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TECHNICAL SPECIFICATIONS
8.3 INVERTER CONTROL DATA
8.3.1 General Control Specifications
Table 8.10:
Control circuit data
Motor control
Method
Voltage source.
Type
of
Control
V/f (Scalar).
VVW: voltage vector control.
Vector control with encoder.
Sensorless vector control (without encoder).
Supported
motors
Induction engine.
Permanent magnet motor.
Modulation
SVPWM space vector PWM standard.
PWM optimized for long output cables.
Measurements
and
indications
Current measurement accuracy: 5% of the rated current.
Speed resolution: 1rpm.
Built-in real-time clock.
Output
frequency
Maximum output frequency limited to 500 Hz for frames A ... D and 250 Hz
for frame E.
Safety
Inverter
Protection
Output overcurrent/short-circuit.
Under/overvoltage.
Phase loss.
Overtemperature.
Overload on the motor, braking resistor and IGBTs.
External Fault/Alarm.
Output phase-ground short-circuit.
Functions
Built-in STO and SS1-t functions. See the safety manual.
Integral Keypad (HMI)
12 operator keys: Run/Stop, Direction of Rotation, Jog, Local/ Remote and
browsing buttons: Left, Right, Up, Down, Enter, Back and Help.
Graphical LCD display.
View/edition of all parameters.
Option of external mounting, using:
unshielded pin-to-pin DB9 cable up to 20 m;
shielded pin-to-pin DB9 cable up to 100 m.
Communication with smartphone using Bluetooth (for models equipped with
CFW900-HMI-BLT).
USB communication with PC using WEG WPS.
Allows powering the HMI and the control board through the USB port for
inverter parameterization without powering up the network or DC link.
MicroSD card slot
One microSD card slot.
Card requirements:
Maximum size of 32 GB;
Industrial Temperature (-40 °C (-40 °F) to 85 °C (185 °F));
FAT32 file system.
Miscellaneous functions: see programming manual.
MicroSD card not included.
106 | CFW900
Summary of Contents for CFW900
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