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Parameter
Name
Encoder signal loss
376
detection enable/
disable selection
380 to 383
Refer to Pr. 29.
384 to 386
Refer to Pr. 291.
Position command
419
source selection
Command pulse scaling
420
factor numerator
Command pulse scaling
421
factor denominator
422
Position loop gain
Position feed
423
forward gain
Position command
424
acceleration/deceleration
time constant
Position feed forward
425
command filter
426
In-position width
Excessive level
427
error
Command pulse
428
selection
Clear signal
429
selection
Pulse monitor
430
selection
Digital position
control sudden stop
464
deceleration time
450
Refer to Pr. 71.
451
Refer to Pr. 80.
453, 454
Refer to Pr. 80.
455 to 463
Refer to Pr. 82.
Incre
Initial
Range
ments
Value
0
Signal loss detection is invalid
1
0
Signal loss detection is valid
When the cable of the encoder signal is
broken during encoder feedback control,
1
orientation control, or vector control, signal
loss detection (E.ECT) is activated to stop the
inverter output.
Conditional position control function by
0
contact input
1
0
Conditional position pulse train command by
2
pulse train input from the JOG terminal
1
1
0 to 32767
Set the electronic gear.
Pr. 420 is a numerator and Pr. 421 is a
denominator.
1
1
0 to 32767
-1
-1
-1
Set the gain of the position loop.
1s
25s
0 to 150s
Function to cancel a delay caused by the
1%
0%
0 to 100%
droop pulses of the deviation counter.
Used when rotation has become unsmooth at
0.001s
0s
0 to 50s
a large electronic gear ratio (about 10 times or
more) and low speed.
Enters the primary delay filter in response to
0.001s
0s
0 to 5s
the feed forward command.
100
0 to 32767
The in-position signal (Y36) turns on when the
1 pulse
pulse
pulse
droop pulses become less than the setting.
A position error excessive (E.OD) occurs
0 to 400K
when the droop pulses exceed the setting.
1
40K
9999
Function invalid
0 to 2
Pulse train + sign
1
0
3 to 5
Pulse train + sign
Deviation counter is cleared at trailing edge
0
(at the moment when H level is changed to L
1
1
level)
1
eviation counter is cleared at L level
0
The cumulative
command pulse value
1
is displayed.
1
9999
2
The cumulative
feedback pulse value is
3
displayed.
4
The droop pulses are
monitored.
5
9999
Frequency monitor is displayed.
Set the time until the inverter stops when the
forward rotation (reverse rotation) command
0.1s
0
0 to 360.0s
is turned off with the position feed forward
function.
Description
Negative logic
Positive logic
FR-DU07(FR-PU04/
Description
FR-PU07)
display
Lower 4(5) digits
Upper 4(5) digits
Lower 4(5) digits
Upper 4(5) digits
Lower 4(5) digits
Upper 4(5) digits
Parameter List
All
Para
Param
param
meter
eter
eter
copy
clear
clear
: enabled
× : disabled
4
129

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