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(4) Clock data cannot be set by SNTP
If the clock data cannot be set by SNTP, refer to the following.
If the clock data cannot be set by SNTP even after taking the above actions, the possible cause is a failure of the
connected device.
Check the items described in Page 290, Section 15.3.4 (3).
Check item Corrective action
The time setting function does not operate. (Check "Ethernet
Diagnostics" or the special register (SD1270).)
Check the following on the time setting function.
• SNTP is set to be used.
• Input of the SNTP server IP address is correct.
• Input of each executing condition is correct.
• Input of a time zone is correct.
The time setting is failed. (Check "Ethernet Diagnostics" or
the special register (SD1270).)
• Make sure the CPU parameter is normal.
• Make sure the specified SNTP server operates normally.
For the multiple CPU system: CPU module for which the time
is set is not No. 1.
Set the time for the CPU module No. 1.
The CPU module parameter is not normal. Correct the parameter.
The time is overwritten from a program or another device. Remove overwriting from a program or another device.
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