turck BL20 Series - 11.5.3 Wiring diagram

335
2020/09
11.5.3 Wiring diagram
The potential free contacts 11/12 and 14 or 21/23 and 24 can be used directly.
In addition to that, the following wiring diagrams show different possibilities for a common power
supply of the connected loads.
Fig. 248: Wiring diagram BL20-S4x-SBBS
Fig. 249: Block diagram BL20-S4x-SBBS
NOTE
Contact designations used for base modules are not designations of relay contacts
according to DIN.
24
23
22
21
14
13
12
11
NC
12
0
NO
11
0
RT
0
14
NO
21
0
NC
23
1
RT
1
24
Electronics
module
R11 R21
R12 R22