Replacing PLC by Timer and Relay Circuit using Logic Wiring in Refill Sorting Machine


Authors : Pawar Sameer S

Volume/Issue : Volume 4 - 2019, Issue 11 - November

Google Scholar : https://goo.gl/DF9R4u

Scribd : https://bit.ly/2MsaAil

The plc costs upwards of 60000 inr. For low budget projects it is not feasible to use such a high cost component. This plc replacement by the use of various components like electric brake drum motor, controlled by timers, relays as the intermediate components and optical sensors as the input devices. The output comes as sorting of the metal or any other parts according to if the part is fully assembled, partially assembled or not assembled at all. The whole project can cost about 200000 inr which is very expensive. This machine serves the function of a much larger machine in a very cost effective manner and is mobile. The larger machines are bulky, have to be imported, expensive and takes lots of maintenance. This problem is solved by the machine developed in-house, thus saving cost, time and human effort.

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