Engineering, 12.03.2020 23:01 miathegeek97

Make a ladder logic for the following function.

A photo-sensor (X7) is used to detect obstacles during garage door closing (only). During the garage door-closing, if an object passes the door to trigger the photosensor X7, it will reverse the closing of the garage door and also sounds the alarm (output Y4) for 5 seconds.

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Make a ladder logic for the following function.

A photo-sensor (X7) is used to detect ob...