Siemens Simatic S7-400

Networking
5-9
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Terminating Resistor on the Bus Connector
on
off
Terminating
resistor
switched off
on
off
Terminating
resistor
switched on
Terminating Resistor on the RS 485 Repeater
DC
24
V
L+ M PE M 5.2
A1 B1A1B1
A2B2A2B2
SIEMENS
RS 485 REPEATER
ON
ON
Terminating resistor
for bus segment 1
Terminating resistor
for bus segment 2
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