vacon • 127
Parameters
6
6.2.6
Motor Potentiom.
With a motor potentiometer, the user can increase and decrease the output frequency. By con-
necting a digital input to parameter P3.3.4.1 (
) and having the digital input signal ac-
tive, the output frequency will rise as long as the signal is active. The parameter P3.3.4.2
(
) works vice versa, decreasing the output frequency.
The rate how the output frequency either rises or falls when Motor Potentiometer Up or Down
is activated is determined by the
Motor potentiometer ramp time
(P3.3.4.3) and the Ramp ac-
celeration/deceleration times (P3.4.1.2/P3.4.1.3).
The Motor potentiometer reset parameter (P3.3.4.4) will set the frequency reference to zero if
activated.
Defines the logic for resetting the motor potentiometer frequency reference.
Figure 34. Motor potentiometer parameters
Selection
number
Selection name
Note
0
No reset
The previous motor potentiometer frequency reference is kept
past the stop state and stored to memory in case of powerdown.
1
Stop state
Motor potentiometer frequency reference is set to zero when the
drive is in stop state or the drive is powered down.
2
Powered down
Motor potentiometer frequency reference is set to zero only in a
powerdown situation.
9122.emf
Time [s]
Max
Frequency
Min
Frequency
UP
Motor potentiometer
Motor potentiometer
Motor potentiometer
ramp time
DOWN
Frequency
Reference
Содержание 100X series
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