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F254-F255
Direct Access Parameter Information
W7B ASD Installation & Operation Manual
Motor Shaft Fixing Control
Program Protection DC Braking
This parameter Enables/Disables a continuous DC injection at half of the
amperage setting of
F251
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 F250.
Settings:
0 — Disabled
1 — Enabled
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
100
Direct Access Number — F254
Parameter Type — Selection List
Factory Default — Disabled
Changeable During Run — Yes
Direct Access Number — F255
Parameter Type — Selection List
Factory Default — Standard (DC
Injection Braking)
Changeable During Run — No
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