Model PAD-5
1
Wiring and Configuring the PAD-5-MB
31
Siemens Industry, Inc.
A6V101030358_en--_c
Smart Infrastructure
Figure 13: Class A Wiring
CLASS A Topology
(Mixed Mode
– polarity insensitive and isolator
devices)
High Level Connection Diagram showing PAD-5-MB
as an Isolator device on XDLC loop
Siemens SLC Devices include polarity insensitive
Dets, TRIs, Pull Stations, Call Points, Conventional
Zone Modules, etc.
A maximum of 30 SLCs can be connected
between PAD-5s, or any other isolating devices
in the Class A loop.
PAD-5 is a polarity sensitive and isolating device.
XDLC
SLC
Device
SLC
Device
PAD-5
SLC
Device
SLC
Device
PAD-5
X DLC 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
1
X700
4
1
4
- +
6
1b+
1b+
5
BF+
BF-
B
E
L
L
F
O
L
L
O
W
E
R
X700
X600
BF - BF +
P
2
