How Does an AC Servo Motor Interface With a Programmable Logic Controller?
2025-09-17
When industrial automation systems are designed, precision and stability are two crucial factors. The integration between an AC servo motor and a programmable controller plays a vital role in ensuring smooth operation. At Aicheng, our solutions are developed to provide seamless communication between these devices, making automation more efficient. From the perspective of our factory, it is essential to explain how these connections work, supported with professional specifications and examples.
Understanding the Interface Process
An AC servo motor is often used where accuracy in speed, torque, and position control is required. On the other hand, a Programmable Controller acts as the central decision-making unit. Our system establishes an interface through digital or analog signals, fieldbus protocols, and dedicated servo drivers. This structured approach allows our products to deliver high performance even in demanding production environments.
Key Product Parameters
Below are the main specifications of the AC servo motor and its interface with a programmable controller provided by Aicheng:
| Parameter | Specification |
| Rated Power Range | 200W to 5kW |
| Rated Voltage | 220V AC / 380V AC |
| Speed Range | 0 to 3000 RPM |
| Feedback Device | 2500 PPR Encoder / Absolute Encoder |
| Control Mode | Position, Speed, and Torque Control |
| Communication Protocol | Modbus, EtherCAT, CANopen |
| Servo Driver Compatibility | Dedicated Aicheng driver units |
Comparison Table of Features
| Feature | AC Servo Motor | Programmable Controller |
| Main Function | Provides precise motion and torque | Processes logic and sends control signals |
| Input Type | Receives control from driver | Digital and analog input modules |
| Output | Rotational motion with feedback | Command signals to motor drivers |
| Communication | Supports EtherCAT, Modbus | Integrated with industrial networks |
Integration Benefits
By integrating an AC Servo Motor with a Programmable Controller, our customers benefit from higher production efficiency, reduced downtime, and greater consistency. In our factory applications, this integration ensures that machinery can respond rapidly to control signals while maintaining precision. Aicheng emphasizes reliability and long service life, which helps companies reduce maintenance costs.
Practical Applications
Our servo systems are widely used in packaging machines, textile lines, robotics, and CNC equipment. By using a Programmable Controller to interface with an AC Servo Motor, these machines achieve flexible automation. This combination allows our solutions to adapt to complex industrial tasks, where accuracy and efficiency are paramount.
Frequently Asked Questions
Q1: How does an AC Servo Motor interface with a programmable logic controller (PLC)?
A1: The interface is achieved through a servo driver that acts as a bridge between the motor and the Programmable Controller. The PLC sends logic commands, which are translated by the driver into precise voltage and current signals for the motor. Feedback signals from the encoder are then sent back to the PLC, allowing closed-loop control. Our design ensures this process remains stable and accurate.
Q2: Why is the interface between an AC Servo Motor and a programmable logic controller (PLC) important?
A2: Without proper interfacing, the motor cannot receive accurate commands from the Programmable Controller. This would result in unstable movement and low efficiency. By providing synchronization, the system maintains accurate positioning, smooth acceleration, and reliable torque delivery. Our factory experience shows that properly interfaced systems deliver higher productivity and fewer errors in automation lines.
Why Choose Us?
The integration of an AC Servo Motor with a programmable controller is fundamental for achieving precise motion control in industrial automation. At Aicheng, our approach focuses on delivering professional and reliable servo systems that meet international standards. With strong technical specifications, proven stability, and a commitment to customer success, our factory continues to provide effective automation solutions. Contact Aicheng Electronic Technology Co, Ltd. today to learn more about how our solutions can enhance your automation systems and drive your business forward.
