1. Introduction to Full Digital Low Voltage Variable Frequency Feedback
This product is a full digital low voltage variable frequency feedback system, specially designed for industrial automation control, particularly suitable for efficient and stable operation of heavy equipment such as mine hoists.
1. System Composition
- Signal System: Responsible for signal input and processing, connected to the console, and communicates with the host computer via RS232 interface.
- Console: Used for manual operation and system control.
- Host Computer: Performs system monitoring and management.
- Main Control PLC (Programmable Logic Controller)**: The core control unit, communicates with other devices in the system via RS485 bus, achieving control over the entire system.
- Main Motor (M): The primary power source of the system.
- Speed Measuring Motor: Used to detect the rotational speed of the main motor.
- Reducer: Reduces the speed of the main motor and increases torque.
- Brake Station: Applies braking to the system when necessary.
- Mine Hoist: The core controlled equipment, used for lifting materials or personnel in the mine.
- Low Voltage Power Feed Cabinet, Variable Frequency Cabinet, Feedback Cabinet**: Responsible for power supply, variable frequency control, and energy feedback.
- #2 Main Control PLC: Auxiliary control unit, working in coordination with the main control PLC.
2. Work Process
1. Signal Input: The signal system collects various signals and transmits them to the console.
2. Operation and Monitoring: The console passes signals to the host computer and main control PLC; the host computer monitors the system, and the main control PLC performs logical control.
3. Main Motor Drive: The main control PLC controls the operation of the main motor; the speed measuring motor detects the speed and feeds back to the main control PLC.
4. Speed Reduction and Braking: The output of the main motor is reduced through the reducer; the brake station applies braking when necessary.
5. Mine Hoist Operation: The reduced power drives the mine hoist to operate.
6. Power Management: The low voltage power feed cabinet supplies power, the variable frequency cabinet performs variable frequency control, and the feedback cabinet realizes energy feedback.
3. Product Features
Full Digital Control: Uses advanced digital control technology to ensure precision and stability of system operation.
Low Voltage Variable Frequency Technology: Adjusts motor speed through variable frequency technology to achieve energy saving and consumption reduction.
Energy Feedback Function: Excess energy in the system can be fed back to the power grid, improving energy utilization efficiency.
High Degree of Automation: Integrates PLC control to realize automated operation and monitoring of equipment.
Product Advantages
- High Efficiency and Energy Saving: Variable frequency technology and energy feedback function significantly reduce energy consumption.
- Stable Operation: Full digital control and automated design ensure long-term stable system operation.
- Easy Maintenance: Modular design facilitates maintenance and troubleshooting.
- High Safety: Multiple protection mechanisms (such as brake station) ensure equipment and personnel safety.
Product Functions
- Motor Control: Precisely controls the speed and torque of the main motor.
- Signal Processing: Real-time processing and transmission of system signals to ensure accurate execution of control commands.
- Monitoring and Management: The host computer monitors system status in real time, facilitating remote management.
- Braking and Protection: Quickly brakes in emergencies to protect equipment and personnel.
4. Product Applications
This system is mainly used for the automated control of mine hoists, achieving efficient and safe lifting of materials or personnel through variable frequency and energy feedback technologies.
Mine Hoisting: Used for lifting materials or personnel in mines, improving operational efficiency and safety.
Heavy Industrial Equipment: Suitable for heavy industrial equipment requiring precise control and efficient operation.
Energy Management: Plays an important role in scenarios requiring energy saving and energy management.
Keywords
Previous: All-digital DC electric control system
Full digital low-voltage variable frequency feedback
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