Siemens SIMATIC ET 200AL System Manual page 267

3.3 Configuring PROFIBUS DP address and terminating resistor
Properties
Use the PROFIBUS address to specify at which address the ET 200AL distributed I/O system is
addressed on the PROFIBUS DP.
The PROFIBUS DP address is configured for the ET 200AL distributed I/O system with a rotary
coding switch on the front of the housing.
Requirements
The following requirements apply:
• Each address is only assigned once on the PROFIBUS DP.
• The configured PROFIBUS DP address must match the PROFIBUS address defined in the
configuration software.
• A change of the PROFIBUS DP address is only valid after POWER ON/POWER OFF on the
IM 157-1 DP interface module.
Required tools
You need the following tools to configure the PROFIBUS DP address:
• 14 mm socket wrench
• 2.5 mm screwdriver
IM 157-1 DP (6ES7157-1AA00-0AB0)
Equipment Manual, 08/2021, A5E32100641-AE
3.3 Configuring PROFIBUS DP address and terminating resistor
Wiring
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