Pulse Type AC Servo System
Strong internal motion control functions which can realize position, speed,torque,homing controlling modes. It also supports I/O control and standard Modbus RTU protocol. It can replace PLC partly, which helps to save cost.
Drives Of P100S Series As Example:
Drives Of P300 Series As Example:
EtherCAT Bus Field AC Servos
System Wiring Example
Dimension
Drive Specification
In the trend of advocating smart and simple industrial automation, environmentally friendly products, value-added solutions, K-Drive, as one of the world's leading drive manufacturers aggressively investing in R&D, production, and continuous quality improvement, is well positioned to provide its customers with technology-driven, performance-outstanding products such as VFDs, wind power converters, servo drives, HEV/EV drives, helping its customers save energy and increase industrial productivity with sustainability on the one hand, and enhancing their entire value-chain quality, delivery, and services on the other hand.
| Performance | Common brands | K-Drive |
|---|---|---|
| Applicable motors | Asynchronous motors | Asynchronous /synchronous motors |
| Starting torque | 2.0Hz, 150% (sensor-less vector control) 0Hz, 180% (closed-loop vector control) | 0.5Hz, 180% (sensor-less vector control) 0Hz, 200% (closed-loop vector control) |
| Speed adjustable range | 1:100 (SVC), 1:1000 (VC) | 1:200 (SVC), 1:1000 (VC) |
| Ambient temperature (no derating required) | -10-40ºC | -10-50ºC (for most of the models) |
| Rated input voltage | 208VAC-400VAC | 208VAC-480VAC |
| Communication | Modbus RTU//ASCII | Modbus RTU//ASCII Profibus-DP, CANopen, etc. |
| Position control (fixed length, or angular positioning) | × | √ |
| Field weakening control | × | √ |
| Autotune online | Online | Online & Offline |
| Short-time ramp-up | Trip | No trip |
| Customized features (software and/or hardware) | Unprocurable or no experience | Procurable with rich experience |
In production, rigorous quality control is implemented on components, circuit boards, and the finished goods, assuring products without defects.
By following these steps, you can assess the quality of an AC servo system and identify any areas that need improvement.
Determine the specifications of the servo system: Before assessing the quality of the servo system, you should know its specifications, such as the rated power, speed, torque, and resolution. These specifications will help you determine the expected performance of the servo system.
Check the mechanical system: The mechanical system should be checked for any mechanical issues, such as excessive backlash or wear, that could affect the servo system's performance.
Measure the servo system's accuracy: The accuracy of the servo system can be measured by positioning the servo system at different locations and comparing the actual position to the desired position. The difference between the actual and desired position is called the position error, which should be minimized to achieve high accuracy.
Measure the servo system's stability: The stability of the servo system can be measured by analyzing its response to small disturbances. If the servo system quickly returns to the desired position after being disturbed, it is considered stable.
Measure the servo system's response time: The response time of the servo system can be measured by applying a step input and measuring the time it takes for the servo system to reach the new position. The response time should be fast enough to meet the requirements of the application.
Evaluate the servo system's control algorithm: The quality of the servo system is also influenced by the control algorithm used. The control algorithm should be optimized to achieve high accuracy, stability, and response time.
