Mitsubishi Electric fr-e700 series, Instruction Manual

Page: 159 / 608

Parameter Parameter overview
FR-E700 SC EC/ENE 6 - 5
Func-
tion
Parameter
Name
Incre-
ments
Initial
Value
Setting
Range
Description
Para-
meter-
Copy
Para-
meter
Clear
All
Para-
meter
Clear
Refer
to
Page
Rela
te
d
Paramet
ers
✔
: Enabled
—: Disabled
Stall pr
ev
en
tion oper
ation
22
Stall prevention
operation level
0.1% 150%
0
Stall prevention operation selection
becomes invalid.
✔ ✔ ✔
6-44
0.1–200%
The stall prevention operation level can be
set.
23
Stall prevention operation
level compensation factor at
double speed
0.1% 9999
0–200%
The stall operation level can be reduced
when operating at a high speed above the
rated frequency.
✔ ✔ ✔
9999 Constant according to Pr. 22
48
Second stall prevention
operation current
0.1% 9999
0 Second stall prevention operation invalid
✔ ✔ ✔
0.1–200%
The stall prevention operation level can be
set.
9999 Same level as Pr. 22.
66
Stall prevention operation
reduction starting frequency
0.01 Hz 50 Hz 0–400 Hz
Set the frequency at which the stall
operation level is started to reduce.
✔ ✔ ✔
156
Stall prevention
operation selection
1 0 0–31/100/101
Pr. 156 allows you to select whether to use
stall prevention or not according to the
acceleration/deceleration status.
✔ ✔ ✔
157
OL signal output timer 0.1 s 0 s
0–25 s
Set the output start time of the OL signal
output when stall prevention is activated.
✔ ✔ ✔
9999 Without the OL signal output
277
Stall prevention operation
current switchover
1 0
0
When the output current exceeds the limit
level, output frequency is limited to limit
current. The inverter rated current is the
reference to the limit level.
✔ ✔ ✔
1
When the output torque exceeds the limit
level, output frequency is limited to limit
current. The rated motor torque is the
reference to the limit level.
—
24
–
27
Refer to Pr. 4 to Pr. 6
Ac
celer
ation/
dec
eler
ation pa
tt
ern
29
Acceleration/deceleration
pattern selection
1 0
0 Linear acceleration/deceleration
✔ ✔ ✔
6-77
1 S-pattern acceleration/deceleration A
2 S-pattern acceleration/deceleration B
Selec
tion of r
egener
ation unit
30
Regenerative function
selection
1 0
0
Brake unit FR-BU2,
High power factor converter FR-HC,
Power regeneration common converter FR-CV
✔ ✔ ✔
6-103
1 High-duty brake resistor FR-ABR
2
High power factor converter FR-HC
(when an automatic restart after
instantaneous power failure is selected)
70
Special regenerative brake
duty
0.1% 0% 0–30%
Set this parameter when a high duty brake
resistor or power regeneration converter is
used.
✔ ✔ ✔
Tab. 6-1: Parameter overview (5)