8043 Sercos detect configuration

Description

The Sercos configuration is being detected. During the detection, a scan is processed.

The table shows the meaning of Ext. diagnosis:

Ext. diagnosis	Meaning
Start	Configuration scanning started.
Position	The physical address of the instance in the Sercos loop and the device type is shown (for example, instance `SLAVE1` Pos=03). If the device type cannot be determined, then `Type=yyy` is eliminated.
End	Configuration scanning was stopped.
No slaves	No Sercos slaves found.
Duplicate	There are several devices with the same address in the Sercos loop. The additional `xxx` indicates the loop position in which the last device with a duplicate address was found.