Operation Selection Function; Retry Function (Pr. 66 , Pr. 67 , Pr. 68 , Pr. 69 ) - Mitsubishi Electric FR-S520E Series Instruction Manual

2.10 Operation selection function

2.10.1 Retry function (Pr. 66
When any protective function (major fault) is activated and the inverter stops its
output, the inverter itself resets automatically and performs retries. Whether
retry is performed or not, alarms for retry, number of retries made and waiting
time can be selected.
When you have selected automatic restart after instantaneous power failure
(with speed search), restart operation is performed at the retry operation time
which is the same of that of a power failure. (Refer to page 101 for automatic
restart function.)
Parameter
66 Retry selection
Number of retries at alarm
67
occurrence
68 Retry waiting time
69 Retry count display erase
<Setting>
•Use Pr. 66 to select the protective functions (major faults) to be activated for retries.
Pr. 66
Setting OCT OVT THM THT
0
1
2
3
* Indicates the retry items selected. (OCT denotes any of OC1 to OC3 and OVT
any of OV1 to OV3.)
•Use Pr. 67 to set the number of retries at alarm occurrence.
Pr. 67 Setting
0
1 to 10
101 to 110
* If the retry count is exceeded, "
•Use Pr. 68 to set the waiting time from when an inverter alarm occurs until a restart in
the range 0.1 to 360s.
•Reading the Pr. 69 value provides the cumulative number of successful restart times
made by retry. The cumulative number of time is cleared when setting value "0" is
written.
Factory
Name
Protective Functions (Major Faults) for Retries
BE FIN
Number of Retries
Retry is not made.
1 to 10 times
1 to 10 times

Operation selection function

, Pr. 67 , Pr. 68
Setting
Setting Range
0 0 to 3
0, 1 to 10,
0
101 to 110
1s 0.1 to 360s
0 0
GF OHT OLT PE
Alarm Signal (ABC) Output
Not provided during retry operation *
Output every time
" (retry count over) is displayed.
111
, Pr. 69
Remarks
Setting is enabled when
Pr. 30 = "1"
PUE RET CPU OPT
⎯⎯⎯
)
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