turck BL20 Series - 12.4.4 Base modules; 12.4.5 Wiring diagram

Technology Modules
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12.4.4 Base modules
 with tension clamp connection
BL20-S4T-SBBS
 with screw connection
BL20-S4S-SBBS
12.4.5 Wiring diagram
Fig. 284: Base module BL20-S4T-SBBS
Fig. 285: Wiring diagram BL20-S4×-SBBS in RS422 operation
Fig. 286: Wiring diagram BL20-S4×-SBBS in RS485 operation
24
23
22
21
14
13
12
11
RxD+
Data In
Data Out
TxD-
TxD+
RxD-
SHLD
GND GND
SHLD
24
23
22
21
14
13
12
11
Data In
Data Out
TxD-/RxD-/N
TxD+/RxD+/P
SHLD
GND GND
SHLD
TxEnable