When Not Synchronizing Time - Mitsubishi Electric MELSEC iQ-R Series User Manual

Setting this product as CPU No.2, No.3, or No.4
When selecting "Synchronize" for "Time Synchronization Setting," this product synchronizes the time of the CPU No.1
module.
The time of a programmable controller system will be equal to the time of the CPU No.1 module.
Time information of the CPU No.1 module is added to target data as a time stamp.
Data to which time information (a time stamp) is added
Data to which a time stamp is added is as shown below:
System
Programmable controller system
Windows

When not synchronizing time

This product does not synchronize time with the CPU No.1 module when the following conditions are satisfied: this product is
set as CPU No.2, No.3, or No.4 and "Do not Synchronize" is selected for "Time Synchronization Setting."
When not synchronizing time, this indicates that two clock-times exist in a programmable controller system, one on the CPU
No.1 module and the other on Windows.
In this case, each piece of time information is added to target data as a time stamp.
Data to which time information (a time stamp) is added
Data to which a time stamp is added is as shown below:
System
Programmable controller system
Windows
Windows time can be set in 'Date and Time' on Windows.
14 TIME SYNCHRONIZATION FUNCTION
148
14.2 Multiple CPU System
Data to which a time stamp is added
• Event history
• Error history
Event log
Data to which a time stamp is added
• Event history
• Error history
Event log
Added time stamp
Windows time
(Time of the synchronized CPU No.1
module)
Added time stamp
Time of the CPU No.1 module
Windows time