Mitsubishi Electric fr-e700 series, Instruction Manual

Page: 177 / 608

Parameter Parameter overview
FR-E700 SC EC/ENE 6 - 23
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
Incr
ease c
ooling
fan life
244
Cooling fan operation
selection
1 1
0
Operates at power on
Cooling fan on/off control invalid
(The cooling fan is always on at power on.)
✔ ✔ ✔
6-317
1 Cooling fan on/off control valid
Slip c
ompensa
tion
245 Rated slip 0.01% 9999
0–50% Used to set the rated motor slip.
✔ ✔ ✔
6-43
9999 No slip compensation
246
Slip compensation time
constant
0.01 s 0.5 s 0.01–10 s
Used to set the response time of slip
compensation. When the value is made
smaller, response will be faster. However, as
load inertia is greater, a regenerative
overvoltage (E.OV
첸
) error is more liable to
occur.
✔ ✔ ✔
247
Constant-output region slip
compensation selection
1 9999
0
Slip compensation is not made in the
constant output range (frequency range
above the frequency set in Pr. 3)
✔ ✔ ✔
9999
Slip compensation is made in the constant
output range.
Gr
ound fault det
ec
tion
249
Earth (ground) fault detection
at start
1 0
0 Without ground fault detection
✔ ✔ ✔
6-173
1 With ground fault detection
Selec
tion of mot
or st
opping method
250 Stop selection 0.1 s 9999
0–100 s
The motor is
coasted to a stop
when the preset
time elapses after
the start signal is
turned off.
STF signal:
Forward rotation start
STR signal:
Reverse rotation start
✔ ✔ ✔
6-105
1000–1100 s
The motor is
coasted to a stop
(Pr. 250 1000) s
after the start
signal is turned
off. STF signal:
Start signal
STR signal:
Forward/reverse signal
8888
When the start
signal is turned
off, the motor
decelerates to
stop.
STF signal:
Start signal
STR signal:
Forward/reverse signal
9999
STF signal:
Forward rotation start
STR signal:
Reverse rotation start
Tab. 6-1: Parameter overview (23)
GP
MFVC
GP
MFVC
GP
MFVC
V/FV/FV/F