2. Check the sensor position of the automation equipment for offset. Due to the negligence of equipment maintenance personnel, there may be errors in the location of certain sensors, such as not in place, sensor failure, sensitivity failure. It is necessary to frequently check the sensing position and sensitivity of the sensors, deviation in time to adjust, the sensor, if it is broken, immediately replace it. Often, in addition, due to the vibration of automation equipment, most of the sensors after long-term use, there will be a loose position, so in the daily maintenance should always check whether the sensor position is correct, whether it is fixed firmly.
3. Check the relays of automation equipment, flow control valves, pressure control valves relays and magnetic inductive sensors, the same as long-term use will also appear on the hitch sticking, so as to ensure that the electrical circuit is not normal, need to be replaced. In pneumatic or hydraulic systems, throttle valve openings and pressure regulator springs for pressure valves can also loosen or slip with the vibration of the equipment. These devices, like sensors, are components in automation equipment that require routine maintenance.
4. Check Electrical, Pneumatic and Hydraulic Circuit ConnectionsIf none of the above three steps reveal any problems, then check all circuits. Look for breaks in the wires in the circuits, especially the wires in the wire ducts to see if they have been cut by the ducts due to pulling. Check the air lines for damaging creases. Check for blocked hydraulics. If the air hose is badly creased, replace it immediately.
5. After ensuring that the above steps are correct, the fault may appear in the controller of the automation equipment, but it can never be a program problem. First of all, do not be sure that the controller is destroyed, as long as there has not been a serious short-circuit, the controller has an internal short-circuit protection, general short-circuit will not burn the controller. Any automation equipment is composed of three parts: the actuator, the sensor, and the controller. When the automation equipment suddenly fails to work, or the work sequence is out of order, it is necessary to carry out troubleshooting. Here we are from the three parts of the composition of the equipment to understand the method of diagnosing automation equipment failure.
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