Allen-Bradley 2-D Manual de usuario Pagina 92

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Programming
5-23
Advanced Setup Group (continued)
[
DC Hold Vol
t
s
]
Parameter # 13 Factory Default 0 Volts
[
DC Hold Vol
t
s
]
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
En
a
bl
e]
Parameter # 11 Factory Default ‘‘Disabled”
[
D
B
En
a
bl
e]
Parameter Type Read & Write
This parameter enables the use of external dynamic brake
re i er i a i e i er a ram re a i .
Units Text
Settings
‘‘Enabled”
Permits dynamic brake operation
re
s
i
st
er
s by d
i
s
a
bl
i
ng th
e
i
nt
er
n
a
l
ram
p
re
gul
a
t
i
on
.
Important: Dynamic braking is not available for 0.37 - 0.75
kW (0.5 - 1HP) units rated 230 Volt.
‘‘Disabled”
Permits Ramp Regulation
[M
o
t
o
r
T
y
pe]
Parameter # 41 Factory Default ‘‘Induc/Reluc”
[M
o
t
o
r
T
y
pe]
Parameter Type Read & Write
Factory default for this parameter is an induction motor.
Ch
a
ng
i
ng th
i
s p
arame
t
er
to “Sync P
M”
c
a
us
e
s
Units Text Settings ‘‘Induc/Reluc”
Requires No Additional Setting for use with
induction/reluctance rated motors
Ch
a
ng
i
ng th
i
s p
arame
t
er
to “Sync P
M”
c
a
us
e
s
[Compensation] and [Rated Slip] to be internally
disabled.
‘‘Sync PM”
Requires [Stop Select] to be set to a selection other
than ‘‘DC Brake” when used with Synchronous
Permanent Magnet Motors
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