F307 |
|
| F310 | |
|
|
| ||
Supply Voltage Correction | Direct Access Number — | F307 | ||
Program ⇒ Protection ⇒ Base Frequency Voltage | Parameter Type — Selection List | |||
This parameter Enables/Disables the Voltage Compensation function. | Factory Default — Disabled |
| ||
Changeable During Run — No | ||||
When Enabled, this function provides a constant V/f ratio during periods of | ||||
|
| |||
input voltage fluctuations. |
|
| ||
Settings: |
|
|
| |
0 — Disabled (Output Voltage Unlimited) |
|
| ||
1 — Enabled (Supply Voltage Compensation) |
|
| ||
2 — Disabled (Output Voltage Limited) |
|
| ||
3 — Enabled (Supply Voltage Compensation w/Output Voltage Limited) |
|
| ||
|
|
| ||
Dynamic Braking Resistance | Direct Access Number — | F308 | ||
Program ⇒ Protection ⇒ Dynamic Braking | Parameter Type — Numerical | |||
This parameter is used to input the resistive value of the Dynamic Braking | Factory Default — | |||
Changeable During Run — No | ||||
Resistor being used. | ||||
|
| |||
Minimum — 0.5 |
| |||
|
| |||
ohms. The appropriate resistance size will be typeform- and application- | Maximum — 1000.0 |
| ||
specific. |
| Units — Ω |
| |
See the section titled Dynamic Braking Resistor Wire/Cable Specifications on |
|
| ||
pg. 268 for more information on using the DBR system and for assistance in |
|
| ||
selecting the appropriate resistor for a given application. |
|
| ||
Note: | Using a resistor value that is too low may result in system |
|
| |
| damage. |
|
| |
|
|
| ||
Continuous Dynamic Braking Capacity | Direct Access Number — | F309 | ||
Program ⇒ Protection ⇒ Dynamic Braking | Parameter Type — Numerical | |||
This parameter is used to input the wattage of the Dynamic Braking Resistor. | Factory Default — | |||
Changeable During Run — No | ||||
See the section titled Dynamic Braking Resistor Wire/Cable Specifications on | ||||
Minimum — 0.01 |
| |||
pg. 268 for more information on using the DBR system. |
| |||
|
| |||
|
| Maximum — 600.00 |
| |
Note: | Using a resistor with a wattage rating that is too low may result | Units — kW |
| |
| in system damage. |
| ||
|
|
| ||
|
|
| ||
Ridethrough Time | Direct Access Number — | F310 | ||
Program ⇒ Protection ⇒ Retry/Restart | Parameter Type — Numerical | |||
In the event of a momentary power outage, this parameter determines the length | Factory Default — 2.0 |
| ||
Changeable During Run — Yes | ||||
of the Ridethrough time. | ||||
|
| |||
|
| Minimum — 0.1 |
| |
The Ridethrough will be maintained for the number of seconds set using this | Maximum — 320.0 |
| ||
parameter. |
| |||
Units — Seconds |
| |||
|
|
| ||
See parameter F302 for more information on the Ridethrough function. |
|
| ||
Note: | The actual Ridethrough Time is |
|
|
H9 ASD Installation and Operation Manual | 137 |