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What is industrial AutomationIndustrial? Automation is often a technique through which we make pay human control to machines. In industrial automation machines are developed to accomplish the tasks which humans utilized to achieve. Why it is done? Because of its advantages: Through Industrial automation we will do mass production with less manpower Quality in the method is increased Safety of person & devices are increased More accurate process control Since human intervention is less so reliability in the system is higher Systems operate is low power supply, more electronic control so equipment life's 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 accustomed to control the task at each and every step. Human intervention was there each and every step. Drawbacks were poor output, errors involved in human involvement affected compromised safety, wastage of raw material, and accuracy of human action.Then came Pneumatic Control: Industrial automation within this era was achieved through invention of pneumatic controllers in early 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 with the logic was very complex procedure since plenty of rework was necessary 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 https://idealprocessandautomation.com.au/ resulted into bulky panels. A lot of wiring was involved so time come to complete task was higher. Defect investigation & troubleshooting was complex.Electronic Control using Logic Gates: In early 60s electronics dominated the procedure, electronic logic gates were utilised for achieving logical operations. they replaced switching devices like relays and contactors inside control circuits. Electronic times & counters replaced mechanical timers & counters. Due to use of electronics space and energy requirements reduced, maintenance requirement reduced & systems were more reliable.