Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual Device Content Function, Rtc, Device Content Range

3. Instruction Set

Points to note:

1.There are two methods to correct built-in RTC: z Correcting by API167 TWR instruction

Please refer to explanation of instruction TWR (API 167) z Setting by peripheral device

Using WPLSoft / ISPSoft (Ladder editor)

2.Display 4-digit year data:

z D1319 only stores the 2-digit year in A.D. If 4-digit year data is required, please insert the following instruction at the start of program.

M1002

SET M1016 Display 4-digit year data

zThe original 2-digit year will be switched to a 4-digit year, i.e. the 2-digit year will pluses 2,000. If users need to write in new time in 4-digit year display mode, only a 2-digit year data is applicable (0 ~ 99, indicating year 2000 ~ 2099). For example, 00 = year 2000, 50 = year 2050 and 99 = year 2099.

zFlags and special registers for RTC

Device	Content	Function
M1016	Year display	OFF: D1319 stores 2-digit year data in A.D.
	mode of RTC	ON: D1319 stores 2-digit year data in A.D + 2000
M1017	±30 seconds	Correction takes place when M1017 goes from OFF to
	correction on	ON (Second data in 0 ~ 29: reset to 0. Second data in
	RTC	30 ~ 59: minute data pluses 1, second data resets)

Device	Content	Range
D1313	Second	0-59
D1314	Minute	0-59
D1315	Hour	0-23
D1316	Day	1-31
D1317	Month	1-12
D1318	Day (Mon. ~ Sun.)	1-7
D1319	Year	0-99 (two digit year data)

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