Power Distribution Modules
Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com
48
with tension clamp connection
BL20-P3T-SBB-B
BL20-P4T-SBBC-B
with screw connection
BL20-P3S-SBB-B
BL20-P4S-SBBC-B
The base modules with or without power distribution to the gateways can be differentiated as fol-
lows:
Wiring diagram
NOTE
Only the modules BL20-P3x-SBB or BL20-P4x-SBBC (= first module to the right of the gate-
way) can be used to distribute power to the gateways. The Bus refreshing module is
placed directly right to the gateway.
A with power distribution to the gateway: light grey connection
B without power distribution to the gateway: yellow connection
Fig. 42: Assigning base modules
BL20-P3×-SBB with gateway power supply
BL20-P3×-SBB-B without gateway power supply
Fig. 43: Wiring diagram
B
A
23
22
21
13
12
11
–
+
–
+
24 V DC
Module bus supply
24 V DC
Field
supply
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