vacon • 77
Parameters
6
6.1.4.3
Group 3.3.4: Motor Potentiom
With a motor potentiometer function, the user can increase and decrease the output frequen-
cy. By connecting a digital input to parameter P3.3.4.1 (
) and having the digital input
signal active, 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
The Motor potentiometer reset parameter (P3.3.4.4) is used to choose whether to reset (set to
MinFreq) the Motor Potentiometer frequency reference when stopped or when powered down.
Motor potentiometer frequency reference is available in all control places in menu Group 3.3:
References. The motor potentiometer reference can be changed only when the drive is in run
state.
Table 53. Motor potentiometer parameters
Code
Parameter
Min
Max
Unit
Default
ID
Description
P3.3.4.1
DigIN
Slot0.1
418
FALSE = Not active
TRUE = Active (Motor poten-
tiometer reference
INCREASES until the contact
is opened)
P3.3.4.2
MotPot DOWN
DigIN
Slot0.1
417
FALSE = Not active
TRUE = Active (Motor poten-
tiometer reference
DECREASES until the contact
is opened)
P3.3.4.3
MotPot Ramp Time
0.1
500.0
Hz/s
10.0
331
Rate of change in the motor
potentiometer reference
when increased or decreased
with parameters P3.3.4.1 or
P3.3.4.2.
P3.3.4.4
MotPot Reset
0
2
1
367
Motor potentiometer fre-
quency reference reset logic.
0 = No reset
1 = Reset if stopped
2 = Reset if powered down
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