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...
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22.
PARAMETERS
Pr.30
Fl
Salting
the
regenantive
bnb
duly
ntlo
Selechng me regenerative brake
duiy
rafio
Setting
me
spwal
regenerative brake
duty
ram
setting
Pr.70
0
These parameters should be set when regenerative
brake is
used
frequently due to frequent starts and
stop.
In this case, since the brake resistor capacity
must
be
increased,
it
is necessary to use an optional
FR.A024/
=ning)
high-frequency brake resistor (Note
4).
the duty ratio),
set
the duty ratio (Note 1) for Pr.70.
M-I
range
for
%:“&for
0
(factory-
(Note
2)
0
Setting method: After setting
‘1“
for Pr.30 (changing
to
3.7K
AM-0.4K
0
to
30%
(note
3)
’
setting:
0%)
(factory-
2.
If
Pr.30
=
0,
Pr.70 is not displayed.
If
Pr.30
=
0,
the brake duty will be
3%
3.
If
the set value for Pr.70 should be increased, the value must
be
smaller than the
permissible brake duty ratlo (refer
to
page
94)
of the external brake resistor.
(MRS
or FR-ABR)
4.
Brake resistor cannot be connected
to
0.1
K
and
0.2K.
Because they have no brake
transistor.
d
CAUTION
A
Do
not set the brake duty above the permissible value of the brake resistor used, otherwise,
overheating may occur.
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71
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