
B–61863E/15
7. OPERATION (PMC–SB7)STEP SEQUENCE FUNCTION
1049
When an activated state remains set for longer than the specified time, the
state may be determined as being error. The elapsed time can be specified
for up to eight steps.
The following occurs when an activated state remains set for longer than
the specified time.
(1)”OVER” is displayed at the corresponding step number on the Step
Sequence State Screen.
(2)Execution of the ladder continues.
(3)The bit of address R9118 which corresponds with the monitoring timer
number is set to ON. The processes for the error status can be program
by the ladder.
Timer Number Corresponding address
1 R9118.0
2 R9118.1
3 R9118.2
4 R9118.3
5 R9118.4
6 R9118.5
7 R9118.6
8 R9118.7
(4)The following message is displayed on the PMC alarm screen.
”ER48 STEP SEQUENCE TIME OVER(xxH)”
”xx” displays the content of address R9118 in hexadecimal code.
7.3
TIME MONITOR
7.3.1
Time Monitor Function