Principle of 24V wiring
24
Building Technologies
001260_k_en_--.doc
Fire Safety & Security Products
02.2005
5.3 Cascading
principle
7
6
E3C011
-
-
K1
5
4
+
+
3
2
+
+
16
15
14
13
20
19
18
17
7
6
E3C011
-
-
K1
5
4
+
+
3
2
+
+
16
15
14
13
20
19
18
17
7
6
E3C011
-
-
K1
5
4
+
+
3
2
+
+
16
15
14
13
20
19
18
17
B2F020
+
-
B2F020
+
-
Battery 1
max. 42Ah
Mains
Battery 5
max. 42Ah
Battery 4
max. 42Ah
Battery 3
max. 42Ah
Only necessary if
the E3C011 are
not used as I-Bus
participants
Battery 2
max. 42Ah
7
6
E3C011
-
-
K1
5
4
+
+
3
2
+
+
16
15
14
13
20
19
18
17
E3X10.
K1
6
5
-
-
4
3
+
+
20
19
18
17
*
*
jumpers 2 - 3 only with E3C010
Supply modules
12V
12V
8
9
10
X17
12V
12V
8
9
10
X17
12V
12V
8
9
10
X17
12V
12V
12
13
14
X17
12V
12V
8
9
10
X17
S
ta
n
dard power s
u
pply
*
*
*
Auxiliary power s
u
pply operating in p
arallel
4th
e
x
te
ns
ion
3r
d exten
s
io
n
2nd
ext
en
s
io
n
1
st
ext
e
ns
io
n
Te
rmin
al bl
o
ck
X
17
Mains