WEG CFW-09 - Electronics;General Data

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CHAPTER9 -
TECHNICAL
SPECIFICA
TIONS
9.2 ELECTRONICS/GENERALDATA
Voltage Source V/F (Scalar), or
Vector Control with Encoder Feedback, or
Sensorless Vector Control (without Encoder)
PWM SVM (Space Vector Modulation)
Current, Flux and Speed Digital Regulators
ScanTime:
- Current Regulators: 0.2 ms (5 kHz)
- Flux Regulator: 0.4 ms (2.5 kHz)
- Speed Regulator / Speed Measurement: 1.2 ms
0 to 3.4 x motor rated frequency (P403). This rated frequency can be set from
0 Hz to 300 Hz in Scalar and VVW Mode from 30 Hz to 120 Hz in Vector Mode.
VVW:
Regulation: 1 % of Base Speed
Speed Range: 1:30
Sensorless:
Regulation: 0.5 % of Base Speed
Speed Range: 1:100
With Encoder:
(with EBA or EBB Board)
Regulation:
+/- 0.01 % of Base Speed with 14 bit Analog Input (EBA Board);
+/- 0.01 % of Base Speed with Digital Reference (Keypad, Serial Port, Fieldbus,
Electronic Potentiometer, Multispeed);
+/- 0.1 % of Base Speed with 10 bit Analog Input (CC9 Board).
Range: 10 to 180 %, Regulation: +/-10 % of Rated Torque (with encoder)
Range: 20 to 180 %, Regulation: +/-10 % of Rated Torque (sensorless above 3 Hz)
2 Non Isolated Differential Inputs: (0 to 10) V, (0 to 20) mA or (4 to 20) mA;
Impedance: 400 k

[(0 to 10) V], 500

[(0 to 20) mA or
(4 to 20) mA];
Resolution: 10 bit, Programmable Functions.
6 Isolated Inputs: 24 Vdc; Programmable Functions.
2 Non Isolated Outputs: (0 to 10) V; RL

10 k

(1 mA Maximum);
Resolution: 11 bits; Programmable Functions.
2 Relays: NO/NC contacts available; 240 Vac, 1 A;
Programmable Functions.
1 Relay: NO contact available; 240 Vac, 1 A;
Programmable Functions.
Overcurrent/Output Short-circuit (Trip Point: > 2 x RatedCurrentfor CT application)
DC Link Under/Overvoltage
Power Supply Undervoltage/Phase Fault
(1)
Inverter Overtemperature
Dynamic Braking Resistor Overload
Motor/Inverter Overload (I x t)
External Fault
CPU/EPROMError
Output Ground Fault
ProgrammingError
METHOD
CONTROL
OUTPUT
FREQUENCY
SPEED
CONTROL
PERFORMANCE
(Vector Mode)
TORQUE
CONTROL
INPUTS
ANALOG
(CC9 Board)
DIGITAL
ANALOG
OUTPUTS
(CC9 Board)
RELAY
SAFETY
PROTECTION