Siemens SIMATIC ET 200AL - 4 xCount Counter Parameters; Counter 0-3 Parameter Details (4 xCount)

Configuration control (option handling)
7.2 Configuring
Distributed I/O system
System Manual, 02/2018, A5E31861578-AF
55
Required steps
Enable the "Allow to reconfigure the device via the user program" parameter when
configuring the interface module.
● The parameter "Enable reconfiguration of device via user program" is located in the
properties of the interface module under "Module parameters" > "Configuration control".
Figure 7-2 Enabling configuration control using the IM 157-1 PN as an example