126
P9 ASD Installation and Operation Manual
DC Injection Braking Time
Program
Protection
DC Braking
This parameter setting is used to set the on-time duration of the
DC Injection
Braking
.
Direct Access Number — F252
Parameter Type —
Numerical
Factory Default —
1.0
Changeable During Run —
Yes
Minimum — 0.0
Maximum — 20.0
Units — Seconds
Forward/Reverse DC Injection Braking Priority
Program
Protection
DC Braking
This parameter setting determines if
DC Injection Braking
is to be used during
a change in the direction of the motor.
Settings:
0 — Disabled
1 — Enabled
Direct Access Number — F253
Parameter Type —
Selection List
Factory Default —
Disabled
Changeable During Run —
Yes
Motor Shaft Fixing Control
Program
Protection
DC Braking
This parameter
Enables/Disables
a continuous DC injection at half of the
amperage setting of
into a stopped motor. This feature is useful in
preheating the motor or to keep the rotor from spinning freely.
Motor Shaft Stationary Control
starts after the DC injection brake stops the
motor and continues until
ST
–
CC
is opened, power is turned off, an
Emergency Off
command is received, or this parameter is changed.
Enabling this feature will also require a non-zero entry at
.
Settings:
0 — Disabled
1 — Enabled
Direct Access Number — F254
Parameter Type —
Selection List
Factory Default —
Disabled
Changeable During Run —
Yes
0 Hz Command Output
Program
Special
Special Parameters
This parameter is used to set the go-to-zero method to be used by the ASD in
the event that the ASD is commanded to go to zero Hz.
Settings:
0 — Standard (DC Injection Braking)
1 — 0 Hz Command
Direct Access Number — F255
Parameter Type —
Selection List
Factory Default —
Standard (DC
Injection Braking)
Changeable During Run —
No
Time Limit For Lower-Limit Frequency Operation
Program
Fundamental
Frequency Settings
This parameter sets the time that the ASD is allowed to operate below the
Lower-Limit
setting before an alarm and subsequent fault is incurred.
Direct Access Number — F256
Parameter Type —
Numerical
Factory Default —
0.0
Changeable During Run —
Yes
Minimum — 0.0
Maximum — 600.0
Units — Seconds
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Страница 3: ...Document Number 64054 004 February 2013 P9 ASD Installation Operation Manual TM ...
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Страница 280: ...270 P9 ASD Installation and Operation Manual Figure 38 See Tables 17 and 18 for Actual Dimensions ...
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Страница 285: ...P9 ASD Installation and Operation Manual 275 Figure 43 See Table 18 for the associated device Dimensions are in in cm ...
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