D300717 1211 - BL20 I/O modules
6-19
Analog input module, 1AI, -10/0...+10 V DC
with tension clamp connection
BL20-S3T-SBB
BL20-S4T-SBBS
with screw connection
BL20-S3S-SBB
BL20-S4S-SBBS
6.4.5
Wiring diagrams
Figure 6-20:
2-wire sensor with
sensor supply via
base module
BL20-S4x-SBBS
Figure 6-21:
3-wire sensor with
sensor supply via
base module
BL20-S4x-SBBS
Figure 6-22:
4-wire sensor with
sensor supply via
base module
BL20-S4x-SBBS
I
23
22
21
13
12
11
24
14
+
-
Sh
23
22
21
13
12
11
24
14
U/I+
Sh
-
+
23
22
21
13
12
11
24
14
U/I +
-
U/I -
+
Sh
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