5 Parameter
BU 0200 en-US-4920
141
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5.2.2 Basic parameter
Parameter
{factory setting}
Setting value/description/note
Supervisor
Parameter
set
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P100
Parameter set
(parameter set)
S
0 ... 3
{ 0 }
Selection of parameters set to be parameterized. There are 4 parameter sets available. The
parameters to which different values can also be assigned in the 4 parameter sets are known as
"parameter set-dependent" and are marked with a
"P"
in the header in the following descriptions.
The operating parameter set is selected via appropriately parameterized digital inputs or BUS
actuation.
When enabled via the keyboard (Simple Box, Control Unit, Potentiometer Unit or Parameter Unit),
the operating parameter set will match the setting in P100.
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P101
Copy parameter set
(copy parameter set)
S
0 ... 4
{ 0 }
After confirmation with the OK/ENTER key, the parameter set selected in P100 >Parameter set<
is copied to the parameter set dependent on the value selected here
0 = do not copy
1 = copy to param. set 1
: copies the active parameter set to parameter set 1
2 = copy actual to P2
: copies the active parameter set to parameter set 2
3 = copy actual to P3
: copies the active parameter set to parameter set 3
4 = copy actual to P4
: copies the active parameter set to parameter set 4
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P102
Acceleration time
(ramp-up time)
P
0 ... 320.00 s
{ 2.00 }
Ramp-up time is the time corresponding to the linear frequency rise from 0 Hz to the set
maximum frequency (P105). If a prevailing setpoint of <100% is used, the ramp-up time is
reduced linearly according to the setpoint fixed.
Ramp-up time can be extended by certain circumstances such as VFD overload, setpoint delay,
rounding off, or if the current limit is reached.
NOTE:
Make sure parameter values are realistic. A setting of P102 = 0 is not permissible for drive units!
Notes on ramp gradient:
Ramp gradient is governed by rotor inertia among other things.
A ramp with a gradient that is too steep may result in motor stalling.
In general, avoid extremely steep ramps (e.g.: 0 Hz - 50 Hz in < 0.1 s) as this may cause damage
to the variable frequency drive.
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