180
Sequence Input Instructions Section 3-3
TR0 to TR15 output
Duplication
A TR bit address cannot be repeated within the same block in a program with
many output branches, as shown in the following diagram. It can, however, be
used again in a different block.
3-3-12 NOT: NOT(520)
Purpose Reverses the execution condition.
Ladder Symbol
Variations
Applicable Program Areas
Description NOT(520) is placed between an execution condition and another instruction to
invert the execution condition.
Flags There are no flags affected by NOT(520).
Precautions NOT(520) is an intermediate instruction, i.e., it cannot be used as a right-hand
instruction. Be sure to program a right-hand instruction after NOT(520).
Example NOT(520) reverses the execution condition in the following example.
The following table shows the operation of this program section.
to
NOT(520)
Variations Reverses the Execution Condition Each Cycle NOT(520)
Immediate Refreshing Specification Not supported
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
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