Danfoss FC 300 Programming Manual page 34

Parameter Descriptions
1-01 Motor Control Principle
Option:
[0] U/f
*
3 3
[1] VVC+
[2] Flux
sensorless
Par. 1-01
[0] U/f
plus
[1] VVC
[2] Flux sensorless
[3] Flux w/ motor
feedback
Table 3.3: Overview of possible combinations of the settings in par. 1-00 Configuration Mode and par. 1-01 Motor Control Principle.
The gray cells mark the possible combinations.
1-02 Flux Motor Feedback Source
Option:
[0] Motor feedb. P1-02
[1] 24V encoder
*
[2] MCB 102
[3] MCB 103
[5] MCO Encoder 2
[6] Analog input 53
[7] Analog input 54
[8] Frequency input
29
[9] Frequency input
33
This parameter cannot be adjusted while the motor is running.
34
FC 300 Programming Guide
Function:
Select which motor control principle to employ.
special motor mode, for parallel connected
motors in special motor applications. When U/f is
selected the characteristic of the control princi-
ple can be edited in par. 1-55 U/f Characteristic -
U and par. 1-56 U/f Characteristic - F.
Voltage Vector Control principle suitable for
most applications. The main benefit of VVC
operation is that it uses a robust motor model.
Flux Vector control without encoder feedback,
for simple installation and robustness against
sudden load changes. FC 302 only.
[0] Speed [1] Speed
OL CL
Function:
Select the interface at which to receive
feedback from the motor.
A and B channel encoder, which can be
connected to the digital input terminals
32/33 only. Terminals 32/33 must be
programmed to No operation.
Encoder module option which can be
configured in par. group 17-1*
This parameter appears in FC 302 only.
Optional resolver interface module
which can be configured in par. group
17-5**
encoder interface 2 of the optional
programmable motion controller MCO
305.
MG.33.M9.02 - VLT
1-01 Motor Control Principle
Option:
[3] Flux w/
motor
feedb
The best shaft performance is normally achieved using either
of the two Flux Vector control modes Flux sensorless [2] and
Flux with encoder feedback [3].
plus
This parameter cannot be adjusted while the motor is running.
Par. 1-00
[2] Torque [3] Process [4] Torque
OL
1-03 Torque Characteristics
Option:
[0] Constant
torque
*
[1] Variable
torque
[2] Auto
Energy
Optim.
[5] Constant
Power
This parameter cannot be adjusted while the motor is running.
®
is a registered Danfoss trademark
Function:
very high accuracy speed and torque control,
suitable for the most demanding applications. FC
302 only.
[5] Wobble [6] Surface [7] Ext. PID
Wnd OL
Function:
Select the torque characteristic required.
VT and AEO are both energy saving operations.
Motor shaft output provides constant torque
under variable speed control.
Motor shaft output provides variable torque
under variable speed control. Set the variable
torque level in par. 14-40 VT Level.
Automatically optimises energy consumption by
minimising magnetisation and frequency via
par. 14-41 AEO Minimum Magnetisation and
par. 14-42 Minimum AEO Frequency.
The function provide a constant power in field
weakening area. Follows the formula:
Torque x RPM
P constant
=
9550
This selection maybe unavailable depending on
drive configuration.
[8] Ext. PID
CL