This manual covers the installation, operation, parameter settings, and maintenance of the AT AT500 series variable frequency drives.
The AT AT500 series is a high-performance vector control and torque control type variable frequency drive. It utilizes sensorless vector control technology synchronized with international leading standards to ensure excellent control performance while being adapted for Chinese application characteristics, reliability, and environmental adaptability.
This user manual provides comprehensive guidance on product information, mechanical and electrical installation, keyboard operation, basic running procedures, parameter lists and explanations, maintenance routines, and fault diagnosis. It includes specific safety precautions regarding wiring, grounding, and operation to prevent equipment damage or personal injury. This manual is written in Chinese.
| Maximum Frequency | 0~320Hz |
|---|---|
| Carrier Frequency Range | 0.5kHz~8.0kHz |
| Control Methods | V/f Control, Open-loop Vector Control (SVC), Closed-loop Vector Control (FVC) |
| Overload Capability | 150% rated current for 60s; 180% rated current for 3s (G-type) |
| Torque Boost Range | 0.1%~30.0% |
Power must be disconnected, and at least 10 minutes should pass or the CHARGE indicator light must be off to prevent injury from residual voltage.
No, it is strictly prohibited to connect capacitors or phase-advanced LC/LR noise filters to the output end as this will damage internal components.
The maximum operating frequency for the AT500 series is 320Hz.