turck BL20 Series - 8.5.3 Wiring diagram

Analog Input Modules
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128
 with screw connection
BL20-S3S-SBB
BL20-S4S-SBBS
8.5.3 Wiring diagram
2-wire measurement:
Fig. 134: Wiring diagram BL20-S3x-SBB
3-wire measurement:
Fig. 135: Wiring diagram BL20-S4x-SBBS
ii
23
22
21
13
12
11
I+
I+
I-
I-
23
22
21
13
12
11
2414
S+ S+
ii
I+
I+
I- I-