1020
7 APPLICATION INSTRUCTIONS
7.25 Clock Instructions
• 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.
*1 In FBD/LD, ENO ON indicates continuity and ENO OFF indicates non-continuity.
• If the LDTM_ instruction is used in the program written in FBD/LD, use a left rail or a variable/constant which is always on
for EN.
• If the ORTM_ instruction is used in the program written in FBD/LD and EN is set to TRUE, ENO turns on. EN will not be
an execution condition.
There is no operation error.
Comparison target data Condition
*1
A<B B<C A<C
Second Continuity Non-continuity Non-continuity
Minute Non-continuity Continuity Non-continuity
Minute, second Non-continuity Continuity Non-continuity
Hour Continuity Continuity Continuity
Hour, second Continuity Continuity Continuity
Hour, minute Continuity Continuity Continuity
Hour, minute, second Continuity Continuity Continuity
None Non-continuity Non-continuity Non-continuity
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