Electronics/General Data - WEG CFW300 User Manual

Technical Specifications

8.2 ELECTRONICS/GENERAL DATA

Control Method
Output frequency
Performance V/F control
Vector control
(V V W )
Inputs Analog
Digital
Outputs Relay
Power supply
Safety Protection
Integral keypad Standard keypad
(HMI)
Enclosure IP20
32 | CFW300
Table 8.1: Electronics/general data
Types of control:
„
- V/f (Scalar)
- V V W: voltage vector control
PWM SVM (Space Vector Modulation)
„
0 to 400 Hz, resolution of 0.1 Hz
„
Speed regulation: 1 % of the rated speed (with slip compensation)
„
Speed variation range: 1:20
„
Speed regulation: 1 % of the rated speed
„
Speed variation range: 1:30
„
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
„
4 isolated inputs
„
Programmable functions
„
- active high (PNP): maximum low level of 10 Vdc
- active low (NPN): maximum low level of 5 Vdc
Maximum input voltage of 30 Vdc
„
Input current: 11 mA
„
Maximum input current: 20 mA
„
1 relay with NO/NC contact
„
Maximum voltage: 250 Vac
„
Maximum current: 0.5 A
„
Programmable functions
„
10 Vdc power supply. Maximum capacity: 50 mA
„
Overcurrent/phase-phase short circuit in the output
„
Under/overvoltage
„
Motor overload
„
Overtemperature in the power module (IGBTs)
„
Fault / external alarm
„
Programming error
„
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
Frames sizes A and B
„
minimum high level of 20 Vdc
minimum high level of 10 Vdc