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Mitsubishi Electric FR-F720P-0.75K Instruction Manual Page 96

Fr-f700p series.
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Parameter
Name
Motor brake and stop operation — DC injection brake (Pr.10 to Pr.12)
DC injection brake
10
operation frequency
DC injection brake
11
operation time
12
DC injection brake
V/F
V/F
V/F
operation voltage
S
S
S
MFVC
MFVC
MFVC
Under IPM motor control, the frequency is fixed at 0Hz even if Pr.11 ≠ "0."
*1
*2
Initial values differ according to the inverter capacity. (7.5K or lower/11K to 55K/75K or higher)
Acceleration/deceleration time/pattern adjustment — Starting frequency (Pr.13, Pr.571)
13
Starting frequency
571
Holding time at a start
V/F
V/F
V/F
S
S
S
MFVC
MFVC
MFVC
*
Performing IPM parameter initialization changes the settings.
V/F pattern setting — V/F pattern suitable for the application (Pr.14)
14
Load pattern selection
Frequency setting with terminals (contact input) — Jog operation (Pr.15, Pr.16)
15
Jog frequency *
Jog acceleration/
16
deceleration time
*
Performing IPM parameter initialization changes the settings.
Function assignment of external terminal and control — Logic selection of the output stop
signal (MRS) (Pr.17)
17
MRS input selection
18
Refer to Pr.1 and Pr.2.
19
Refer to Pr.3.
20, 21
Refer to Pr.7 and Pr.8.
Incre-
Initial
Range
ments
Value
0 to 120Hz
*1
0.01Hz
3Hz
9999
0
0.1s
0.5s
0.1 to 10s
0
0.1%
4/2/1%
*2
0.1 to 30%
0.01Hz
0.5Hz
0 to 60Hz
*
0.0 to 10.0s
0.1s
9999
9999
(Refer to page 43)
0
1
1
1
0.01Hz
5Hz
0 to 400Hz
*
0.1/
0 to 3600/
0.5s
0.01s
360s
(Refer to page 43)
0
2
1
0
4
Description
Set the operation frequency of the DC injection
brake.
Operate when the output frequency becomes
less than or equal to Pr.13 Starting frequency.
DC injection brake disabled
Set the operation time of the DC injection
brake.
DC injection brake disabled
Set the DC injection brake voltage (torque).
Starting frequency can be set.
If the set frequency is set higher than the start
frequency under IPM motor control, the output
starts at 0.01Hz.
Set the holding time of Pr.13 Starting frequency.
Holding function at a start is invalid
For constant-torque load
For reduced-torque load
Set the frequency for jog operation.
Set the acceleration/deceleration time for jog
operation. Set the time taken to reach the
frequency set in Pr.20 Acceleration/deceleration
reference frequency for acceleration/deceleration
time. (Initial value is 60Hz
)
*
In addition, acceleration/deceleration time
cannot be set separately.
Open input always
Normally closed input (NC contact input
specifications)
External terminal:Normally closed input
(NC contact input
specifications)
Communication: Normally open input
Parameter list
: enabled
× : disabled
V/F
V/F
V/F
5
89

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