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46 Unidrive M200 / M201 Control User Guide
Issue Number: 2
7.3 Quick start commissioning / start-up
7.3.1 Open loop
Action Detail
Before power-up
Ensure:
• The drive enable signal is not given, terminal 11 is open.
• Run signal is not given, terminal 12/13 is open.
• Motor is connected to the drive.
• The motor connection is correct for the drive or
• The correct supply voltage is connected to the drive.
Power-up the drive
Verify that open loop mode is displayed as the drive powers up.
If the mode is incorrect see section 5.6 Changing the operating mode on page 26.
Ensure:
• Drive displays ‘inh’ (enable terminal is open).
If the drive trips, see section 12 Diagnostics on page 129.
Enter motor
nameplate details
Set maximum
speed
Enter:
• Maximum speed in Pr 02 (Hz)
Set acceleration /
deceleration rates
Enter:
• Acceleration rate in Pr 03 (s/100 Hz)
• Deceleration rate in Pr 04 (s/100 Hz) (If braking resistor is installed, set Pr 28 = FAST. Also ensure
Pr 10.030 and Pr 10.031 and Pr 10.061 are set correctly, otherwise premature ‘It.br’ trips may be
seen).
Autotune
The drive is able to perform either a stationary or a rotating autotune. The motor must be at a standstill
before an autotune is enabled. A rotating autotune should be used whenever possible so the measured
value of power factor of the motor is used by the drive.
• A stationary autotune can be used when the motor is loaded and it is not possible to uncouple the
load from the motor shaft. A stationary autotune measures the stator resistance of the motor and
the dead time compensation for the drive. These are required for good performance in vector
control modes. A stationary autotune does not measure the power factor of the motor so the value
on the motor nameplate must be entered into Pr 09.
• A rotating autotune should only be used if the motor is uncoupled. A rotating autotune first performs
a stationary autotune before rotating the motor at
2
/
3
base speed in the direction selected. The
rotating autotune measures the power factor of the motor.
To perform an autotune:
•Set Pr 38 = 1 for a stationary autotune or set Pr 38 = 2 for a rotating autotune
• Close the Drive Enable signal (apply +24 V to terminal 11). The drive will display ’rdy’.
• Give a run command (apply +24 V to terminal 12 - Run forward or terminal 13 - Run reverse on
Unidrive M200; press keypad start button on M201). The display will flash ’tuning’ while the drive is
performing the autotune.
• Wait for the drive to display ‘inh’ and for the motor to come to a standstill.
If the drive trips, see Chapter 12 Diagnostics on page 129.
• Remove the drive enable and run signal from the drive.
Save parameters
Select 'Save' in Pr 00 or Pr mm.000 (alternatively enter a value of 1001) and press the red
reset button.
Run Drive is now ready to run
Motor rated current in Pr 06 (Amps)
Motor rated speed in Pr 07 (rpm / min
-1
)
Motor rated voltage in Pr 08 (Volts)
Motor rated power factor (cos ) in Pr 09
MOT. 3 LS 80 L T
N
734570 BJ 002 Kg
9
40 C S1IP 55 I cl.F
V Hz min kW cos
-1
A
230 50 2800 0,75 0,83 0,3
1
2
3
4
A rotating autotune will cause the motor to accelerate up to
2
/
3
base speed in the direction
selected regardless of the reference provided. Once complete the motor will coast to a
stop. The enable signal must be removed before the drive can be made to run at the
required reference.
The drive can be stopped at any time by removing the run signal or removing the drive
enable.
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