Suppose we have a PLC connected to three pushbutton switches as shown in this illustration:
In the above diagram :
Determine the switch actuation statuses (i.e. pressed versus released) given the “live” display of the ladder logic program shown here:
Also, determine the status of the lamp connected to the PLC’s Y1 output.
Switch statuses:
The lamp will be de-energized.
Share Your Answer / Comments
Credits : Tony R. Kuphaldt – under CC BY 1.0
Create PLC programming for pumping and draining for 20 seconds to fill the tank and…
Design a control system for automatic door lock with delay using PLC programming and motion…
In the PLC emergency stop example program, when the emergency button is pressed, the elevator…
This article is about controlling the double-acting pneumatic cylinder movement control with a timer circuit.
In this article, we will review the main responsibility scopes of the instrumentation and electrical…
Learn the daily alarm PLC program using real-time clock instruction as per the required timings…
View Comments
A lampada só acenderar se A e C for prenssionados juntos
Translated : The lamp only glow if A and C together is present.
thank you
The lamp only glow without any action on pushbutton means exiting field wiring and logic instruction condition is true when power on