Danfoss VLT AutomationDrive FC 300 Programming Manual page 37

Parameter Descriptions
1-02 Flux Motor Feedback Source
Option: Function:
[4] MCO Encoder Encoder interface 1 of the optional
1 X56 programmable motion controller MCO 305.
[5] MCO Encoder encoder interface 2 of the optional
2 X55 programmable motion controller MCO 305.
1-03 Torque Characteristics
Option: Function:
NOTE
This parameter cannot be adjusted while
the motor is running.
Select the torque characteristic required.
VT and AEO are both energy saving operations.
[0] Constant Motor shaft output provides constant torque
torque under variable speed control.
[1] Variable Motor shaft output provides variable torque
torque under variable speed control. Set the variable
torque level in 14-40 VT Level.
[2] Auto Automatically optimises energy consumption by
Energy minimising magnetisation and frequency via
Optim. 14-41 AEO Minimum Magnetisation and
14-42 Minimum AEO Frequency.
[5] Constant The function provides a constant power in the
Power field weakening area.
The torque shape of motor mode is used as a
limit in the generatoric mode. This is done to
limit the power in generatoric mode that
otherwise becomes considerable larger than in
motor mode, due to the high DC link voltage
available in generatoric mode.
P shaft W = ω mech rad / s × T Nm
This relationship with the constant power is
illustrated in Illustration 3.5:
T[Nm]
T
nom
P
nom
Illustration 3.5 Constant Power
1-04 Overload Mode
Option: Function:
NOTE
This parameter cannot be adjusted
while the motor is running.
[0] High torque Allows up to 160% over torque.
®
VLT AutomationDrive Programming Guide
P[W]
P
T
ω 2ω
ω [rad/S]
nom nom
®
MG33MG02 - VLT is a registered Danfoss trademark
1-04 Overload Mode
Option: Function:
[1] Normal torque For oversized motor - allows up to 110%
over torque.
1-05 Local Mode Configuration
Option: Function:
Select which application configuration mode
(1-00 Configuration Mode), i.e. application
control principle, to use when a Local (LCP)
Reference is active. A Local Reference can be
active only when 3-13 Reference Site is set to
[0] Linked to Hand/Auto or [2] Local. By
default the local reference is active in Hand
Mode only.
[0] Speed open
loop
[1] Speed Closed
Loop
[2] As mode par
1-00
1-06 Clockwise Direction
Option: Function:
NOTE
This parameter cannot be adjusted while the
motor is running.
This parameter defines the term "Clockwise"
corresponding to the LCP direction arrow. Used for
easy change of direction of shaft rotation without
swapping motor wires.
[0] Normal Motor shaft will turn in clockwise direction when the
frequency converter is connected U ⇒ U; V⇒V, and
W ⇒ W to motor.
[1] Inverse Motor shaft will turn in counter clockwise direction
when the frequency converter is connected U⇒U;
V⇒V, and W⇒ W to motor.
1-07 Motor Angle Offset Adjust
This parameter is FC 302 only.
Option: Function:
[0] Manual Selecting [0] Manual will set the frequency
converter to use the motor angle offset entered
in 1-41 Motor Angle Offset if an absolute
feedback device is used. If no absolute
feedback device is selected the frequency
converter will automatically adjust the motor
angle offset.
[1] Auto Selecting [1] Auto will set the frequency
converter to automatically adjust the motor
angle offset first start after power up or when
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