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Industrial Automation Control Systems

industrial automationDue to the rapid advances in technology, all industrial processing systems, factories, machinery, test facilities, etc. turned from mechanization to automation. A mechanization system needs human intervention to operate the manual operated machinery. As new and efficient control technologies evolved, computerized automation control is being driven by the need for high accuracy, quality, precision and performance of industrial processes.Automation is step beyond the mechanization which makes use of high control capability devices for an efficient manufacturing or production processes.

What is Industrial Automation?

The word ‘Automation’ is derived from ancient Greek words of Auto (means self) Matos (means moving). Thus, a mechanism move by itself or self dictated is called automation. As compared with manual systems, automation systems provides superior performance in terms of precision, power and speed of operation. industrial automation is the use of control devices such as PC/PLCs/PACs etc. to control industrial processes and machinery by replacing as much as possible labour intervention and dangerous assembly operations with automated ones.

In industrial control a wide number of process variables such as temperature, flow, pressure, distance, and liquid levels can be sensed simultaneously. All these variables are acquired, processed and controlled by complex microprocessor systems or PC based data processing controllers.industrial automation Control systems are the essential parts of an automation system. The various types of closed loop control techniques ensure the process variables to follow the set points. In addition to this basic function, automation system employs different other functions such as computing set points for control systems, plant start up or shutdown, monitoring system performance, equipment scheduling, etc. The control systems along with monitoring adapted to the operating environment in an industry for flexible, efficient and reliable production system. The automated system needs special dedicated hardware and software products for implementing control and monitoring systems. In recent years, the number of such products have been developed from various vendors which providing their specializing software and hardware products. Some of these vendors are Siemens, ABB, AB, National Instruments, Omron and so on.

industrial automationReasons for Automating

As we are living in the highly competitive business environment, the industry or in other words manufacturers is challenged by the factors like withstand to harsh manufacturing environments, meeting latest energy efficient standards and to offer a robust level of security, etc. Some the following are the reasons used to justify the automation.

To Increase the Labor Productivity

Automation increases the production rate by producing greater output for a given labor input. It is not possible for human workers to work for long hours without losing accuracy. In other hand, without compromising on accuracy, automated control systems able to work for long hours. Hence increased productivity and efficiency per hour of labor input.

To improve the Product Quality

One of the chief benefits of the automation is that the reduction of fraction defect rate. With the manual operation of manufacturing process, there may be a compromise on quality specifications of the product. But the automation system performs operations with greater conformity and uniformity to the quality specifications. By using the automation systems, industrial processes are controlled and monitored at all stages in order to produce a qualitative end product.
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