Multi channel paperless recorderIt is an instrument suitable for real-time monitoring and tracking of multiple temperature points, with LCD display and USB storage. It utilizes signals such as standard current, standard voltage, frequency, thermocouple, and thermal resistance that can be input, with advanced CPU as the core, based on intelligent, digital, and networked design ideas, supplemented by large-scale integrated circuits, large capacity FLASH storage, intelligent signal conditioning, SmartBus bus bus, and high-resolution graphic LCD display to achieve intelligent paperless recording. Mainly used in various industrial sites such as metallurgy, petroleum, chemical, building materials, papermaking, food, pharmaceuticals, colleges and universities, biological research, heat treatment, and water treatment, as well as various smart IoT application scenarios.
Multi channel paperless recorderIts core components usually include the following modules:
1、 Data collection module
Sensor interface
Function: Connect various sensors (such as temperature, pressure, flow rate, liquid level, current, voltage, etc.) to convert physical signals into electrical signals.
Features: Supports multiple signal input types, such as analog signals (4-20mA, 0-5V, etc.), digital signals (RS485, Modbus, etc.), thermistor (PT100, PT1000), thermocouple (K, J, T type, etc.).
Multi channel design: typically equipped with 8, 16, 32 or more channels, capable of simultaneously collecting multiple parameters to meet the needs of complex industrial scenarios.
signal conditioning circuit
Function: Amplify, filter, isolate and process weak signals output by sensors to improve signal quality and anti-interference ability.
Features: Adopting high-precision operational amplifiers and low-noise design to ensure signal stability.
2、 Data processing and storage module
Microprocessor (CPU)
Function: As the core control unit, responsible for data acquisition, processing, storage, and display logic control.
Features: Adopting high-performance embedded processors (such as ARM architecture), supporting multitasking and real-time data analysis.
存储器
Function: Store collected data, support long-term storage and historical data query.
Features:
Internal storage: usually equipped with large capacity Flash memory (such as 1GB or higher), which can store data for several years.
External storage expansion: Supports USB flash drive, SD card, or portable hard drive expansion for easy data export and backup.
Data compression: Using efficient compression algorithms to reduce storage space usage.
Real time clock (RTC)
Function: Provide accurate time reference, add timestamps to data records, and ensure data traceability.
Features: Built in high-precision crystal oscillator, supporting time retention after power failure.
3、 Display and operation module
display screen
Function: Real time display of collected data, curves, alarm information, etc.
Features:
Type: TFT LCD display screens (such as 7-inch and 10.1-inch) are usually used, with high resolution and clear colors.
Touch operation: Supports touch screen operation, simplifying user interaction.
Multi screen display: Multiple channel data or curves can be displayed in split screens for easy comparison and analysis.
Operation buttons/knobs
Function: Provides physical buttons or knobs for quickly setting parameters, switching screens, or confirming operations.
Features: Waterproof and dustproof design, suitable for industrial environments.
4、 Communication and Network Module
Wired communication interface
Function: Implement data exchange between the device and the upper computer, other instruments, or control systems.
Features:
RS485/RS232: Supports Modbus RTU protocol for serial communication.
Ethernet interface: Supports TCP/IP protocol for remote monitoring and data uploading.
USB interface: used for data export or device configuration.
Wireless communication module (optional)
Function: Supports wireless data transmission, such as Wi Fi, 4G/5G, LoRa, etc.
Features: Suitable for remote or mobile scenarios, achieving real-time monitoring and cloud data storage.
5、 Power Supply and Power Supply Module
power input
Function: Provide stable working power for devices.
Features:
AC power supply: supports AC85-265V wide voltage input, suitable for different power grid environments.
DC power supply: Optional DC24V power supply, suitable for industrial field DC power supply systems.
Battery powered (optional): Built in rechargeable lithium battery, supports data recording after power failure.
Power management circuit
Function: Stabilize, filter, and provide overvoltage/overcurrent protection for the input power supply to ensure safe operation of the equipment.
Features: Adopting high-efficiency DC-DC converter to reduce power consumption.
6、 Shell and structural module
Shell material
Function: Protect internal circuits from external environmental influences.
Features:
Metal shell: made of aluminum alloy or stainless steel material, with good heat dissipation and strong anti-interference ability.
Plastic casing: lightweight and cost-effective, suitable for general industrial environments.
Protection level: usually reaching IP65 or higher, dustproof and waterproof.
Installation method
Function: Convenient for device fixation and installation.
Features: Supports wall mounted, disk mounted, or rail mounted installation to meet different scene requirements.
7、 Software and Algorithm Module
embedded software
Function: Implement core functions such as data collection, processing, storage, display, and communication.
Features:
Real time operating system (RTOS): ensures real-time processing of multitasking.
Data compression algorithm: reduces storage space usage.
Anti interference algorithm: Improve signal quality.
Upper computer software (optional)
Function: Provides more powerful data analysis, report generation, and remote monitoring capabilities.
Features:
Multi language support: Adapt to different user needs.
Database integration: Supports databases such as SQL Server and MySQL for easy data management.
Web access: Remote monitoring and configuration through a browser.
8、 Alarm and output module
alarm function
Function: When the collected data exceeds the set threshold, it triggers an audible and visual alarm or SMS notification.
Features:
Multi level alarm: supports high limit, low limit, deviation alarm, etc.
Alarm record: Automatically record alarm time, channel, and value for easy traceability.
controlled output
Function: Automatically control external devices (such as pumps, valves, heaters, etc.) based on collected data.
Features:
Relay output: Supports switch quantity control.
Analog output: Supports 4-20mA or 0-10V signal output.