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The main patrol inspection work of high and low voltage distribution cabinet mainly includes

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In electrical engineering, control cabinet is an important equipment, because many electrical equipment need to be used in the process of electrical engineering construction to ensure the smooth progress of electrical engineering and the safety of construction personnel Before the assembly of the control cabinet, we must understand its structure, each part of the control cabinet, its working principle and problems needing attention in the assembly. According to the functions and designed structure of each part, the control cabinet can achieve ideal working conditions

 

Secondly, it is in accordance with the drawings and assembly technical requirements, because many model control cabinets will have differences in the assembly of different types of control cabinets, so we should pay attention to the technical requirements, only in accordance with the strict technical requirements to make the assembly of high-value equipment However, if the control cabinet is not designed according to the technical requirements of assembling the control cabinet, its normal use will be affected and its safety cannot be guaranteed Relay, generally in the PLC control loop, can give instructions directly, or can be transmitted through the relay on May 1 For example, if your charge is that the PLC outputs 24 V DC, but your control circuit diagram. The PLC node needs 220 V, so you must add a relay. When the PLC outputs the command, the relay acts, but the control circuit node receives the normally open or normally closed relay point Select whether to use the relay according to the situation

 

The main patrol inspection work of high and low voltage distribution cabinet mainly includes:

 

1. Whether the high and low voltage components are firmly installed

 

2. Whether there is serious fever

 

3. Whether the operation is flexible and reliable

 

4. Whether the capacitor has bulge and liquid leakage

 

Terminal, the necessary objects of each cabinet can be configured according to the number of signals If it's just a simple PLC control cabinet, you basically need these items. If you're in the control cabinet, you still need to see the situation There are other things, for example, you may want some field instruments or low-power control boxes, and the opening of Shandong distribution cabinet may be increased Or if you want to get the first machine, the PLC may need to add switches

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