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Instruments and Apparatuses

Before the “Tenth Five Year Plan” and 2010, a batch of marketable and effective products should be developed as soon as possible, with a variety share of 70% to 80% and a market share of over 60% for high-end products; Through technological breakthroughs and new product development, the product quality level has reached the international level of the late 1990s, with some products approaching the advanced level of similar foreign products.

Electrical measuring instrument

Information technology electrical measuring instruments mainly develop software and intelligent technology, bus based automatic testing technology, comprehensive automation testing system, new component measurement technology and testing instruments, online testing technology, information industry product testing technology, multimedia measurement technology and corresponding testing instruments, electricity monitoring management technology, etc.

Programmable Logic Controller (PLC) is a digital electronic device with a microprocessor, used for automation control. It can load control instructions into memory at any time for storage and execution. The programmable controller is modular and composed of internal CPU, instruction and data memory, input and output units, power modules, digital analog and other units.

Widely used in the field of industrial control. Before the emergence of programmable logic controllers, it was generally necessary to use hundreds or thousands of relays and counters to form automation systems with the same functionality. However, now, simple programmable logic controller modules that have been programmed have basically replaced these large devices. The system program of programmable logic controllers is usually initialized before leaving the factory, and users can edit corresponding user programs according to their own needs to meet different automation production requirements

Initially, programmable logic controllers only had the function of circuit logic control, so they were named programmable logic controllers. Later, with continuous development, these originally simple computer modules had many functions, including logic control, timing control, analog control, multi machine communication, and so on. The name was also changed to Programmable Controller, However, due to its conflicting abbreviation between PC and Personal Compute