Automatic weighing packaging weighing method
First of all, after checking the sensor wiring of the automatic quantitative packaging scale, turn on the power of the control cabinet and warm it up for 15 minutes before debugging. In this paper, the maximum capacity of 100kg, the division value of 0.2kg, the quantitative value of 90kg, and the accuracy level of the satisfactory X(0.2) skill demand are taken as examples for analysis as follows:
(1) Partial load adjustment
Place the 10kg weight and place it on the two weighing points of the weighing bucket. When the weighing indicator shows a "positive difference", the sensor output should be adjusted to the falling direction; when the weighing indicator shows a "negative difference," the sensor output should be adjusted to the progressive direction. For example: When the output of the L/C-1 sensor drops, a set of trimming resistors (original value 10 ohms) associated with L/C-1 will be rotated to the left with the same amount of rotation.
Rotation to the right (clockwise) decreases the resistance value, and the apparent value increases (recorded as "plus");
Rotate counterclockwise (counterclockwise) to add the resistance value and the resulting value decreases (denoted as "minus").
Note: When rotating the trimmer resistors, if the rotation of each group is not common, the adjustment will become difficult. Therefore, the rotation of each set of trimming resistors of the sensor should be as common as possible. The absolute value of each commitment is not more than 10g as qualified.
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