More than talk about microcomputer combination said some simple fault processing

With the development of science and technology, the bulls microcomputer combined said is widely used in factories, mines, port, wharf and other industries, for material weighing and measuring, so our life is inseparable from the production scale. Due to the long microcomputer combined said has the characteristics of simple, convenient, fast nimble, so everyday use frequency is higher, and use of various environment also inevitably affected by impact, corrosion and so on, so in order to guarantee the accuracy of the bull microcomputer combination according to sex, fault handling, must be made to make it can cope with a variety of environment, does not affect its are commonly used. Instruments work principle is the resistance strain gage posters on elastic sensitive original pieces, and choose the right way of bridge, in the process of weighing quality turn into electrical signal, can realize the function of weighing. Life will inevitably encounter in using multi-head computer combination according to the fault, should be timely solve, so as not to affect the normal use. Multi-head computer combination according to commonly used is resistance strain type bearing sensor, structure is simple, the accuracy of the sensors is high, has the advantages of stable and reliable, and cheaper prices. Multi-head computer combination according to the sensor connections are in parallel, because of the large number of sensors in parallel, as a result, the output of the sensor reactive groups, and output, the sensitivity of the sensor have differences, therefore, can take consistent connection terminal block device to make the output of the sensor. Junction box that is, the sensor will be all summary to a terminal, the whole structure is equivalent to a resistance network, every sensor is equipped with a resistance, want to change the sensor output impedance, can adjust the resistance from the junction box to complete, thus can realize long microcomputer combination according to the output impedance of the sensor, it conforms to the bull microcomputer combination according to the principle and use requirement. Long computer combination said on the header display weighing information, reading by users is more than the entire computer combination according to function manifested intuitively in the header, the inside of the power supply for the sensor to provide the required power supply for the bridge, when the bulls microcomputer combined said placed on a certain quality of object, the sensor will be elastic deformation occurs, the resistance strain gauge block will be next to the corresponding change, then, the sensor will be through the signal transmission in a kind of electrical signals, the signal that is related to the amount of known objects into proportion. The junction box, the signal will be sent to the preamplifier, at this point, the voltage will be amplified, can achieve the required voltage value. Can appear in the process of the transfer, the signal interference, then through the filter to remove interference, electrical signals in the converter will become digital signal, the user and it is concluded that the mass of the body). Multi-head computer combination said in the event of failure will seriously affect the accuracy of measurement, the first step to troubleshoot should do is to accurately locate fault, under the condition of the instrument boot have shown, can use the sensor fault simulator to check, if the instrument work normally, indicates failure occurs in said body section, if the instrument can not work normally, shows the instrument parts fault occurs. If the said body malfunction, the first check box default wiring board is no be affected with damp be affected with damp, or aging, corrosion and so on, also may appear the situation of the poor contact, row except dry method is relatively simple to use hair dryer, or completely replace directly connect line board, desiccant, etc. Should also use the multimeter to check whether the cable is short circuit or wire break, advantage will check station due to the high school attached to different degree of deformation, should make sure to check machine weight after deformation degree and the platform level. Also should make sure limit in 2 - adjustment 3 mm gap between top limit die are prohibited. Instrument malfunction must be conducted by professional inspectors troubleshooting, to make the system can quickly return to normal, the user can use the replacement PCB square method to make the system back to normal, will damage the PCB after door, to the professional maintenance department for repair. If it is a sensor failure, will be using a digital multimeter to measure resistance value way to examine the fault, if found a discrepancy between the measured value and the actual, suggests that the sensor needs to be replaced.

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