WEG CFW700, Programming And Troubleshooting Manual

Page: 63 / 223

9
Scalar Control (V/f)
CFW700 | 9-5
P0202 – Control Type
Adjustable
Range:
0=V/f 60 Hz
1=V/f 50 Hz
2=V/f Adjustable
3=VVW (Voltage Vector WEG)
4=Sensorless
5=Encoder
Factory
Setting:
0
Properties: cfg
Access groups
via HMI:
Description:
In order to get an overview of the control types, as well as orientation to choose the most suitable type for the
application, refer to the
chapter 8 - Available Control Types .
For the V/f mode, select P0202=0, 1 or 2:
Parameter P0202 setting for the V/f mode:
„
P0202=0 for motors with rated frequency=60 Hz.
„
P0202=1 for motors with rated frequency=50 Hz.
Notes:
„
The correct setting of P0400 assures the application of the correct V/f ratio at the output, in case of 50 Hz
or 60 Hz motors with voltage different from the inverter input voltage.
„
P0202=2: for special motors with rated frequency different from 50 Hz or 60 Hz, or for the adjustment of
special V/f curve profiles. Example: the approximation of a quadratic V/f curve for energy saving in variable
torque loads like centrifuge pumps and fans.
9.2 ADJUSTABLE V/f CURVE
P0142 – Maximum Output Voltage
P0143 – Intermediate Output Voltage
P0144 – 3 Hz Output Voltage
Adjustable
Range:
0.0 to 100.0 % Factory
Setting:
P0142 = 100.0 %
P0143 = 50.0 %
P0144 = 8.0 %