Siemens PAD-3 Installation, Operation And Maintenance Manual page 28

Distributed power module nac expander
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1
_
ALD
Loop
+
3.6K, 1/4W EOL
P/N 140-820185, or
470 ohm, 1/4W EOL
P/N 140-820164,
as applicable
To earth ground
Figure 3-8. Connection to TRI-B6R and TRI-R
Input 1
Input 2
AC Fail
2
3
4
5
6
7
3.6K 1/4W EOL
P/N 140-820185
1
3
2
TRI-B6R
1
2
3
4
5
Trouble
NAC
Relay
NAC
8
9
10 11
12
13
14
-
+
+
P/N 140-820405
24K EOL
4
5
6
7
8
8
7
TRI-R
6
24
PAD-3
NAC
NAC
AUX
15
16
17
18
19
20 21
+
-
- +
- +
-
Class B
Supervised
Notification
Circuits
To earth ground
Note:
Set TRI-B6R and TRI-R for
normally open trouble
causing operation.
_
ALD
Loop
+

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