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11.3.3 Wiring diagram
1 The potential free contacts 11 and 14 or 21 and 24 can be used directly.
2 In addition to that, the following wiring diagrams show different possibilities for a common power
supply of the connected loads.
With externally connected supply and cross-connected root:
Fig. 231: Wiring diagram BL20-S4x-SBBS
bridged in the electronics
‚cross-connection via jumper in the base module
Fig. 232: Block diagram BL20-S4x-SBBS
a
b
23
Ö
0
W
0
11
14
22
13
21
24
Ö
1
W
1
12
R2
Elektronik-
modul
R1