Other Properties Of The Cp 1242-7; Further Information - Siemens SIMATIC S7-1200 System Manual

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Communication processor and Modbus TCP

13.10 Industrial Remote Communication (IRC)

Other properties of the CP 1242-7

Other services and functions of the CP 1242-7

● Time-of-day synchronization of the CP via the Internet

You can set the time on the CP as follows:

– In "Telecontrol" mode, the time of day is transferred by the telecontrol server. The CP

– In "GPRS direct" mode, the CP can request the time using SNTP.

To synchronize the CPU time, you can read out the current time from the CP using a

● Interim buffering of messages to be sent if there are connection problems

● Increased availability thanks to the option of connecting to a substitute telecontrol server

● Logging the volume of data

The volumes of data transferred are logged and can be evaluated for specific purposes.

The CP manuals, associated documentation, and product information documents provide

detailed information:

● CP 1242-7 (http://support.automation.siemens.com/WW/view/en/45605894)

● CP 1243-7 LTE (https://support.industry.siemens.com/cs/ww/en/ps/15924)

● CP 1243-1 DNP3 (https://support.industry.siemens.com/cs/ww/en/ps/15938)

● CP 1243-8 IRC (https://support.industry.siemens.com/cs/ww/en/ps/21162)

● CP 1243-1 IEC (https://support.industry.siemens.com/cs/ww/en/ps/15942)

● Firmware updates as available

(https://support.industry.siemens.com/cs/ww/en/view/109482530)

uses this to set its time.

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK