In light industry automation sectors including packaging, printing, food processing and garment manufacturing, the speed control accuracy and operation stability of single-phase induction motors directly determine finished product quality and production efficiency.Traditional speed regulators commonly suffer from speed drift, limited functions and poor anti-interference capability. To tackle these industry pain points, TCG Taichuang launches this field-proven intelligent digital display speed controller for single-phase AC induction motors. Adopting MCU digital control technology, it delivers stable and efficient motor speed regulation solutions for various small automated equipment.
Centered on a microcontroller unit, this intelligent digital speed controller is manufactured with SMT mounting process and integrated electronic components. Featuring a compact structure, it integrates multiple practical control functions within limited installation space, balancing convenient equipment integration and long-term operational reliability.Compatible with mainstream single-phase induction motors home and abroad, it supports feedback speed regulation and stepless speed regulation. Through digital closed-loop PI regulation, it effectively eliminates speed drift caused by motor temperature rise after long hours of operation, reduces motor heating during running and extends the service life of both motor and controller.
On the hardware side, the speed controller boasts a wide voltage adaptation range, supporting AC110V and AC220V power supply, and works stably under ±10% voltage fluctuation. It adopts switching power supply design with built-in input filter capacitors and varistors, suppressing interference from grid fluctuation and providing lightning protection to secure stable power supply in complex workshop conditions.
It matches single-phase motors from 6W to 250W. Under 50Hz power, the adjustable motor speed range reaches 90–1400RPM. The wide speed range meets the process speed requirements of different machinery.Equipped with an intuitive digital human-machine interface panel for easy operation. The digital tube display shows real-time running speed, parameter information and fault codes for clear equipment status. The panel is fitted with function keys and a potentiometer speed knob, allowing on-site speed setting, forward/reverse rotation switching and emergency stop.
Meanwhile, the controller reserves multiple external terminals. It supports remote start-stop and forward/reverse switching via external signals and can access speed measurement signals to realize linked control for automated machines.It comes with soft start and soft stop functions to reduce mechanical impact during motor start and stop, protecting transmission parts. Built-in locked-rotor protection will trigger automatic shutdown within 10 seconds once motor lock-up occurs, preventing motor burnout and cutting maintenance downtime cost.
The mechanical design is optimized for cabinet integration. Controller overall dimension: W60mm × H100mm × D100mm; panel cutout size: 81mm × 54mm. It can be embedded directly into equipment panels for simple assembly.Operating ambient temperature: -10℃ ~ +45℃; relative humidity below 65%, suitable for most light industry workshops. Specification for matching capacitor: use capacitor with ≥250V withstand voltage for AC110V; ≥450V withstand voltage for AC220V to guarantee safe operation of the whole motor drive system.
Application scenarios cover packaging machinery, printing equipment, food processing machines, medical devices, electronic testing instruments and garment machinery, serving as the core drive component for production line speed control.Compared with conventional speed regulators, digital closed-loop control maintains constant rotating speed. Rich customizable parameters allow users to set acceleration/deceleration time, max/min speed and stop modes (inertia stop, deceleration stop, quick stop) to fit diverse machine processes. Custom function development is available, expandable with RS485 communication, current detection, multi-speed control, limit control and fault signal output to satisfy customers’ custom equipment development needs.
Safety design runs through the whole product lifecycle. Clear terminal markings distinguish power supply, motor main winding, auxiliary winding, earth and speed signal ports to lower wiring error risks. An independent ground terminal and defined wiring rules for signal common terminals prevent component damage caused by wrong wiring.The main control board is equipped with ESD protection. Do not directly touch chips on the PCB during on-site operation to avoid component damage by static electricity.
With stable speed regulation performance, complete practical functions, compact size and good cost performance, this mature TCG Taichuang intelligent digital speed controller has been widely applied in small and medium single-phase motor drive scenarios for years. All units undergo strict pre-delivery inspection and come with a 1-year warranty under normal operation.With years of field application experience, TCG Taichuang keeps deepening its commitment to automation equipment supporting industry, continuously optimizing motor control solutions to facilitate automated upgrading of light industry machinery and improve production efficiency.
