Precautions For Programming - Panasonic FP7 Series Additional Functions Manual

2.4 Precautions for Programming


Programs which are not executed correctly
Do no write the following programs as they are not executed correctly.
Example 1) When X101 is ON prior to X100, Y100 does not turn on even when X100 turns
ON.
X100
X101
X102
Example 2) TMX16X0 activates when X101 turns on regardless of whether X0 is on or off.
X100
X101
X102
Example 3) When X102 is ON prior to X100, Y101 does not turn on even when X100 turns
ON.
X100
X101
X102
ANS X103

When a combination of contacts are set as the trigger (execution condition) of a differential
instruction (DF) or timer instruction, do not use ANS instruction, RDS instruction, or POPS
instruction.

Examples in which the above programs are rewritten
ANS
DF
ANS
TM16X
U30
0
PSHS
DF
2.4 Precautions for Programming
Y100
Y100
Y100
Y101
2-9