The weighing module takes a typical chemical reaction kettle weighing as an example. Three pressure weighing modules installed at the bottom of the reaction kettle transmit the weight signal of the kettle body to the junction box. The signals of the various weighing modules are connected in parallel in the junction box, and the angle difference can be adjusted according to the load conditions of each weighing module. The weighing terminal or weight transmitter processes the weight signal into corresponding weight data. For non-professional users, it is very difficult to directly use the load cell.
The weighing module is a new type of weighing element. It combines components such as load cells, load transfer devices and mounting connectors, and can be easily connected to mechanical devices of various shapes, such as raceways and platforms , Vertical tanks, tanks, hoppers, etc. The system installed with the weighing module can not only ensure the high accuracy and long-term stability of the weighing sensor, but also solve the weighing error caused by improper installation. Equipment measurement using the weighing module can usually achieve a weighing accuracy better than five ten thousandths. Adopt stainless steel material, effectively resist corrosive substances. The three structures of fixed, floating and semi-floating can be used under various harsh conditions. In an installation method using four dynamic load modules, generally two of the modules are limited on three sides, and the other two modules are limited only at the ends.
According to the force characteristics of the weighing module in actual application, the weighing module is divided into two types; static load weighing module and dynamic load weighing module. The static load weighing module is suitable for occasions that are only subjected to vertical forces. Such as the weight detection of reaction kettle, tank and storage hopper. The dynamic load module is suitable for occasions where the acting force is obvious. Such as platform, production line, conveyor belt weight detection.
Limited alarm and fixed value control-technical support
The limited alarm prompt can easily indicate the problems in the automatic weighing process. The user can set the alarm function in the process programming, such as: over-alarm alarm, under-alarm alarm, and can also set the alarm to perform different operations.
For example: enable the overweight alarm function in the process programming and set the overweight value to 0.5kg (quantitative value is 100kg). After executing the automatic process, the system executes the process and closes all discharge doors and waits for the weighing value to stabilize If the actual value is 100.6kg, then the switch output point will output an excess alarm signal as a reminder, if it does not exceed 0.5kg, the system continues to execute.
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