Danfoss VLT AQUA FC 200 Series Programming Manual page 54

2 Parameter Description
3-41 Ramp 1 Ramp Up Time
Range:
10.00 s* [1.00 - 3600.00 s]
2
3-42 Ramp 1 Ramp Down Time
Range:
20.00 s* [1.00 - 3600.00 s]
2.5.4 3-5* Ramp 2
Choosing ramp parameters, see 3-4*.
3-51 Ramp 2 Ramp Up Time
Range:
10.00 s* [1.00 - 3600.00 s]
3-52 Ramp 2 Ramp Down Time
Range:
20.00 s* [1.00 - 3600.00 s]
2.5.5 3-8* Other Ramps
Configure parameters for special ramps e.g. Jog or Quick Stop.
3-80 Jog Ramp Time
Range:
20.00 s* [1.00 - 3600.00 s]
54
Function:
Enter the ramp-up time, i.e. the acceleration time from 0 RPM to par.1-25
Choose a ramp-up time such that the output current does not exceed the current limit in
Current Limit
par. 4-18 during ramping. See ramp-down time in par.3-42
Time
.
tacc nnorm par
× .1 − 25
par
.3 − 41 =
ref rpm
Function:
Enter the ramp-down time, i.e. the deceleration time from par.1-25
Choose a ramp-down time such that no over-voltage arises in the inverter due to regenerative
operation of the motor, and such that the generated current does not exceed the current limit set
Current Limit
in par. 4-18 . See ramp-up time in par.3-41
tdec nnorm par
× .1 − 25
par .3 − 42 =
ref rpm
Function:
Enter the ramp-up time, i.e. the acceleration time from 0 RPM to par.1-25
Choose a ramp-up time such that the output current does not exceed the current limit in
Current Limit
par. 4-18 during ramping. See ramp-down time in par.3-52
Time
.
tacc nnorm par
×
par
. 3 − 51 =
ref rpm
Function:
Enter the ramp-down time, i.e. the deceleration time from par.1-25
Choose a ramp-down time such that no over-voltage arises in the inverter due to regenerative
operation of the motor, and such that the generated current does not exceed the current limit set
in par. 4-18 Current Limit . See ramp-up time in par.3-51
tdec nnorm par
×
par
.3 − 52 =
ref rpm
Function:
Enter the jog ramp time, i.e. the acceleration/deceleration time between 0 RPM and the rated motor
Motor Nominal Speed
speed (n ) (set in par.1-25
M,N
quired for the given jog ramp time does not exceed the current limit in par. 4-18
jog ramp time starts upon activation of a jog signal via the control panel, a selected digital input,
or the serial communication port.
tjog nnorm par
×
par
. 3 − 80 =
jog speed par . 3 − 19
®
MG.20.O4.02 - VLT is a registered Danfoss trademark
®
VLT AQUA Drive Programming Guide
s
Motor Nominal Speed
Ramp 1 Ramp Up Time
s
. 1 − 25
s
Motor Nominal Speed
Ramp 2 Ramp Up Time
. 1 − 25
s
). Ensure that the resultant output current re-
. 1 − 25
s
Motor Nominal Speed
.
Ramp 1 Ramp Down
to 0 RPM.
.
Motor Nominal Speed
.
Ramp 2 Ramp Down
to 0 RPM.
.
Current Limit . The