Mitsubishi Electric FR-F820-00046 Instruction Manual page 265

The emergency drive function is available only for standard structure models and IP55 compatible models.
Pr.
523
Emergency drive mode
*1
selection
H320
524
Emergency drive
*1*2
running speed
H321
515
Emergency drive
*1
dedicated retry count
H322
Emergency drive
1013
running speed after
*1
H323
retry reset
514
Emergency drive
*1
dedicated waiting time
H324
136 MC switchover
A001 interlock time
Automatic switchover
139
frequency from inverter
A004
to bypass operation
57
Restart coasting time
A702
*1 The setting is available for the standard structure model and the IP55 compatible model.
*2 Set Pr.524 after setting Pr.523.
*3 When Pr.523 = "100, 200, 300, or 400", the emergency drive is activated regardless of the Pr.524 setting.
264
5. PARAMETERS
5.7 (H) Protective function parameter
Initial value
Name
FM CA
9999
9999
1
60 Hz 50 Hz
9999
1 s
9999
9999
Setting range
100, 111, 112,
121, 122, 123,
124,
200, 211, 212,
221, 222, 223,
224,
Select the operation mode of the emergency drive.
300, 311, 312,
321, 322, 323,
324,
400, 411, 412,
421, 422, 423,
424
9999 Emergency drive disabled.
Set the running frequency in the fixed frequency mode of the
*3
emergency drive (when the fixed frequency mode is selected
0 to 590 Hz
in Pr.523)
Set the PID set point in the PID control mode of the
*3
emergency drive (when the PID control mode is selected in
0 to 100%
Pr.523)
*3
Emergency drive disabled.
9999
1 to 200 Set the retry count during emergency drive operation.
Without retry count excess (no restriction on the number of
9999
retries).
Set the frequency for operation after a retry when any of
0 to 590 Hz E.CPU, E.1 to E.3, and E.5 to E.7 occurs during emergency
drive operation.
0.1 to 600 s Set the retry waiting time during emergency drive operation.
9999 The Pr.68 setting is applied to the operation.
0 to 100 s Set the operation interlock time for MC2 and MC3.
Set the frequency at which the inverter-driven operation is
switched over to the commercial power supply operation when
0 to 60 Hz
the condition for the electronic bypass is established during
emergency drive operation.
9999 Without automatic switchover
Coasting time differs according to the inverter capacity.
0
(Refer to page
Set the waiting time for the inverter to perform a restart after
0.1 to 30 s
restoring power due to an instantaneous power failure.
9999 No restart
Description
446.)