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

Terminating Resistor on the Bus Connector
Terminating
resistor
switched on
Figure 5-3 Terminating resistor on bus connector
Terminating Resistor on the RS 485 Repeater
Figure 5-4 Terminating resistor on RS 485 repeater
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
Terminating
resistor
on
switched off
off
L+ M PE M 5.2
DC
24
V
A1 B1 A1 B1
Terminating resistor
ON
for bus segment 1
ON
Terminating resistor
SIEMENS
for bus segment 2
RS 485-REPEATER
A2 B2A2 B2
Networking
on
off
5-9