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What is industrial AutomationIndustrial? Automation is a technique through which we make give over human control to machines. In industrial automation machines are developed to accomplish the tasks which people used to achieve. Why it is done? Because of its advantages: Through Industrial automation we are able to do mass production with less manpower Quality with the strategy is increased Safety of man & equipment is increased More accurate process control Since human intervention is less so reliability with the system is higher Systems operate is low energy, more electronic control so equipment every day life is higher Changes in process logic becomes easier since logics are changed mostly through softwarePrincipal Industrial Automation MNCs L & T ? ALSTOM Schneider ? FESTO Siemens ? Fuji Electric Allen Bradley ? Toshiba Messung ? TATA Honeywell Modicon ? Omron Mitsubishi ? Fanuc Asia Automation ? DeltaHow? industrial automation control system Evolved?Initially automation was achieved through manual control, operators utilized to control the method at every step. Human intervention was there at every step. Drawbacks were inferior output, errors linked to human involvement affected compromised safety, wastage of raw material, and accuracy of human action.Then came http://thedemonslair.us/wiki/index.php?title=How_to_Choose_Programmable_RGB_LED_Controller : Industrial automation with this era was achieved through invention of pneumatic controllers noisy . 1920s. Automation was achieved by controlling air to pneumatic valves, which in turn were actually switched on/off by relays and switches. They were very bulky and changing in the logic was very complex procedure since lots of rework was forced to accomplish alternation in logic. So time taken up complete task changes was very highHard wired logic control: contactors, relays (for switching), timers and counters (for timing and counting) were utilized for achieving desired industrial automation. But these systems also resulted into bulky panels. A lot of wiring was involved so time taken to complete task was higher. Defect investigation & troubleshooting was complex.Electronic Control using Logic Gates: In early 60s electronics dominated the task, electronic logic gates were used for achieving logical operations. they replaced switching devices like relays and contactors in the control circuits. Electronic times & counters replaced mechanical timers & counters. Due to usage of electronics space and requirements reduced, maintenance requirement reduced & systems were more reliable.