Yaskawa MP900 Series Ladder Programming Manual Manual de usuario Pagina 118

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5.3 Numeric Operation Instructions
5.3.14 Spend Time (SPEND)
5-49
Instructions
5
Time data B is formatted as shown below.
Time data A is formatted as shown below.
If the operation result exceeds any of the data ranges given above, time data A is not updated, the seconds data is set to
9,999, and the status bit is set to 1 (ON).
If the operation result is within the ranges, the status bit is set to 0 (OFF).
A year is calculated as 365 days. Leap years are not supported.
The number of months is not calculated. Only the number of days is calculated.
( 3 ) Programming Example
The following table gives typical conditions for creating ladder programming that uses the SPEND instruction.
(The elapsed time between November 20, 2010, 02:10:50 and October 10, 2009, 00:50:20 is found.)
Offset Contents Data Range (BCD) I/O
0
Year (BCD) 0000 to 0099
IN
1
Month/day (BCD)
Upper byte (month): 01 to 12
Lower byte (day): 01 to 31
IN
2
Hour/minutes (BCD)
Upper byte (hour): 00 to 23
Lower byte (minutes): 00 to 59
IN
3
Seconds (BCD) 0000 to 0059
IN
Offset Contents Data Range (BCD) I/O
0
Year (BCD) 0000 to 0099
IN/OUT
1
Month/day (BCD)
Upper byte (month): 01 to 12
Lower byte (day): 01 to 31
IN/OUT
2
Hour/minutes (BCD)
Upper byte (hour): 00 to 23
Lower byte (minutes): 00 to 59
IN/OUT
3
Seconds (BCD) 0000 to 0059
IN/OUT
4
Total number of seconds
Operation result of years, months, days,
hours, minutes, and seconds converted
into seconds (double-length integer)
IN/OUT
5
INFO
Time A before Execution of Instruction Time B
Year
MW00000 = 0010 hex
(2010)
MW00006 = 0009 hex
(2009)
Month/day
MW00001 = 1120 hex
(November 20)
MW00007 = 1010 hex
(October 10)
Hour/minutes
MW0002 = 0210 hex
(2:10)
MW00008 = 0050 hex
(0:50)
Seconds
MW00003 = 0050 hex
(50 seconds)
MW00009 = 0020 hex
(20 seconds)
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