Omron CP - PROGRAMMING MANUAL 05-2007 Programming Manual page 141

Sequence Input Instructions
TR0 to TR15 output
Duplication
3-2-12 NOT: NOT(520)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Description
Flags
Precautions
Example
108
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.
0.00 0.01
0.10 0.11
0.15
Reverses the execution condition.
NOT(520)
Variations Reverses the Execution Condition Each Cycle
Immediate Refreshing Specification
Block program areas
OK OK
NOT(520) is placed between an execution condition and another instruction to
invert the execution condition.
There are no flags affected by NOT(520)
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).
NOT(520) reverses the execution condition in the following example.
0.00 0.01
0.02
100.00
0.02
100.01
0.03
100.02
0.04
to
110.00
0.12
110.01
0.13
110.02
0.14
110.03
1.00
110.04
1.01
Step program areas Subroutines
OK
100.00
Section 3-2
NOT(520)
Not supported
Interrupt tasks
OK