Chapter 4 CPU Function
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4.7 RTC Function
PLC option card for iS7 inverter series supplies RTC(Real Time Clock) module for the time-
scheduling control. Clock operation by the RTC function is continued with a super capacitor
when the CPU is powered off. The time of RTC is updated in every scan by operation
information of system flag.
4.7.1 Usage
1) Read/Setting of RTC data
1) Read RTC data
(1) Read RTC data from KGLWIN
-. Select Online –Write Information – Set PLC Clock in menu.
Following message box will be displayed.