LS Industrial Systems MASTER-K80S, Руководство пользователя

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Chapter 5 CPU Module
5-
３１
5.10 RTC Module
MK80S series supplies RTC(Real Time Clock) module for the time-scheduling control. To use RTC function with K80S series,
the RTC operation module should be attached to the expansion slot of main unit or expansion/special function unit. Clock
operation by the RTC function is continued with a battery or super capacitor when the CPU is powered off.
5.10.1 Structure
5.10.2 Usage
1) Clock Data
Clock data is the data comprised of year, month, day, hour, minute, second, and date.
Data name Description
Year 4 digits of the Christian Era
Month 1 to 12
Day 1 to 31 (A leap year is distinguished automatically)
Hour 0 to 23 (24 hours)
Minute 0 to 59
Second 0 to 59
0 Sunday
1 Monday
2 Tuesday
3 Wednesday
4 Thursday
5 Friday
Date
6 Saturday
2) Precision
Max. 1.728 second per day (general temperature)
Installation connector
Remark
1. The RTC data does not have factory default setting. Please write a correct RTC data before using RTC function
first time.
2. If unreasonable RTC data is written to the CPU, the RTC function may operate abnormally.
Example : 13 (month) 32 (day)