Mitsubishi Electric FR-A820-00046 Instruction Manual page 803

Parameters
2 when the frequency is too low to obtain the regenerative energy or in other instances.
Fig. 5-296:
Action setting at undervoltage and power failure
● Set Pr. 261 to select the action at an undervoltage and power failure.
Pr. 261
Setting
0
1
2
11
12
21
22
Tab. 5-257: Setting of Pr. 261
FR-A800
Power supply
Output
frequency
Power-failure
deceleration
time switchover
frequency
Pr. 266
Parameters for stop selection at power failure
Power restoration
Action at undervoltage during deceleration at
and power failure occurrence of power
failure
Coasts to stop Coasts to stop
Deceleration stop
Re-acceleration
Deceleration stop
Deceleration stop
Re-acceleration
Deceleration stop
Re-acceleration
Pr. 264
Subtracted
Power-failure
frequency at
deceleration time 1
deceleration
start
Pr. 262
Deceleration stop time
—
According to Pr. 262 to
Pr. 266 setting
Automatic adjustment of
deceleration time
(A) Application parameters
Pr. 265
Power-failure
deceleration
time 2
Time
Undervoltage avoidance
function
—
Not used
Not used
With
With
Not used
Not used
I001173E
5 - 601