Siemens SIMOTICS CONNECT 400 Operating Instructions Manual page 20

Commissioning
6.3 Establishing the connection to the connectivity module
Use the "Identify" function to check that you are connected with the required connectivity
module (Page 31).
Note
Length limitations of the BLE name
The BLE name is used to simply identify the device via Bluetooth. The length of the name is
restricted to 7 characters.
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SIMOTICS CONNECT 400
Operating Instructions, 07/2019