Delta DVP-ES2 User Manual download pdf (Page 499)

100

101

3. Instruction Set

3-383

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

z The 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.

z Flags and special registers for RTC

Device Content Function

M1016 Year display

mode of RTC

OFF: D1319 stores 2-digit year data in A.D.

ON: D1319 stores 2-digit year data in A.D + 2000

M1017

±30 seconds

correction on

RTC

Correction takes place when M1017 goes from OFF to

ON (Second data in 0 ~ 29: reset to 0. Second data in

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)

1 2 ... 494 495 496 497 498 499 500 501 502 503 504 ... 701 702

Delta DVP-ES2 User Manual Page 499

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