**I. Overview:**
Heating furnaces are widely used in factories, mines, and laboratories for various purposes such as heat treatment, drying, solidification, and constant temperature control. These furnaces come in different types, including natural convection furnaces, electric blast furnaces, high-temperature muffle furnaces, and gas or electric heating roller kilns. They can operate within a wide temperature range, from room temperature to several thousand degrees Celsius.
During the temperature control process, it's essential to record data accurately. A program temperature regulator or measuring instrument with communication capabilities can store this data on a flash memory card. The newly developed AI-2070S/C split-type paperless recorder features a true-color human-machine interface, combining adjustment and recording functions in a split system. This device is convenient, practical, and cost-effective, making it ideal for industrial applications. For more details or to place an order, please contact us directly.
**1. Advantages of the Split Paperless Recorder System:**
The AI-2070S/C paperless recorder is designed for use in multiple industries, including textile, packaging, pharmaceutical, rubber, heavy machinery, testing equipment, power, HVAC, environmental protection, petrochemical, aerospace, coal, water treatment, metallurgy, cable, and rail transportation.
This system offers full-screen display for each channel, supporting real-time monitoring of temperature, pressure, flow, and more. It uses a touch screen that can integrate with small DCS systems. Each channel updates every 50 milliseconds, surpassing traditional paperless recorders by combining both human-machine interface and recording functions.
It includes a high-brightness TFT LCD screen, resistive touch technology, a control unit, and a data storage module. It supports various signal inputs, such as DC voltage, current, resistance, thermocouples, thermistors, infrared sensors, frequency, AC voltage, and current. It also offers advanced functions like square root, addition, subtraction, nonlinear input customization, flow accumulation, compensation, PID adjustment, alarm settings, and switch input/output.
With rich graphical options, it displays real-time data, curves, bar graphs, historical curves, and allows program recipe uploads and downloads. Users can view patrol history, reports, and alarms easily. It supports 1–32 channels, displaying all data at once. It also enables program control, showing hyperbolic running diagrams, setting heating/cooling programs, and allowing manual adjustments during operation.
A process flowchart can be created, and motor start/stop operations can be controlled via buttons. Data is stored on a U-disk, with a maximum capacity of 2GB. It records data in FIFO (First In, First Out) order and allows users to set sampling intervals from 1 second to 1 minute. Data can be exported to a PC in CSV format for further analysis.
**2. Communication Features of the AI Series Intelligent Temperature Regulator:**
Choosing a reliable communication regulator is key to effective furnace control. The AI series intelligent temperature regulator improves temperature control performance, enabling faster response times, shorter production cycles, energy savings, and better product quality. It replaces traditional regulators, offering superior performance and efficiency.
The AI regulator uses a platform design concept, making it highly versatile. It can be configured for various functions like thermostats, regulators, complex loop controllers, and dual-loop controllers. It employs an AI-based PID algorithm that adjusts using fuzzy rules, eliminating integral saturation and optimizing control for complex objects. It provides precise, stable, and fast control without overshoot.
**II. Function of the AI-2070S/C Split-Type Paperless Recorder:**
The system is structured as an upper and lower machine setup. The host computer is a new-generation true-color human-machine interface that integrates measurement and control modules. It supports multi-channel digital display, various signals, and AI PID adjustment. It includes fixed touch buttons for data screens, trend charts, reports, and alarm information.
The lower machine handles PID control based on measured values and setpoints, adjusting the thyristor to maintain furnace stability. The system connects via RS485 and supports program control, allowing users to start, pause, or stop operations, adjust segments, and modify parameters. It also displays process flowcharts, simulates switches, and records data on CF cards or USB drives.
**III. Real-Time Data, Historical Curve, and Alarm Query Screens:**
Users can insert a USB drive into the paperless recorder to save data instantly. The data is stored in CSV format and can be opened directly on a PC. Historical temperature data can be queried, with vertical axis representing temperature and horizontal axis indicating time. Alarms and reports can be printed or exported.
The [Data Export] function allows users to set sampling intervals, export files manually, or choose custom names. Reports can be generated for specific time periods, and the system shows remaining memory space. It supports printing through a micro-printer.
**IV. Performance of the New Generation AI Electric Furnace Control Cabinet:**
The AI electric furnace control cabinet has a modular structure, making installation and maintenance easier. It features thyristor trigger modules with "burnable" characteristics, reducing costs and improving reliability. It supports various load configurations and thyristor models, ensuring safe and efficient operation.
Program curves can be arranged, with up to 50 segments for temperature-time control. It supports commands like run, pause, and stop, and includes event output functions for interlocking equipment. It also features power-off processing and automatic startup, enhancing overall system efficiency.
**V. Conclusion:**
The AI series thyristor electric furnace control cabinets offer excellent performance and flexibility. With their modular design, they simplify control system design and improve automation. As electrical control technology advances, these systems continue to evolve, making them essential for modern industrial heating applications.
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