The loss-in-weight scale instrument provides users with a single feedback control feeding technology, which eliminates the problems of PLC signal acquisition lag, slow running speed, and poor anti-interference performance, so the accuracy and stability are higher; according to the material characteristics, different screw and feeding methods are selected , The accuracy can reach ±0.2%, which is greatly improved compared with other methods of dynamic flow scales; the weighing platform is made of stainless steel, and the sensor is semi-enclosed by the cover to reduce the material entering the weighing platform and affecting the accuracy of weighing. The part in contact with the material All made of stainless steel;

Technical characteristics of weightless scale instrument meter

1. Original factoryWeightless scale instrumentThe use of field bus technology (CAN) can easily realize multi-point control, data acquisition on the side of the machine, interface expansion and communication with the upper computer, and truly realize the digitization of the system.

2. Dual CPU hardware structure can ensure the real-time performance of the instrument under any circumstances.

3. The weightless scale instrument adopts SMT technology, modular high-performance switching power supply, high-brightness color fluorescent tube (VFD) character display, all industrial-grade components, and small metal shell.

4. The instrument adopts multiple filtering technologies, and the input and output interfaces adopt photoelectric isolation, RC filtering, transient voltage suppressor overvoltage protection and other hardware anti-interference technologies, as well as software anti-interference technologies such as digital filtering, data verification and watchdog reset. interference measures.

5. All products have passed 72 hours of high-temperature live aging, 2-week simulation operation and electromagnetic compatibility (qualitative) test before leaving the factory.

The main functions of the original weightless scale instrument meter

1. It has basic functions such as system setting, parameter modification, interface test, etc. The system setting is used to set the initial parameters of the instrument, which has been set to the default state when leaving the factory. In order to prevent non-professional misoperation, this function is set to password protection .Parameter modification function is used to input commonly used parameters, such as flow setting, etc.

2. The weightless scale instrument can realize various operation modes such as instrument keyboard operation, external signal (port) operation, remote terminal (machine side instrument) operation and upper computer operation, etc., to meet the needs of various users. The remote terminal can be configured 1 to 1 , or 1-to-many configuration (that is, a remote terminal can operate multiple weightless scales at the same time).

3. Using the data acquisition module next to the machine, the digital transmission of the weightless scale signal can be realized. (Optional)

4. Intelligent PID adjustment.

5. It can be connected with the host computer, PLC or DCS through the instrument interface, remote expansion module and communication interface.

6. Can carry out cumulative value control (quantitative feeding control).

7. All input and output interfaces can redefine functions. Users can set the functions of each interface according to their own needs.

8. The gain of the analog input channel can be modified according to the input voltage range.

9. Standby or running state can display 3 screens with a total of 6 parameters, of which 4 parameters can be customized by the user.

10. The maximum value and zero point can be set for both analog input and output.