Enter acceleration time from 0 Hz to parameter 1-23 Motor Frequency if asynchronous motor is selected. Enter acceleration time from
0 RPM to parameter 1-25 Motor Nominal Speed if PM motor is selected. Select a ramp-up time such that the output current does not
exceed the current limit in parameter 4-18 Current Limit during ramping. See ramp-down time in parameter 3-42 Ramp 1 Ramp Down
Time.
Table 105: Range:
Default value: Configuration dependent
3-42 Ramp 1 Ramp Down Time
Default value: Configuration dependent
Change during operation: True
If asynchronous motor is selected, enter deceleration time from parameter 1-23 Motor Frequency to 0 Hz. If PM motor is selected,
enter deceleration time from parameter 1-25 Motor Nominal Speed to 0 RPM. Select a ramp-down time to avoid tripping on overvolt-
age in the DC-link.
Table 106: Range:
Default value: Configuration dependent
4.5.4 3-5* Ramp 2
This parameter group configures ramp 2 parameters.
3-51 Ramp 2 Ramp Up Time
Default value: Configuration dependent
Change during operation: True
If asynchronous motor is selected, enter acceleration time from 0 Hz to parameter 1-23 Motor Frequency. If PM motor is selected,
enter acceleration time from 0 RPM to parameter 1-25 Motor Nominal Speed. Select a ramp-up time such that the output current
does not exceed the current limit in parameter 4-18 Current Limit during ramping up.
Table 107: Range:
Default value: Configuration dependent
3-52 Ramp 2 Ramp Down Time
Default value: Configuration dependent
Change during operation: True
Enter deceleration time from parameter 1-25 Motor Nominal Speed to 0 RPM. Select a ramp-down time such that the output current
does not exceed the current limit in parameter 4-18 Current Limit during ramping down.
Table 108: Range:
Default value: Configuration dependent
4.5.5 3-8* Other Ramps
3-80 Jog Ramp Time
Default value: Configuration dependent
Change during operation: True
Enter the jog ramp time, which is the acceleration/deceleration time between 0 Hz to parameter 1-23 Motor Frequency. Ensure that
the resulting output current required for the given jog ramp time does not exceed the current limit in parameter 4-18 Current Limit.
The jog ramp time starts after activation of a jog signal via the control panel, a selected digital input, or the serial communication
port.
AU363928304090en-000101 / 130R0982 | 63Danfoss A/S © 2021.07
Parameters
VLT® Flow Drive FC 111
Programming Guide