Rockwell-automation 1305 AC Drive, Firmware 1.01-3.00 User Manual Manual de usuario Pagina 90

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Chapter 5 –Programming
5-22
Advanced Set Up Group (cont.)
[
DC H
old
Le
v
el
]
Parameter # 13 Factory Default 0 Volts
[
DC H
old
Le
v
el
]
Parameter Type Read & Write Minimum 0 Volts
This parameter value sets the DC voltage applied to the
motor during braking when the [Stop Select] is set to
either ‘‘DC Brake” or ‘‘Ramp”. IMPORTANT: When setting
this parameter, begin at a low voltage and continue
increasing until sufficient holding torque is achieved and
the drive output current rating is not exceeded.
Units 1 Volt Maximum 25% of Max. Drive Rated Volts
[
D
B
Ena
b
le
]
Parameter # 11 Factory Default ‘‘Disabled”
[
D
B
Ena
b
le
]
Parameter Type Read & Write
This parameter enables the use of external dynamic brake
ress ers IMPO TA T:Dy r gs v e
Units None
Settings
‘‘Enabled”
Permits dynamic brake operation
res
i
s
t
ers
.
IMPO
R
TA
N
T:
Dy
namic b
r
akin
g
i
s
not a
v
ailabl
e
for 1/2 through 1HP (0.37 to 0.75 kW) units rated 230 Volt.
‘‘Disabled”
Permits Ramp Regulation
[Mo
t
or
Type
]
Parameter # 41 Factory Default ‘‘Induc/Reluc”
[Mo
t
or
Type
]
Parameter Type Read & Write
This parameter should be set to match the type of motor
conn
e
ct
ed
to t
he
dr
i
ve
.
Units None Settings ‘‘Induc/Reluc”
Requires No Additional Setting for use with
induction/reluctance rated motors
conn
e
ct
ed
to t
he
dr
i
ve
.
‘‘Sync PM”
Requires [Stop Select] to be set to a selection other
than ‘‘DC Brake” when used with Synchronous
Permanent Magnet Motors
[
C
o
m
pen
s
a
ti
on
]
Parameter # 52 Factory Default ‘‘No Comp”
[
C
o
m
pen
s
a
ti
on
]
Parameter Type Read & Write
Some drive/motor combinations have inherent instabilities
which are exhibited as nonsinusoidal current feedback. The
compensation when enabled will correct this condition.
Compensation is only active at frequencies below 50 Hertz
where the problem is most pronounced.
Units None Settings ‘‘No Comp”
‘‘Comp”
Compensation Disabled
Compensation Enabled
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