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How to Design an Electric Control Cabinet

Electric Control Cabinet

The design of electric control cabinet is a kind of logic thinking, as long as it accords with the logical control law, ensures safty operation of electric system, and satisfies the production process requirement, can be considered a good design. According to the manufacture and use demand of electric control equipment, it is important to complete the system design including structure and overall configuration design of electric control cabinet, design of general wiring diagram, electrical assembly drawing and wiring diagram for every part. In addition, some technical materials such as part of the component catalogue, input and output cable number, list of major materials, etc, are also required.

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Basic Design of PLC Control System

PLC Control System

Since PLC came into being, it has realized leap-type development from wiring logic to storage logic. Its function from weak arrive strong, carried out logic control to digital control. Applications become more and more widely, It made a leap from simple control for single equipment to various tasks such as motion control, process control, distributed control, etc. Nowadays PLC has greatly improved its capabilities in analog processing, digital operation, human-computer interface and networks, becoming an essential control equipment in industry control fields, developing a more and more big function in all walks of life.

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Guide to PLC Software Programming

PLC Software Programming

PLC is also called programmable logic controller, there are more and more kinds and brands of PLC in the market, and their application fields are more and more widely, PLC plays a more and more important role in industry control especially in sequential control, it has no substitute in the foreseeable future. Generally manufacturers will write the software for PLC before it leaves the factory, but frequently we need to rewrite the PLC program to meet production requirements. This requires our software engineers to develope a good habit in daily programming. No one can draw a square and a circle without proper tools, following are the basic steps of PLC software programming:

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