Chapter 14 Time Synchronization Function - Mitsubishi Electric MELSEC iQ-R Series User Manual

14
TIME SYNCHRONIZATION FUNCTION
This function synchronizes time between this product (Windows) and the CPU module (CPU No.1) when configuring a
multiple CPU system.
By synchronizing time with the CPU module (CPU No.1), the whole system can be managed with
synchronized time. This enables this product to troubleshoot errors easily according to the occurrence time.
Time synchronization setting
To synchronize time, set "Time Synchronization Setting" to "Synchronize."
[CPU Parameter]  [Operation Related Setting]  [Time Setting]  [Time Synchronization Setting with Multiple CPU
(PLC No.1)]
Window
Displayed items
Item
Time Synchronization Setting
When setting "Time Synchronization Setting" to "Do not Synchronize," the time of this product will be different
from that of a programmable controller system. This causes a time mismatch between the event history and
the system which may result in inconsistency in error occurrence time. (Page 148 When not
synchronizing time)
When setting time synchronization, the "Date & time" setting on Windows of this product is as follows:
Time "Date & time" on Windows
synchronization
Current date and time
setting
Do not synchronize Windows time
Synchronize Synchronizes with multiple CPU (CPU
No.1)
Description
Set whether to 'Synchronize' or 'Do not Synchronize' the time of the
Windows part with the time of the CPU module of PLC No.1.
If 'Synchronize' is set, the time of the Windows part is changed to the
time of the CPU No.1.
If 'Do not Synchronize' is set, the time of the Windows part will not be
changed.
Time zone
Time zone of Windows
Synchronizes with the time zone of multiple
CPU (CPU No.1)
Setting range Default
• Do not Do not Synchronize
Synchronize
• Synchronize
Adjust for daylight saving time
automatically
Complies with time zone
OFF
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