Mitsubishi Electric FR-F820-00077 Instruction Manual page 523

Parameters
● When using the cleaning function for the purpose of periodic maintenance in such applications
that require continuous pump operation for a long time, use a time trigger. The time trigger is
enabled by setting a time period before starting the cleaning operation in Pr. 1479 "Cleaning time
trigger". The timer starts when the timer starting condition is satisfied, and the cleaning operation
is performed at a time interval set in Pr. 1479.
● Starting conditions of the timer for a time trigger
– When the start command turns ON
– When the cleaning ends
Y215
Output
frequency
Fig. 5-158:
Cleaning operation by the cleaning signal (X97 signal)
● When the X97 signal is assigned to an input terminal, the cleaning operation can be finished when
the cleaning signal (X97) is turned from ON to OFF.
● For the X97 signal input, set "97" in any of Pr. 178 to Pr. 189 to assign the function.
Pr. 1470 setting
0
Other than 0
Tab. 5-166: Finishing the cleaning operation with cleaning signal (X97)
FR-F800
STF
ON
Start command ON trigger
ON
0 Hz
Cleaning
operation
(Pr. 1470 = Once)
Starting conditions of the timer for a time trigger
X97 signal
Assignment
Optional
Not assigned
Assigned
Time trigger
ON
Pr. 1479 Pr. 1479
Normal Cleaning
operation operation operation
(Pr. 1470 = Once)
Cleaning
operation
ON/OFF
Optional Invalid
— Enabled
OFF Invalid
ON Enabled
(A) Application parameters
Time trigger
ON
Normal Cleaning Normal
operation operation
(Pr. 1470 = Once)
Cleaning end condition
—
After cleaning is performed for the
number of times set in Pr. 1470
—
After cleaning is performed for
the number of times set in
Pr. 1470
When X97 signal turns OFF
Time
I003039E
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