Industrial processes like pressure, flow, or temperature control demand high precision. SHUYI PID Controller for VFDs integrates seamlessly with inverters, turning variable speed control into stable process regulation.
For more about our products, please click here.
1. How PID Controller for VFDs Works in Industrial Settings
The PID controller operates based on three core functions: proportional, integral, and derivative adjustments. It compares real-time process data with the set value continuously.
When deviations occur, SHUYI’s controller adjusts the VFD’s output frequency instantly. For example, if pump pressure drops below the set point, it increases motor speed to compensate.
This closed-loop control eliminates steady-state errors. It ensures processes stay consistent even with external disturbances like voltage fluctuations or load changes.
2. Core Advantages of SHUYI’s PID Integration
SHUYI optimizes the PID algorithm for VFDs to enhance response speed. Its adjustment time is reduced by 30% compared to standard PID controllers in similar applications.
It features anti-interference design. This is critical in noisy industrial environments with multiple electrical devices operating simultaneously.
The self-tuning function simplifies setup. Operators don’t need professional PID knowledge— the system automatically calculates optimal parameters for different processes.
3. Key Applications Across Industrial Sectors
Water treatment plants use it for pump pressure control. SHUYI PID Controller for VFDs maintains stable water pressure, avoiding pipe damage from pressure spikes.
In HVAC systems, it regulates fan speed based on room temperature. This cuts energy use by matching output to actual demand instead of running at full speed constantly.
Food processing facilities rely on it for temperature control in ovens. Precise regulation ensures consistent product quality and meets food safety standards.
4. User-Friendly Parameter Setting for PID Function
SHUYI’s VFDs have a dedicated PID parameter menu on the LCD interface. Common settings like set value, proportional gain, and integral time are clearly labeled.
Preset parameter templates for typical applications are included. For example, a “water pump” template loads optimal PID values with one click, saving setup time.
Real-time parameter monitoring is available. Operators can view deviation values and adjustment trends directly, making troubleshooting easier.
5. Compatibility & System Integration Capabilities
SHUYI PID Controller for VFDs is compatible with most industrial sensors. It supports 4-20mA and 0-10V signal inputs from pressure, flow, or temperature sensors.
It integrates with PLC systems via standard communication protocols. This allows centralized control of multiple VFDs in large-scale industrial processes.
The controller works with SHUYI’s full range of VFD models. This provides consistency for businesses using multiple inverter types across their operations.
Web: www.shuyitop.com
Tel/Fax: 0086-577-62840011
Wechat/WhatsApp: 008613355775769
Zhejiang SHUYI Electric Co., LTD, Focus On Switches With 30 Years.
