4.2 Main Menu - Load and Motor - Group 1
Parameters related to the motor nameplate load compen-
sations and application load type.
4.2.1 1-0* General Settings
1-00 Configuration Mode
Option:
Function:
NOTICE
This parameter cannot be adjusted when
the motor runs.
[0]
*
Open
Loop
Motor speed is determined by applying a speed
reference or by setting the wanted speed when
in local mode.
Open loop is also used if the frequency converter
is part of a closed-loop control system based on
an external PI controller providing a speed
reference signal as output.
[3]
Closed
Loop
NOTICE
When set for
Closed Loop
, the commands
Reversing
and
Start Reversing
do not
reverse the direction of the motor.
A reference form the built-in PI controller
determines the motor speed. The built-in PI
controller varies the motor speed as of a closed-
loop control process (for example, constant
pressure or flow). Configure the PI controller in
parameter group
20-** Drive Closed Loop
.
1-01 Motor Control Principle
Option:
Function:
[0]
U/f
NOTICE
When running U/f, control slip and load
compensations are not included.
Used for parallel-connected motors and/or special
motor applications. Set the U/f settings in
parameter 1-55 U/f Characteristic - U
and
parameter 1-56 U/f Characteristic - F
[1]
*
VVC+
NOTICE
When
parameter 1-10 Motor Construction
is
set to PM-enabled options, only VVC
+
option
is available.
Normal running mode, including slip and load
compensations.
1-03 Torque Characteristics
Option:
Function:
[0]
Constant
torque
For speed control of PM motors only.
[1]
*
Variable
Torque
For speed control of centrifugal pumps and
fans. Also to be used when controlling more
than 1 motor from the same frequency
converter (for example, multiple condenser
fans or cooling tower fans). Provides a voltage
that is optimized for a squared torque load
characteristic of the motor.
[3]
Auto
Energy
Optim.
For optimum energy efficient speed control of
centrifugal pumps and fans, it provides a
voltage optimized for a squared torque load
characteristic of the motor. In addition, the
AEO feature adapts the voltage exactly to the
current load situation, by that reducing energy
consumption and audible noise from the
motor.
1-06 Clockwise Direction
Option:
Function:
NOTICE
This parameter cannot be adjusted while
the motor runs.
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 The motor shaft turns in clockwise direction when
frequency converter is connected U
⇒
U; V
⇒
V; and
W
⇒
W to motor.
[1]
Inverse The motor shaft turns in counterclockwise
direction when frequency converter is connected
U
⇒
U; V
⇒
V; and W
⇒
W to motor.
1-08 Motor Control Bandwidth
Option:
Function:
[0] High
High dynamic response.
[1] Medium
Optimized for smooth steady-state operation.
[2] Low
Optimized for smooth steady-state operation
with lowest dynamic response.
[3] Adaptive 1 Optimized for smooth steady-state operation,
with extra active damping.
[4] Adaptive 2 Alternative to Adaptive1, with focus on low-
inductance PM motors.
Parameters
VLT
®
DriveMotor FCP 106/FCM 106
40
Danfoss A/S © 11/2015 All rights reserved.
MG03N202
4
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Summary of Contents for VLT DriveMotor FCP 106
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