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S7-1200 and CP1242-7 time synchronization via GSM or GPRS

11/8/2015 6:17 PM	Rate (0)
fivecore Posts: 3 Rating: (0)	Dear Experts! I have an S7-1200 PLC with CP1242-7 communication module to send SMS. I need to use the exact time in my program, but there is no HMI, SCADA, PC or telecontrol server. How can I synchronize the CPU clock from the GSM or GPRS network? Thanks in advance!
fivecore Posts: 3 Rating: (0)
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11/10/2015 9:51 PM	Rate (0)
mindware Platinum Member Joined: 3/30/2011 Last visit: 1/7/2026 Posts: 740 Rating: (258)	Hello, look at this manual. pag.59-60 RDREC "read data record" instruction maybe can help-you. Best Regards
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