Siemens SIMATIC ET 200AL, System Manual

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Functions
5.9 Device replacement without exchangeable medium
PROFINET with STEP 7
Function Manual, 05/2021, A5E03444486-AL
243
Failure and replacement of an IO device
The following example describes device replacement without exchangeable medium in the
case of failure of an IO device.
Figure 5-91 Example configuration of device replacement without exchangeable medium
For the device replacement, the following information is available to the IO controller:
PROFINET device Device alias
Controller "port-001.Switch"
Switch "port-002.Controller", "port-001.Press", "port-001.Pump"
Press "port-002.Switch", "port-001.Mill"
Mill "port-002.Press"
Pump "port-004.Switch"
The IO device with the device name "Mill" fails in this example:
Requirement
The PROFINET device replacing the removed one has no device name.