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7.6 System Setting
7.6.2 Setting items in Time synchronization setting
7
MES INTERFACE FUNCTION CONFIGURATION TOOL
7.6.2 Setting items in Time synchronization setting
Make the time setting for the MES interface module.
The time used in the MES interface module is obtained from the SNTP server computer or
programmable controller CPU (CPU No.1 in the case of a multiple CPU system).
To synchronize the time between the MES interface module and other devices on
the network, using the time on the SNTP server computer is recommended.
(1) When [Synchronize with PLC CPU time] is selected
When the [Synchronize with PLC CPU time] radio button is selected, the time is
adjusted to the time of CPU No.1.
The timing is as follows:
• When powering ON the programmable controller from OFF
• When resetting the programmable controller CPU
• Once a minute
(2) When [Synchronize with SNTP] is selected
(a) When the [Synchronize with SNTP] radio button is selected, the time is adjusted
to the time of the SNTP server computer on the network.
The timing is as follows:
• When powering ON the programmable controller from OFF
• When resetting the programmable controller CPU
• Once a minute
(b) When [Synchronize with SNTP] is selected, set the following items.
Figure 7.21 [Time synchronization setting]
Table 7.23 Setting items when [Synchronize with SNTP] is selected
Item Description
SNTP server address
(required)
Enter the IP address of the SNTP server or NTP server in decimal
notation. (Default: No setting)
Time zone (required)
Select a time zone used for time synchronization.
(Default: GMT+09:00 (Japan Standard Time))
Daylight saving setting
Configure the daylight saving time settings.
(Default: No setting)