Af-600 fp lonworks – GE Industrial Solutions AF-600 FP Lonworks User Manual

Page 20

Reference [%]

Variable
name:

SNVT
type:

Value:

nviRefPcnt

SNVT_lev_percent

Min.

Max.

Resolution:

-163.840 %

+163.830 %

0.005 %

This variable sends the speed reference to the frequency converter. It represents a percentage of the reference range of the frequency converter.
In closed loop operation the reference is interpreted as the setpoint.

Reference [Hz]

Variable
name:

SNVT
type:

Value:

nviRefHz

SNVT_freq_hz

Min.:

Max.:

Resulution:

0.0 Hz

6,553.5 Hz

0.1 Hz

This variable sends the speed reference to the frequency converter in Hz, in open loop mode.
In closed loop mode it is used as the Set-point.

Closed Loop Set-point 1-3

Variable
name:

SNVT
type:

Value:

nviSetpoint1-3

SNVT_lev_percent

Min.:

Max.:

Resulution:

-163.840 %

163.830 %

0.005 %

This variable sends up to 3 different set-points to the frequency converter via the bus.

NB!
Please refer to section Reference Handling for more information

Bus Feedback 1-3

Variable
name:

SNVT
type:

Value:

nviFeedback1-3

SNVT_lev_percent

Min.:

Max.:

Resulution:

-163.840 %

163.830 %

0.005 %

This variable sends up to 3 different feedback signals to the frequency converter via the bus.

NB!
For more information on how to manage multiple set-points and feedback sources, please refer to AF-600 FP Programing Guide DET-620.

AF-600 FP LonWorks