7
COMMUNICATION USING BUILT-IN ETHERNET
PORTS OF CPU MODULE
7.5 Time Setting Function (SNTP Client)
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POINT
1. Check the connection of the hub or the external device first when executing a
time setting operation at programmable controller power ON or CPU module
reset.
2. The time setting result details can be checked with the special registers
(SD1270 to SD1275).
3. Other time setting operations are ignored during execution of the time setting
function.
(2) Setting for time setting function
To use the time setting function, set the time on the screen activated from the Built-in
Ethernet port tab of PLC parameter in GX Developer.
• SNTP: Select whether to use the time setting function. (Required)
• SNTP server IP address: Specify the SNTP server IP address. (Required)
• Time zone:
Specify the time zone in which the time is to be synchronized. (Required)
Default is set to Japan Standard Time "GMT + 9:00".
• Execute time setting at turn ON/reset:
Select whether to execute the time setting function when the programmable
controller is powered ON or when the CPU module is reset.
• At error occurrence:
Select whether to stop or continue when a time setting error occurs when the
programmable controller is powered ON or when the CPU module is reset.
• Execution interval:
Select to execute the time setting function at a specified time interval.
• Execution time:
Select to execute the time setting function at a specified time.
(Either of the two options must be selected.)
Figure 7.22 Time settings screen
