WX9 ASD Installation and Operation Manual
115
DC Injection Braking Time
Program
Protection
DC Braking
This parameter is used to set the on-time duration of the
DC Injection
Braking
.
Direct Access Number — F252
Parameter Type —
Numerical
Factory Default —
1.00
Changeable During Run —
Yes
Minimum — 0.00
Maximum — 10.00
Units — Seconds
Forward/Reverse DC Injection Braking Priority
Program
Protection
DC Braking
This parameter 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
DC Injection Braking Current
(
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. It 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
DC Injection
Braking Start Frequency
(
F250)
.
Settings:
0 — Disabled
1 — Enabled
Direct Access Number — F254
Parameter Type —
Selection List
Factory Default —
Disabled
Changeable During Run —
Yes
Select Function for 0Hz Command Stop
Program
Special
Special Parameters
This parameter selects the go-to-zero method to be used by the ASD when the
ASD is commanded to go to 0.0 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
Содержание WX9 ASD
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