User`s manual
apfiff09 marine vacon • 95
24-
6
7.2.6
Motor potentiometer
Motor potentiometer is used to control the reference with two digital inputs, one increasing the
reference and the other decreasing the reference. The reference change rate can be set by
parameter [Hz/s]. Motor potentiometer reference is available in I/O control only. It can be changed
only when the drive is in running state.
Time
[s]
Max
Speed
Min
Speed
Speed Ref
[RPM]
Motor Potentiometer
UP
Motor Potentiometer
DOWN
Motor Potentiometer
Ramp Rate
P2.2.11.1 Motor potentiometer ramp rate ID331
Defines the rate of change of the motor potentiometer reference value in Hz/s. Normal
ramp times are still active and determine how fast the actual output frequency
increases.
P2.2.11.2 Motor potentiometer reference reset ID367
0 No reset
Reference is kept past the stop state and stored to memory in case of a powerdown.
1
Reference is set to zero when the drive is in stop state. This selection includes
powerdown situations.
2
Reference is reset only in a powerdown situation.
Other parameters related to function
- P2.4.2.8 Motor potentiometer DOWN ID417
- P2.4.2.9 Motor potentiometer UP ID418