Mitsubishi Electric FR-A700 Instruction Manual page 221

Frequency inverter
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Parameter
Parameter
Func-
Name
tion
267
Refer to Pr. 73
268
Refer to Pr. 52
269
Parameter for manufacturer setting: Do not set!
Stop-on contact/load
torque high-speed fre-
270
quency control selec-
tion
High-speed setting
271
maximum current
Middle-speed setting
272
minimum current
Current averaging
273
range
Current averaging fil-
274
ter time constant
Stop-on contact/load
torque high-speed fre-
270
quency control selec-
tion
Stop-on contact excita-
275
tion current low-speed
multiplying factor
PWM carrier fre-
276
quency at stopon con-
tact
Tab. 6-1:
Parameter overview (41)
FR-A700 EC
Incre-
Initial
Setting
ments
Value
Range
0
1
1
0
2
3
0.1%
50%
0–220%
0.1%
100%
0–220%
0–400Hz
0.01Hz
9999
9999
1
16
1–4000
0
1
1
0
2
3
0–1000%
0.1%
9999
9999
0–9/
0–4 *
1
9999
9999
Description
Without stop-on contact control
and load torque high-speed fre-
quency control
Stop-on contact control
Load torque high speed frequency
control
Stop-on contact + load torque high
speed frequency control
Set the upper and lower limits of
the current at high and middle
speeds.
Average current during accelera-
tion from (Pr. 273 × 1/2)Hz to
(Pr. 273 )Hz can be achieved
Average current during accelera-
tion from (Pr. 5 × 1/2)Hz to
(Pr. 5)Hz is achieved.
Set the time constant of the pri-
mary delay filter relative to the
output current. (The time con-
stant [ms] is 0.75 × Pr. 274 and
the initial value is 12ms.)
A larger setting provides higher
stability but poorer response.
Without stop-on contact control
and load torque high-speed fre-
quency control
Stop-on contact control
Load torque high speed frequency
control
Stop-on contact + load torque high
speed frequency control
Usually set a value between 130%
and 180%.
Set the force (holding torque) for
stop-oncontact control.
No compensation.
Set a PWM carrier frequency for
stop-oncontact control.
(Valid at the output frequency of
3Hz or less.)
* The setting range differs
according to the inverter
capacity.
(01800 or less/02160 or more)
As set in Pr. 72 "PWM frequency
selection".
Parameter overview
All
Para-
Para-
para-
meter
meter
meter
copy
clear
Refer
clear
to
page
✔: enabled
—: disabled
6-257
6-509
6 - 41

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