Mitsubishi Electric QJ81DL96 User Manual page 408

11
FUNCTIONS OF CONFIGURATION TOOL (MODULE SETTINGS)
Example: For
Wait for start condition to be established
Start condition
Terminal condition
Established count
Count condition
Event
11
- 163 11.6 Event Logging Setting
11.6.8 Event setting (compound condition)
(b) Count condition when terminal condition is established
Counts the number of times the count condition was established from when the
start condition is established until the terminal condition is established (count
period).
The event occurrence condition is evaluated when the terminal condition is
established and the event occurs if true.
After that, the established count is reset when the terminal condition is established
and the next count starts.
The start, terminal, and count conditions are judged on the rise of the condition
establishment.
Event occurrence condition: Number of times the count condition is established
Event occurrence condition:
In the diagram below, the established count is 3 when the terminal condition is
established, fulfilling the occurrence condition.
The event occurs when the terminal condition is established.
True
False
True
False
True
False
Select from
(Established count)
Count period
1 2 3
Specified count
2 (specified count)
Wait for start condition to be established
Event occurs