Omron CS1G/H-CPUxx-EV1 Programming Manual page 92

Precautions
56
Using Execution Results in N.C. and N.C. Inputs
The Condition Flags will pick up instruction B execution results as shown in
the example below even though the N.C. and N.O. input bits are executed
from the same output branch.
Incorrect
Use
Make sure each of the results is picked up once by an OUTPUT instruction to
ensure that execution results for instruction B will be not be picked up.
Correct
Use
Instruction A
Reflects instruction A execution
results.
Condition Flag
Example: =
Instruction B
Reflects instruction B execution
results.
Condition Flag
Example: =
Instruction A
Reflects instruction A
execution results.
Condition Flag
Example: =
Reflects instruction A
execution results.
Condition Flag
Example: =
Instruction B
Section 2-2