Convo Inverter: Cvf G3 Manual
: The PE terminal must be securely connected to a reliable ground point to prevent electric shock. Common Parameters uses a "F" code system for settings:
The is a high-performance, general-purpose variable frequency drive (VFD) engineered to optimize the speed, torque, and overall efficiency of three-phase AC induction motors. Widely adopted in heavy industries, this drive is a staple for regulating systems like industrial fans, water pumps, conveyors, compressors, and automated production machinery.
Includes Sensorless Vector Control (SVC) and SVPWM for high speed and torque accuracy. Protection:
For official support, please contact your local Convo distributor. Keep this guide and the original manual near your panel for quick reference. Convo Inverter Cvf G3 Manual
| Terminal | Signal | Description (Per Manual) | | :--- | :--- | :--- | | +10V | Analog Reference | 10V DC output for external potentiometer | | VI | Analog Input | 0-10V speed reference | | AI | Analog Input | 4-20mA current signal (for pressure transducers) | | ACM | Common | Analog common ground | | FOR | Digital Input 1 | Forward run command | | REV | Digital Input 2 | Reverse run command | | DCM | Digital Common | Digital ground | | TA/TB/TC | Relay Output | Fault or run status (NO/NC/COM) |
Error-code table (common)
: Install indoors, free from direct sunlight, corrosive gases, flammable dust, and severe vibration. Installation and Wiring Diagram : The PE terminal must be securely connected
: Check wiring for loose connections and confirm motor parameters (P0.01–P0.05) match the motor nameplate. Overheating
Before powering the system, the VFD must be mounted in an environment free from corrosive gases, moisture, and high vibration ( ). Maintain a clearance around the unit of at least above and below to secure proper air channel ventilation. Model Number Power Rating ( Input Voltage ( Dimensions ( CVF-G3-0.4G3 CVF-G3-1.5G3 CVF-G3-2.2G3 CVF-G3-4T0037C CVF-G3-4T0055C CVF-G3-4T0075C CVF-G3-4T0150 Varies by chassis layer Electrical Wiring Configurations
The temperature of the heatsink or IGBT module has exceeded safe operational limits. Remedies: Inspect the cooling fan for debris or mechanical failure. Includes Sensorless Vector Control (SVC) and SVPWM for
: The motor is heavily undersized for the mechanical load, or parameter H-33 (Motor Rated Current) was misconfigured too low.
: Motor rated voltage, current, frequency, speed, and power.