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Running
the motor
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Technical
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UL Listing
Information
84 Unidrive User Guide
www.controltechniques.com Issue Number: 9
7.2 Quick Start commissioning
7.2.1 Open loop mode (including VTC variant)
Induction motor without feedback device
Action Detail
Before power-
up
Ensure:
• Enable is closed (terminal 30)
• Motor thermistor is connected or terminal 8 is linked to 0V
• Run signal is not given
• Motor is connected
The motor must be uncoupled from any gearbox or load before an autotune is carried out, as
detailed below.
Power-up the
drive
Ensure:
• Drive displays ‘rdy’
If the drive trips, see Chapter 12 Diagnostics on page 198.
Enter motor
nameplate
details
Enter:
• Motor rated current in Pr 0.46 (A)
• Motor rated frequency in Pr 0.47 (Hz)
• Motor rated voltage in Pr 0.44 (V) - check if or connection
• Number of poles in Pr 0.42
Set maximum
frequency
Enter:
• Maximum frequency in Pr 0.02 (Hz)
Set acceleration
/ deceleration
rates
Enter:
• Acceleration rate in Pr 0.03 (s/100Hz)
• Deceleration rate in Pr 0.04 (s/100Hz)
Autotune
•Set Pr 0.40 = 1 and wait for the drive display to return to ‘rdy’
If the drive trips, see Chapter 12 Diagnostics on page 198.
The motor must be uncoupled from any gearbox or load before an autotune is carried out.
Save
parameters
Enter 1000 in Pr xx.00
Press the red reset button or toggle the reset digital input (ensure Pr xx.00 returns to 0)
Run Drive is now ready to run
NOTE
P
f120×
N
s
------------------
=
Where:
P = Number of poles
f = Rated frequency (Hz)
N
s
= Synchronous speed (rpm)
Mot X XXXXXXXXX
No XXXXXXXXXX kg
IP55 I.cl F C 40 s S1
°
VHzmin
-1
kW cos
φ
A
230
400
50 1445 2.20 0.80 8.50
4.90
CN = 14.5Nm
240
415
50 1445 2.20 0.76 8.50
4.90
CN = 14.4Nm
CTP- VEN 1PHASE 1=0,46A P=110W R.F 32MN
I.E.C 34 1(87)
0.02
t
100Hz
0.03
t
0.04
Once this parameter is set, the motor will accelerate up to
2
/
3
base frequency
without a run command being given. Once the measurement is complete, the
motor will coast to a stop. The drive can be disabled at any time by pressing the
red button.
WARNING
NOTE
cos = ?
∅
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