mA/V sockets proportional to
ground.
Thermostats must not be connected to any other
voltage sources during test
Description of sockets for external connections
F
ig. 6
7
6
5
4
3
2
1
8
Ref. Input
V
mA Pas.
mA Act.
45V MAX
Switch Test
5V MAX
TC
+
-
+
-
+
-
+
-
+
-
.
.