Terminating Resistor On Bus Connector; Terminating Resistor On Rs 485 Repeater - Siemens SIMATIC S7-400 Installation Manual

Terminating Resistor on the Bus Connector
Figure 5-3 Terminating resistor on bus connector
Terminating Resistor on the RS 485 Repeater
Figure 5-4 Terminating resistor on RS 485 repeater
Automation System S7-400 Hardware and Installation
A5E00850741-01
Terminating
resistor
switched on
DC
24
V
Terminating
resistor
on
switched off
off
L+ M PE M 5.2
A1 B1 A1 B1
ON
ON
SIEMENS
RS 485-REPEATER
A2 B2A2 B2
Networking
on
off
Terminating resistor
for bus segment 1
Terminating resistor
for bus segment 2
5-9