Examples For Topology; Topology With Rs485 Repeater - Siemens SIMATIC ET 200AL System Manual

2.2.4

Examples for topology

2.2.4.1

Topology with RS485 repeater

Configuration options with the RS485 repeater
You can operate the RS485 repeater in the following configurations:
Figure 2-7
Figure 2-8
Figure 2-9
①
②
PROFIBUS with STEP 7 V13
Function Manual, 12/2014, A5E03775446-AC
Segment 1 and segment 2 connected to RS485 repeater
Segment 1 and segment 2 looped-through to RS485 repeater
Segment 1 connected to RS485 repeater and segment 2 looped-through to RS485
repeater
Connect terminating resistor
Do not connect terminating resistor
2.2 Structure of PROFIBUS networks
Description
35