In order to overcome the difficulty in the conventional system, the PLC based automated system using Embedded controller is used for distributing the water to the people equally according to their utilization. In traditional system there is no proper method followed for the distribution of water. This paper portrays about the PLC based automatic corporation water distribution system, which helps us to distribute the water automatically according to the needs of the particular locality. The monitoring of water can prevent the occurrence of stealing and leaking of water effectively for the household. Many people have been suffering a lot to bring water in time. In the Present scenario, availability of drinking water is very huge problem in many states including Tamilnadu. This paper focuses on literature review of water level and quality monitoring. Water quality affects the aquatic life and influence the human health, so water quality monitoring is crucial. Therefore, there is a need to maintain a constant level of fluid when the fluid inflows and outflows the tank in these industries.
Level control is one of the most important applications in chemical process industries, food beverages industries, pharmaceutical industries, nuclear power generation plants etc. Level control is one of the most important tasks for the process control engineer. As this prevents wastage of water, saves man power and electricity. So, water level monitoring is utmost important.
Many times in household, apartments and offices water is wasted unknowingly. Water is one of the important natural resource. Measurements carried out in laboratory show that the accuracy of some millimeters could be achieved. In order to illustrate flexibility of the designed system the front panel of the developed virtual instrument is presented. A prototype of a liquid level monitoring system based on float sensors, electromagnetic valve, Matlab and LabVIEW environment is developed for measuring liquid level accurately and accordingly maintaining the level of liquid close to the reference level. Using this approach the cheaper and more versatile measurement system can be developed. With virtual measurement technology, more of the instrument can be substituted by software. It made the product expensive, with low functionality and with limited precision. Most of the traditional measuring systems were designed and implemented by complicated hardware circuitry.
The purpose of study paper is to demonstrate an innovative approach for low cost continuous liquid level monitoring based on virtual instrumentation.
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