Mitsubishi FR-A721-11K Instruction Manual page 111

Parameter List
Parameter
7
Acceleration time
8
Deceleration time
Acceleration/deceleration
20
reference frequency
Acceleration/deceleration
21
time increments
Second acceleration/
44
deceleration time
Second deceleration time
45
Third acceleration/
110
deceleration time
Third deceleration time
111
9
Electronic thermal O/L relay
Second electronic thermal
51
O/L relay
DC injection brake operation
10
frequency
DC injection brake
11
operation time
DC injection brake
12
operation voltage
Pre-excitation selection
802
Brake operation selection
850
13
Starting frequency
Holding time at a start
571
104
Incre
Name
ments
0.1/
0.01s
0.1/
0.01s
0.01Hz
1
0.1/
0.01s
0.1/
0.01s
0.1/
0.01Hz
0.1/
0.01Hz
0.01A
0.01A
0.01Hz 3/0.5Hz
0.1s
0.1%
1
1
0.01Hz
0.1s
Initial
Range
Value
Set the motor acceleration time.
0 to 3600/
5/15s * The initial value differs according to the inverter
*
360s
capacity. (7.5K or lower/11K or higher)
Set the motor deceleration time.
0 to 3600/
5/15s
* The initial value differs according to the inverter
*
360s
capacity. (7.5K or lower/11K or higher)
Set the frequency referenced as acceleration/
60Hz 1 to 400Hz deceleration time. Set the frequency change time
from stop to Pr. 20 for acceleration/deceleration time.
Increments: 0.1s
0
Range: 0 to 3600s
0
Increments: 0.01s
1
Range: 0 to 360s
0 to 3600/ Set the acceleration/deceleration time when the RT
5s
360s signal is on.
0 to 3600/
Set the deceleration time when the RT signal is on.
9999 360s
9999 Acceleration time = deceleration time
0 to 3600/ Set the acceleration/deceleration time when the X9
360s signal is on.
9999
9999 Function invalid
0 to 3600/
Set the deceleration time when the X9 signal is on.
360s
9999
9999 Acceleration time = deceleration time
Rated
inverter
0 to 500A Set the rated motor current.
current
Valid when the RT signal is on.
0 to 500A
Set the rated motor current.
9999
9999 Second electronic thermal O/L relay invalid
Operation frequency of the DC injection brake.
* The initial value changes from 3Hz to 0.5Hz when a
0 to 120Hz
control mode other than vector is changed to vector
*
control.
Operate when the output frequency becomes less
9999
than or equal to Pr. 13 Starting frequency.
0 DC injection brake disabled
0.5s 0.1 to 10s Operation time of the DC injection brake
8888 Operated while the X13 signal is on.
0 DC injection brake disabled
DC injection brake voltage (torque)
4/2%
*
0.1 to 30%
* The initial value differs according to the inverter
capacity. (7.5K or lower/11K or higher)
0 Zero speed control
0
1 Servo lock
0 DC injection brake
Zero speed control (under Real sensorless vector
1
0
control)
Magnetic flux decay output shutoff (under Real
2
sensorless vector control)
0.5Hz 0 to 60Hz Starting frequency
0.0 to 10.0s Holding time of Pr. 13 Starting frequency.
9999
9999 Holding function at a start is invalid
Description
The increments and
setting range of
acceleration/deceleration
time setting can be
changed.
Setting can be made under
vector control.