Siemens SIMATIC S7-1200 CP 1242-7 V2 Application Example page 12

3 Function principle
3.2 Teleservice connection between remote station and engineering station
4. TeleService user name and password
For protection against an unauthorized access to the CP 1242-7 V2, the
TeleService user name and password are requested during the start-up of the
TeleService session.
If the teleservice connection request is validated, diagnostic and program data
can then be transferred between the remote station and the engineering
station. The process value communication is not affected by this.
TeleService with TCSB
Entry-ID: 56720905, V1.0, 10/2016
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