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Since 2012 - Smart Weigh is committed to helping clients increase productivity at a reduced cost. Contact us Now!
Author: Smartweigh–Multihead Weighter
Electronic crane scales, truck scales, electronic forklift scales, unique electronic scales, key points of maintenance of multihead weighers in Dongguan electronic scales: fault detection and analysis in the application of multihead weigher maintenance sensors, and the common fault conditions of multihead weighers in automation technology have always been After the digital display instrument of the terminal equipment of the system software is mainly manifested, and the common fault conditions are mainly manifested, it is not necessary to blindly follow the trend to disassemble the weighing sensor. The following methods can be used: open the positive and middle terminals, and check the working attitude of each sensor with a multimeter, and distinguish whether a sensor has a common fault. In this way, the scope of common faults is reduced, the common fault sensors are found, and the operation status caused by common faults is immediately grasped and fault detection is carried out.
Therefore, the common faults caused by the sensor are often related to the application of irregularities or the abnormality of the mechanical equipment; check the installation of the mechanical equipment of the weighing sensor; clear the equipment fault with a shaker to check whether the cable is damaged. The application characteristics and common faults of the multihead weigher meter sensor cause: the working temperature causes different harm to the weighing sensor of different levels. The temperature and natural environment of the sensor at the application site and the measurement verification work are far away. Therefore, when the user finds that the sensor has excessive temperature drift in the application, he should take effective measures to create a relatively stable temperature environment around it. .
Zero-point shift due to overweight and wheel weight. In application, if the force application plane is not parallel to the base plane of the support point, the wheel weight situation will be extreme. Overweight or wheel weight will cause a large plastic deformation in a certain part of the polyurethane elastomer, the zero point will suddenly increase, and some of the stress will exceed the strength limit, which will cause the sensor to be destroyed.
The zero-point transition due to the influence of the magnetic field. If the indoor space magnetic field of the application site is suddenly impacted or changed, a non-constant magnetic induced potential difference will be excited on the bridge Internet or data signal coaxial cable, which will cause the sensor output to fluctuate. Common problems in the application of multihead weigher sensors: the display cover and the chassis grounding device ensure that the sensor itself has a stable zero potential difference; it is strictly forbidden to place hanging objects on the weighing platform for a long time to prevent the sensor from causing growth; it is necessary to check whether the system software is unsatisfactory. Status; ground potential difference grounding device should take into account the change of power engineering load and the hazards of lightning strikes.
Multihead weigher table sensor fault detection and common problems The basic principle of pairing weighing sensor and multihead weigher table A multihead weigher machine equipment, whether it is a floor scale or a weighing scale, a crane scale, a sorting scale, a packaging scale, etc., will inevitably have a weighing sensor And the multihead weigher table, what is the relationship between the weighing sensor and the instrument panel? The following net will introduce the matching formula between the weighing sensor and the instrument panel in detail. The matching formula of the weighing sensor and the multihead weigher table: the output sensitivity of the weighing sensor * the encouraged power supply voltage * the degree of myopia of the larger weighing scale of the scale * the number of sensors * the measuring range of the sensor For example: a quantitative weighing of 50kg Packaging scale, the maximum sub-degree of myopia is 1000 measurement ranges; the scale body uses 3 Z6FC3/50kg sensors, the measurement range is 50kg, and the sensitivity is 2.0±0.008mV/V, electric working pressure of cable-stayed bridge is 12V; the scale uses AED9101C instrument panel. Ask if the selected sensor can be paired with the instrument cluster.
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