1
Model PAD-5
Wiring and Configuring the PAD-5-MB
32
Siemens Industry, Inc.
A6V101030358_en--_c
Smart Infrastructure
CLASS B Topology
High Level Connection Diagram showing PAD-5-MB
as a Class B device on XDLC loop
Siemens SLC Devices include polarity insensitive
Dets, TRIs, Pull Stations, Call Points, Conventional
Zone Modules, etc.
All NACs provided by all PAD-5s on this circuit
must serve a single notification zone.
A
maximum of 30 SLCs can be connected between
PAD-5s, or any other isolating devices along the
Class B circuit.
PAD-5 is a polarity sensitive and isolating device.
Figure 14: Class B Wiring
XDLC
SLC
Device
PAD-5
SLC
Device
PAD-5
SLC
Device
XDLC Card
PAD-5
PAD-5
5
6
7
8
13
14
15
16
ONE SLOT OF CC-5
21
22
23
24
TO 24VDC FROM THE PSC-12
DO NOT USE
+
+
-
-
+
+
-
-
1
2
3
4
9
10
11
12
17
18
19
20
24V+
24V-
+
-
+
-
+
-
+
-
SLC
Device
4
1
4
1
+
-
6
1b+
1b+
5
BF+
BF-
B
E
L
L
F
O
L
L
O
W
E
R
X700
X600
BF- BF+
P
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