When any part of the equipment is abnormal, there should be foolproof in the PLC program, the equipment will automatically stop, and the alarm light will flash to remind and the alarm information will be displayed on the touch screen or PC screen at the same time, and at the same time, after prompting the cause of the abnormality, it will prompt how to deal with it. After the abnormality is eliminated, it is necessary to reset the alarm to resume operation.
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