Description
Weighing sensor display for various weighing display occasions. 24-bit A / D high-precision weight value, the module can display the weight sensor analog signal while maintaining communication with a computer or PLC and other upper computers, fully meet the requirements of automatic control. It is used for weighing indicator, process control instrument, tensile testing machine, and is suitable for other weighing, mechanical strength test and other measurement occasions.
Product selection:
The A / D, memory, and communication chips used in this module are selected from the world's top electronic device manufacturers. Whether it is the schematic design or the layout and wiring of components on the circuit board, the temperature, humidity, Factors such as vibration and the effects of electromagnetic interference such as static electricity, pulse groups, and electromagnetic radiation have the advantages of strong anti-interference ability, powerful functions, simple operation, strong versatility, small temperature drift, and high linearity, and can be widely used in weighing industry sites.
Communication instructions:
This module can not only realize high-precision weighing under static state, and then through dynamic digital filtering and static digital filtering, make the digital weight signal response faster and more accurate, or can achieve high-speed and accurate dynamic weighing under the conditions of shock and vibration The digital weight signal can be sent regularly through the serial port, or when the weight changes.
Features:
Small size, engineers can carry it with them, support Micro Android interface power supply
HX711 chip can be built on-site for easy debugging
Send data regularly or when weight changes
Measurement signal range: ± 19mV
Temperature coefficient: ≤100ppm / ℃
A / D conversion rate: 6.25 ～ 100Hz
Comprehensive protection function: with multiple protections such as anti-reverse connection, anti-overvoltage, instantaneous suppression, etc.
Operating temperature range: -40 ℃ ～ + 70 ℃; Storage temperature range: -60 ℃ ～ + 90 ℃
Function Description:
Analog-to-digital conversion, digital calibration, peeling, zero setting, anti-shake and other functions
Strong anti-interference ability, strong versatility, small temperature drift, high linearity
Non-volatile storage of characteristic parameters, parameters are still saved after power off;
Display: 4 digital tubes (decimal point can be set, automatic displacement)
Keyboard: 4 keys
Power supply: 5VDC, all copper high-resistant socket 3.5-1.3, power line power supply DC3.5mm
Size: 55 × 35 × 12 (length × width × depth mm)
A / D module acquisition speed: 0-100 times / second optional (default 30)
Number of sensors: 4 350Ω load cells
Application diagram:
(1) Belt scale display
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