WEG CFW300 - Electronics;General Data

32 | CFW300
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Technical Specifications
8.2 ELECTRONICS/GENERAL DATA
Table 8.1: Electronics/general data
Control Method  Types of control:
- V/f (Scalar)
- VVW: voltage vector control
 PWM SVM (Space Vector Modulation)
Output frequency  0 to 400 Hz, resolution of 0.1 Hz
Performance V/F control  Speed regulation: 1 % of the rated speed (with slip compensation)
 Speed variation range: 1:20
Vector control
(VVW)
 Speed regulation: 1 % of the rated speed
 Speed variation range: 1:30
Inputs Analog  1 insulated input. Levels: (0 to 10) V or (0 a 20) mA or (4 to 20) mA
 Linearity error ≤ 0.25 %
 Impedance: 100 kΩ for voltage input, 500 Ω for current input
 Programmable functions
 Maximum voltage permitted in the input: 30 Vdc
Digital  4 isolated inputs
 Programmable functions
- active high (PNP): maximum low level of 10 Vdc
minimum high level of 20 Vdc
- active low (NPN): maximum low level of 5 Vdc
minimum high level of 10 Vdc
 Maximum input voltage of 30 Vdc
 Input current: 11 mA
 Maximum input current: 20 mA
Outputs Relay  1 relay with NO/NC contact
 Maximum voltage: 250 Vac
 Maximum current: 0.5 A
 Programmable functions
Power supply  10 Vdc power supply. Maximum capacity: 50 mA
Safety Protection  Overcurrent/phase-phase short circuit in the output
 Under/overvoltage
 Motor overload
 Overtemperature in the power module (IGBTs)
 Fault / external alarm
 Programming error
Integral keypad
(HMI)
Standard keypad  4 keys: Start/Stop, Up arrow, Down arrow and Programming
 LCD Display
 View/edition of all parameters
 Indication accuracy:
- current: 5 % of the rated current
- speed resolution: 0.1 Hz
Enclosure IP20  Frames sizes A and B