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    How Does Paperless Recorder Work?

    Paperless recorder is a device that records the collected calculation data in the internal storage system of the instrument based on time. The stored data recorded in the instrument is displayed on the LCD screen after calculation and simulation. There are normally digital display, bar graph display, curve display, alarm list and so on.

    Paperless reorder has the advantages of paperless, real-time, high precision, with communication, searchable, intelligent. It is mainly used for various industrial sites such as metallurgy, petroleum, chemical industry, building materials, papermaking, food, pharmaceuticals, colleges and universities, biological research, heat treatment and water treatment. Paperless recorder abandons the shortages of traditional record method of using paper and pens, at the same time, it enhances the quality of recorder and the stability of the recorder, and more importantly, it reduces the operating cost of the recorder, facilitate management, improves work efficiency, and avoids the possibility of manual recording errors.

    The paperless recorder is mainly composed of industrial special microprocessor, A/D converter, read-only memory ROM, random memory RAM, display controller, liquid crystal display, keyboard controller, alarm circuit, clock circuit and other parts. The data collected by the paperless recorder are commonly used: temperature, pressure, flow, liquid level, voltage, current, humidity, frequency, vibration, speed, etc.

    how does paperless recorder work

    The paperless recorder uses a single-chip microprocessor as the core to collect and process various data. The recorded data can be sent to the random memory RAM for storage, or sent to the LCD screen for display, or as needed Zoom in or zoom out at will to facilitate the operator to observe the state of the recorded signal; at the same time, the recorded signal can be compared with the set upper and lower limit signals, and an alarm signal will be issued once the limit it exceeds.

    The A/D converter converts the analog quantity from the recorded signal into a digital quantity for the CPU to perform arithmetic processing. The read-only memory ROM is used to solidify the program. After the power is turned on, the ROM program can make the CPU work, random access memory RAM is used to store historical data processed by the CPU.

    According to difference in sampling time, data can be saved for days or decades. It has backup power which is for making sure that all recorded data won’t lost when the power is off. The CPU can display data on the LCD screen through the display controller, which can generally be displayed on a 7-inch or 10.2-inch color LCD touch screen. The operator makes various settings through the operation buttons or the touchable screen, and the signal is transmitted to the CPU so that the CPU can work according to the requirements of the operator. When the recorded data exceeds the limit, the CPU sends a signal to the alarm circuit in time to generate an alarm output. The function of the clock circuit is to generate the recording time interval, time stamp or date required by the recorder and transmit it to the CPU.

    In addition, paperless recorder is also equipped with a print controller and a communication controller, then data in CPU can connect with external micro printers and personal computers through them to achieve data printing and communication by connecting.

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