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The digital modular electronic truck scale is composed of a digital load cell, a digital weighing display, and a modular load-bearing platform. Digital technology enhances the quality of electronic truck scales, making it easier to debug, safer to use, easier to maintain, more convenient to communicate, more intelligent, and more resistant to interference.

Digital electronic truck scale features
1
, digital communication technology
1 RS485 bus technology is adopted to realize long-distance transmission of signals, and the transmission is not less than 1000 meters;
2 The output digital signal amplitude is 3 ~ 4V , which enhances the anti-interference ability and improves the lightning protection capability of the system;
The 3 bus structure facilitates the application of multiple load cells. In the same system, more than 32 weighing sensors can be connected .
2
, intelligent technology
1 Prevent the use of simple circuits to change the weighing signal and size;
2 The sensor characteristic parameters can be changed according to the instructions.
3 memory ability eliminates the calibration problem after replacing the sensor.
3
, digital calibration technology
1 to make the instrument eccentric load (four corners) calibration automatically completed once;
2 to make the scale calibration of the instrument complete once;
3 You can modify the range factor and zero point value of the instrument, the coefficient of each sensor and the zero point parameter as needed.
4
, fault diagnosis technology (Shanghai Taizhi Heng)
1 has the ability to diagnose the change in the zero value of the instrument;
2 has the ability to diagnose the change in the zero value of each sensor;
3 has the ability to diagnose the communication changes of each sensor;
4 has the ability to indicate that the address and the number do not match after replacing the sensor;
5 has the ability to prompt a variety of operational error messages.

Digital load cell features
1
, digital technology
1 The load cell adopts a highly integrated and highly intelligent processing unit with full digital output;
2 Self-compensation of parameters such as nonlinearity, hysteresis, enthalpy change and temperature performance of the symmetric weight sensor;
3 can prevent cheating by means of a simple circuit to change the size of the weighing signal.
4 memory ability eliminates the calibration problem after replacing the sensor.
2
, digital communication technology
1 RS485 bus technology is adopted to realize long-distance transmission of weighing signals, and the transmission distance is not less than 1000 meters;
2 The output signal can reach 3 ~ 4V , which enhances the anti-interference ability and improves the lightning protection capability of the system.
3
, bridge technology
1Using double shear beam structure, excellent resistance to lateral force and impact resistance;
2 The steel ball transmits force, which improves the automatic centering and resetting ability;
3 On-site installation is convenient and quick.
4
, protection technology
The degree of protection reaches the IP68 level in the GB4942.2 standard .

Digital weighing display features

1 , man-machine dialogue function
The main unit and the sub-menu can be used to operate items such as weight unit, tare weight, digital peeling, accumulation, and time and date.
2
, storage function
1 You can store 200 sets of car number / tare value in the instrument with eight digits , or you can enter the car number / tare value through the numeric keypad .
2 You can enter 50 sets of code set values ​​into the meter with eight digits . Each set of codes includes: code number, tare value, lower limit value, under value, over value, accumulation and number of times.
3
, cumulative function
Accumulation has 4 kinds of accumulation methods: manual accumulation, automatic accumulation, print accumulation and record accumulation, zui large cumulative value and accumulation times can be up to eight digits, and also has a reduction or accumulation correction function.
4
, recording function
It can record 1200 sets of weighing data, including: code, car number, gross weight, net weight, time and date.
5
, query function
Features with query weighing data, code and calibration parameters
6
, communication function
1 With a standard parallel printing interface, you can connect most printers with nine or twenty-four digits and eighty columns.
2 with RS-232C and 20mA current loop interface
7
, programming function
The user can select 32 parameters to program the appropriate parameters within the specified range to make the meter suitable for various situations.
8
, calibration function
The instrument can be used for automatic and manual calibration of the eccentric (four-corner) parameters, range parameters, and empty scale parameters.
9
, address allocation function
Since the digital sensors in the weighing system are all connected to the RS-485 bus. For digital communication, each digital sensor must be addressed. The weighing display addresses each sensor in the system based on the identification value of the digital load cell.
10
, fault information prompt function
The weighing display has the function of prompting 25 kinds of fault information during installation, commissioning, and calibration .

Shanghai Kagawa - Technical Engineering Department

Keywords: explosion-proof electronic platform scale, electronic scale, Shanghai electronic pound scale, electronic platform scale, forklift electronic scale

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