Siemens Simantic ET 200S Manual page 246

4 IQ-SENSE (6ES7138-4GA00-0AB0)
5.2 Parameters for the 4 IQ-SENSE
Operating principle
The diagram below explains the functioning of the synchronization group parameter:
Figure 5-1
Mutual interference is only possible between the sensors of the modules in slot 2 and 6,
because they are in the same synchronization group 1.
Note
Sensors in the same synchronization group must be installed to maintain the minimum
clearance (see sensor package insert) and to prevent mutual interference.
5-4
Synchronization group
Manual, Edition 10/2005, A5E00514527-01
ET 200S