Technology Modules
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396
Base modules
with tension clamp connection
BL20-S4T-SBBS
with screw connection
BL20-S4S-SBBS
Wiring diagram
Diagnostic data can be written into the process image (depending on the parameterization)
Isolation voltage
U
TMB
(module bus /RS232) Max. 500 V
eff
U
field
(field voltage/ RS232) Max. 500 V
eff
Fig. 277: Base module BL20-S4T-SBBS
Fig. 278: Wiring diagram BL20-S4x-SBBS
Technical Data
24
23
22
21
14
13
12
11
TxD
RxD
GND
SHLD
RT S
CTS
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