Mitsubishi Electric FR-A701 Instrucion Manual page 132

Parameter
Name
286
Droop gain
Droop filter time
287
constant
Droop function
288
activation selection
Pulse train I/O
291
selection
Input pulse division
384
scaling factor
Frequency for zero
385
input pulse
Frequency for
maximum input
386
pulse
292, 293
Refer to Pr. 61.
—
294
Refer to Pr. 261.
—
299
Refer to Pr. 57.
—
Incre Initial
Range
ments Value
0 Droop control is invalid
Set the drooping amount at the rated
0.1% 0%
0.1 to
torque as a percentage with respect to the
100%
rated frequency.
Set the time constant of the primary delay
0.01s 0.3s 0 to 1s
filter applied to the torque current.
Real sensor less
vector /vector
control
Droop control is not
exercised during
acceleration/
deceleration.
0, 10 (When Pr.288 = 10,
droop compensation
amount is determined
using the motor
speed as reference.)
1 0
Droop control is
always exercised
during operation.
(with 0 limit)
1, 11 (When Pr.288 = 11,
droop compensation
amount is determined
using the motor
speed as reference.)
Droop control is
always exercised
2
during operation.
(without 0 limit)
0 JOG terminal
1 Pulse train input
10 JOG terminal
11 Pulse train input
20 JOG terminal
1 0
21
Pulse train input
100
Indicates division scaling factor to the input
pulse and the frequency resolution to the
1 0 0 to 250
input pulse changes according to the
value.
Set the frequency when the input pulse is 0
0.01Hz 0 0 to 400Hz
(bias).
Set the frequency when the input pulse is
0.01Hz 60Hz 0 to 400Hz
maximum (gain).
Parameter List
Description
Advanced
magnetic flux
vector control
Droop control is not
exercised during
acceleration/
deceleration.
Droop
compensation
amount is
determined using
the rated motor
frequency as
reference.
Input Output
FM output
FM output
Pulse train open
collector output
(50% duty)
Pulse train open
collector output
(ON width is always
same)
Pulse train open
collector output
(ON width is always
same
(independently of
Pr. 54))
All
Para Param
param
meter eter
eter
copy clear
clear
: enabled
× : disabled
×
4
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