7 APPLICATION INSTRUCTION
7.19 Clock instruction
593
7
The date data A, B, and C are compared.
• The following table lists the comparison operation results between A, B, and C. Even when the data are compared under
the same conditions, the results differ depending on the comparison target data.
• Even though the specified date does not exist, the comparison operation is performed in accordance with the conditions in
the following table as long as the date data are within the valid range.
There is no operation error.
: Continuity, : Non-continuity
Comparison target data Condition
A<B B<C A<C
Day 
Month 
Month, day 
Year 
Year, day 
Year, month 
Year, month, day 
None 
• Date A: 2006/02/30 (Even though the date does not exist, this date can be set.)
• Date B: 2007/03/29
• Date A: 2008/02/31 (Even though the date does not exist, this date can be set.)
: Continuity, : Non-continuity
Comparison target data Condition
A<B B<C A<C
Day 
Month 
Month, day 
Year 
Year, day 
Year, month 
Year, month, day 
None 
A
(2006/9/22)
B
(2007/6/23)
C
(2008/8/8)
2009/1/12008/1/12007/1/12006/1/1
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