PLC..

B) Program using LADER the following sequence of operations as part of an industrial process. For S7-1200 Siemens PLC (CPU 1215C) with SM 1234 AI/AQ expansion module

-When start pushbutton is pressed, the belt begins its movement in a forward direction.

-The movement stops when the sensor S1 detects the bottle.

-At this instant, valve 1 and valve 2 open allowing material 1 and material 2 to be poured into the mixer chamber. This process continues for 3 seconds.

-Directly after that, the mixer and heater starts its running that continues until the temperature become 50 C which selected by potentiometer.

-After that the mixer and heater stop, and valve 3 opens for 6 seconds allowing the mixed material to be poured in the bottle.

- Then the belt will work again to drop the bottle in the box

-After that, the process recycles.

- After 10 pieces, the task stops and waits to restart it.

- You can stop the task whenever you want

-Determine the potentiometer value to give 50 C.