Mitsubishi MELSEC-A Series Programming Manual page 321

7. APPLICATION INSTRUCTIONS
Before
execution
CPU modules which have an LED indicator on the front panel
Performs the following actions:
(1) Resets the F number displayed at the CPU front.
(2) Resets the annunciator (F) stored in D9009.
(3) Resets D9009 and 9125 and shifts the F numbers of D9126 to 9132 to be
processed.
(4) Transfers the F number, which has been newly stored in D9125, to D9009.
(5) Reduces -1 from the data of D9124. However, when D9124 is 0, the data
remains 0.
(6) Displays the F number stored in D9009 at the LED indicator. (When D9124 is 0,
the F number is not displayed.)
Before
execution
execution
-1 is
reduced
After
execution
-1 is
reduced
7 − 119
MELSEC-A
After
Number of entered
F numbers
(annunciaor accumulator)
F number storage area
Since D9124 is 0, F
number is not displayed
at LED indicator.
Number of entered F
numbers (annunciator
accumulator)