PLC programming logic and ladder diagram quiz Quiz
easy
5 Questions
Question 1 of 5
In a ladder diagram, what symbol represents a normally open (NO) contact?
A normally open contact is open until energized.
Question 2 of 5
What does the term 'rung' refer to in a ladder diagram?
A rung is a single line that contains the logic or instructions.
Question 3 of 5
Which of the following instructions is used to control an output in a PLC ladder diagram?
An output coil activates a physical device.
Question 4 of 5
What is the function of a normally closed (NC) contact in a ladder diagram?
An NC contact is initially closed and opens when the input is energized.
Question 5 of 5
Which type of PLC instruction is used to delay the activation or deactivation of an output?
Timers are used to introduce delays in PLC programs.
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