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F252 | F255 | |
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DC Injection Braking Time | Direct Access Number — F252 | |
Program ⇒ Protection Parameters ⇒ DC Braking | Parameter Type — Numerical | |
This parameter is used to set the | Factory Default — 1.00 | |
Changeable During Run — Yes | ||
Braking. | ||
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| Minimum — 0.00 | |
| Maximum — 10.00 | |
| Units — Seconds |
Motor Shaft Fixing Control
Program ⇒ Protection Parameters ⇒ DC Braking
This parameter determines if DC Injection braking is to be used during a change in the direction of the motor.
Settings:
Box checked (Enabled)
Box not checked (Disabled)
Direct Access Number — F253
Parameter Type — Check Box
Factory Default — Disabled
Changeable During Run — Yes
Motor Shaft Stationary Control
Program ⇒ Protection Parameters ⇒ 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 and continues until ST – CC is opened, power is turned off, receiving an Emergency Off command, or this parameter is changed.
Enabling this feature will also require a
Settings:
Box checked (Enabled)
Box not checked (Disabled)
Direct Access Number — F254
Parameter Type — Check Box
Factory Default — Disabled
Changeable During Run — Yes
0 Hz Command Function
Program ⇒ Special Control Parameters ⇒ Special Parameters ⇒ Dead
Band of 0 Hz Frequency
This parameter selects the
Settings:
Standard (DC Injection Braking)
0 Hz Command
Direct Access Number — F255
Parameter Type — Selection List
Factory Default — Standard (DC
Injection Braking)
Changeable During Run — No
106 | G7 ASD Operation Manual |