Siemens SIMATIC ET 200AL System Manual page 263

2.3.2 Configuration control (option handling)
Properties
Configuration control allows you to prepare your distributed I/O system for future extensions
or options. Configuration control means that you can configure the planned maximum
configuration of your distributed I/O system in advance and vary it later in a flexible manner
by means of the user program.
Reference
You can find more information on configuration control
• In the system manual ET 200AL Distributed I/O System
(https://support.industry.siemens.com/cs/ww/en/view/89254965)
• On the Internet under the following link: Application collection
(https://support.industry.siemens.com/cs/ww/en/view/29430270).
• In the STEP 7 online help.
IM 157-1 DP (6ES7157-1AA00-0AB0)
Equipment Manual, 08/2021, A5E32100641-AE
Product overview
2.3 Functions
13