86
ADV200
WA • Functions description and parameters list
rent injection phase continues at least for the time set in parameter
3156 DC brake duration
.
If the command is an impulse longer than the time set with
3156 DC brake duration
, the direct current injec-
tion phase continues for as long as the command is present.
In
“OnCmd & AtStop”
modes the direct current injection phase is executed when one of the two conditions
described in the
“At Stop”
or
“On Command”
modes is present.
Menu
PAR
Description
UM
Type
FB BIT
Def
Min
Max
Acc
Mod
22.3.3 3154 DC brake delay
s
FLOAT
0.5
0.01
30.0
ERW VS
This parameter is used to configure the delay in seconds between the moment DC braking is requested and
the moment direct current injection starts. This delay enables the motor to demagnetise, and thus avoid an
overcurrent due to the electromotive force of the motor (e.f.m.).
The value of this parameter, added to parameter 3156
DC brake duration
, must be lower than the value of
parameter 1006
Speed 0 disable dly
, otherwise direct current injection will stop when the drive is disabled.
Menu
PAR
Description
UM
Type
FB BIT
Def
Min
Max
Acc
Mod
22.3.4 3156 DC brake duration
s
FLOAT
1.0
0.01
30.0
ERW VS
This parameter is used to configure the duration of direct current injection in the stator windings.
The value of this parameter, added to parameter 3154
DC brake delay
, must be lower than the value of pa-
rameter 1006
Speed 0 disable dly
, otherwise direct current injection will stop when the drive is disabled.
Menu
PAR
Description
UM
Type
FB BIT
Def
Min
Max
Acc
Mod
22.3.5 3158 DC brake current
perc FLOAT
50.0
0.0
150.0
ERW VS
This parameter is used to configure the value of the injected direct current.
It is expressed as a percentage of the drive continuous current (PAR
488 Drive cont current
).
Menu
PAR
Description
UM
Type
FB BIT
Def
Min
Max
Acc
Mod
22.3.6 3160 DC brake state
ENUM 16
Non active
0
1
ER
VS
The status of direct current braking is displayed.
0
Non active
1
Active
Note !
During the direct current injection phase the
Enable
command should not be enabled. If the
Enable
command is sent to the
drive, the ramp output starts following the set reference; direct current output is produced in any case. The moment the
DC
braking cmd
is removed there is immediately a speed step without performing a change in the ramp.
During the direct current injection phase, for the
Jog
command follow the instructions provided for the
Enable
command.
Содержание ADV200 WA
Страница 84: ...84 ADV200 WA Functions description and parameters list 22 3 FUNCTIONS DC BRAKING ...
Страница 274: ...274 ADV200 WA Block Diagrams G Block Diagrams System Diagrams Index Drive overview ...
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