17
3. CONNECTION TO CONTROL UNITS
The drawings in this section show you how to connect the PAD-3 to compatible Siemens control units.
See control unit owners manual for more information.
6789
2
1
3
Input 1
5
4
Input 2
PAD
-
3
AUX
18
NAC
12
Trouble
Relay
NAC
10 11 15
14
13
NAC
NAC
17
16
+-
19
-
+
-
+
-
+
-
P/N 140-820405
24K EOL
Class B
SMB-2, MMB-2
2.2K 1/2W EOL
P/N 140-820380
Polarized
Notification
Appliances
+
-
Supervised
Notification
Circuits
Note:
3 ohm max. total line resistance
of Notification Appliance Circuit
connecting wire.
TB5-4
TB5-3
TB5-2
TB5-1
+
-
TB7-4
TB7-3
TB7-2
TB7-1
MMB-3
Polarized
Notification
Appliances
AC Fail
2120
Figure 3-1. Connection to MXL, MXL-IQ