The more common method of Hui non-standard automation equipment fault detection
First Hui smaller DaYangXianWu to tell you about the concept of non-standard automation equipment, non-standard automation equipment for manual operation, automatically complete a specific job. This is essentially the view automate manual instead of people. Later, with the development of electronic and information technology, especially with the advent of computers and the widespread application of the concept has been extended to automate machines (including computers) not only replace human physical labor but also to replace the factory automation equipment or auxiliary mental, to automatically complete a particular job.
Generalized connotation automation include at least the following: In terms of form, meaning manufacturing automation has three aspects: physical labor instead of people, instead of the person's mental or auxiliary coordinate manufacturing system and the whole system of human-computer, management, control and optimization. In terms of functionality, automation instead of manual or mental person is only part of the target system automation. Automated functional goals are many, has formed an organic system. In scope, manufacturing automation not only related to the specific manufacturing process, but all the processes involved in the product life cycle.
Now non-standard automation equipment in the enterprise increasingly high penetration, high penetration rate, while equipment failure also been rising, and today more intelligent automation to introduce automation equipment used several methods of fault detection.
1. Check the non-standard automation equipment all power, gas source.
Problems Power, gas source will often result in automation equipment to malfunction. Such as power supply problems, including the failure of the entire power plant, such as electrical power is low, the insurance burned plug poor contact; air compressor is not turned on, pneumatic FRL or FRL is not turned on, the flow restrictor is closed and so on. Automatic detection equipment should include the following aspects: the power required for each device including power supply and power supply shop and pneumatic pressure source device.
2. Check the non-standard automation equipment if there is an offset position sensor.
Due to equipment maintenance personnel negligence, some sensors may position errors, such as not in place, sensor failure, sensitivity failure. Always check the sensor sensing the position and sensitivity deviation timely adjustment sensor if broken, replace immediately. In many cases, moreover, the vibrations of automation equipment, most of the sensors in the long-term use, there will be the location of loosening the situation, so when routine maintenance should always check the position of the sensor is correct, whether firmly fixed.
3. Check the non-standard automation equipment relays, current limiting, valves
Relays and magnetic sensors, like the case of long-term use will appear Ground adhesions, which can not guarantee the normal electrical circuit needs to be replaced. In the gas loop system, the flow restrictor and a pressure regulator valve spring, but also with the shock devices appear loose or sliding conditions. These devices and sensors, automation equipment are required to perform routine maintenance parts.
4. Check the electrical, electromagnetic valves, air inside the loop connecting element
If the above three steps have not found any problems, check all circuit. Check whether the circuit breaker wire, especially if the wires inside the trough is due to pull trough cut off. Check whether there is damage to the trachea of creases or cracks. If severe tracheal creases or cracks, replace immediately.
5. Check whether the reversing valve, the solenoid valve is energized by the solenoid valve so that the cylinder commutation action when the solenoid failure, the valve does not move, can not lead to action cylinder. If more moisture in the air loop, dust, can also lead to valve stuck, blocked, causing the cylinder can not be action,
6. In the above steps to ensure that correct, the fault may occur only in the controller automation equipment, but it can never be a question of procedure. First, do not destroy the controller must be, as long as there have been no serious short circuit, internal controllers have short circuit protection, short circuit will not burn the controller general.
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