The number 86 will be displayed for five seconds, then the screen will remain blank for five seconds, and the number 78 for 7 seconds will appear, and the screen for 7 seconds will remain blank, and the number 86 will appear for 5 seconds.This cycle will continue until the stop button is pressed.Each segment will be triggered by an output on the PLC.

By using PLC S7 300 device;

I. Draw the holistic picture of the system and show its connections with PLC. ii. Create a table with the details of the input and output addresses you use. iii. Create the necessary software with the logic of the stairs.