Common methods for automated equipment fault detection

Now automation equipment in the enterprise penetration rate is higher and higher, the penetration rate is high at the same time, equipment failure rate will simultaneously rise, today, Huizhou City, Sony Machinery Co., Ltd. Automation, automation equipment for you to introduce several common methods of fault detection automation equipment .

1. Check all the automation equipment power, gas source.

Power, gas problems often lead to automation equipment failure. Such as power supply problems, including the power failure of the entire workshop, such as low power, insurance burned, poor contact with the power plug, etc .; air compressor is not open, pneumatic triac or two parts not open, the current limiter is turned off. The following aspects should be included in the testing of automation equipment: Power supplies, including the power supply for each unit and the power supply for the workshop and the pneumatic source required for the pneumatic unit.

2. Check if the sensor position of the automation device is offset.

Due to the negligence of equipment maintenance personnel, some of the sensors may be in an error position, such as not in place, sensor failure, sensitivity failure and the like. Always check the sensor's sensor position and sensitivity, deviation occurs in a timely manner to adjust the sensor if broken, immediately replaced. In many cases, in addition, due to the vibration of the automation equipment, most of the sensors are loosened after being used for a long time. Therefore, during routine maintenance, always check whether the sensor is in the correct position and firmly fixed.

3. Check the automation equipment, relays , restrictors, pressure relief valve

Relays and inductive sensors, as long-term use will also appear on the ground adhesion situation, which can not guarantee the normal electrical circuit needs to be replaced. In the gas circuit system, the pressure-limiting spring of the restrictor and pressure reducing valve can also loosen or slide as the equipment vibrates. These devices, like sensors, are components that require routine maintenance in automation equipment.

4. Check the electrical, solenoid valves, gas circuit connected to the internal components

If none of the above three steps detect any problems then check all loops. Check whether the wire in the circuit breaks, especially if the wire in the wire slot is broken by the wire slot. Check trachea for damaged creases or tears. If the trachea is severely creased or cracked, replace immediately.

5. Check the solenoid valve for commutation action, the solenoid valve solenoid valve is actuated by the cylinder to commutate the role, when the solenoid failure, the spool does not move, leading to the cylinder can not move. If the gas circuit more water, dust and more, can also cause the spool stuck, blocked, resulting in the cylinder can not move, 6. In ensuring that the above steps are correct, the fault may appear in the automation equipment controller , but It can never be a procedural issue. First of all, do not be sure that the controller is destroyed, as long as there is no serious short circuit, the controller has a short circuit protection, the general short circuit will not burn the controller.

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