WEG CFW08 Vector inverter User Manual

102
DETAILED PARAMETER DESCRIPTION
Range
[Factory Setting]
Parameter Unit Description / Notes
P407
(1)
0.50...0.99
Rated Motor [ According to
Power Factor the inveter model ]
0.01
Set this parameter according to motor nameplate.
If this value is not available:
- If the rated motor efficiency is known (
η
nom
=P399),
obtain the power factor through the following equation:
P
P407 = cos = 433 x
V x I x η
nom
∅
P408
(1)
0...1
Run Self-Tuning [ 0 ]
-
This
parameter is shown
on the display only
when in Vector
Control (P202=2)
Through this parameter you can run the self-tuning routine, where
the stator resistance of the used motor is estimated automaticaaly
by the inverter. The motor will not run.
By setting P408=1, the Self-Tuning routine is started.
During the running of the Self-Tuning routine, the display flashes
.
If the interruption of the Self-Tuning routine is desired, press .
If the estimated value of the motor stator resistance is too high for
the applied inverter (examples: motor is not connected or motor is
too small for the inverter) the inveter displays E14. You can only exit
from this condition by switching off the inverter.
P404
(1)
0...15
Rated Motor [ According to the
Power inverter model ]
-
This
parameter is only
displayed in Vector
Control (P202=2)
Set this parameter according to motor nameplate, as shown in table
below.
P404
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CV
0.16
0.25
0.33
0.5
0.75
1
1.5
2
3
4
5
5.5
6
7.5
10
12.5
HP
0.16
0.25
0.33
0.5
0.75
1
1.5
2
3
4
5
5.5
6
7.5
10
12.5
kW
0.12
0.18
0.25
0.37
0.55
0.75
1.1
1.5
2.2
3.0
3.7
4.0
4.5
5.5
7.5
9.2
Rated Motor power
This parameter is used only in Vector Control mode.
(1)
This parameter can be changed only with the inverter disabled (motor stopped).
where P is the motor power in HP, V is the rated line voltage
of the motor in volts (V) - P400, and I is the rated motor current in
ampère (A) - P401.
- For an approximation value, use the values of the table in item 9.3.
This parameter is used in V/F control [slip compensation function
and automatic torque boost function(automatic IxR)] and vector
control.

WEG CFW08 Vector inverter Specifications

General

Frequency Range	0 to 300 Hz
Overload Capacity	150% for 60 seconds
Protection Degree	IP20
Communication	RS485, Modbus RTU
Voltage	200 V to 240 V
Control Mode	Vector Control
Ambient Temperature	-10°C to 50°C
Input Frequency	50 Hz / 60 Hz
Output Voltage	0 to input voltage
Braking	Dynamic braking resistor (optional)
Protection Features	Overcurrent, overvoltage, undervoltage, overtemperature
Operating Temperature	-10°C to 50°C
Cooling Method	Forced air cooling (fan)
Humidity	5% to 90% non-condensing