PLC - Logic quiz

What basic ladder diagram logic function is shown here?

• AND

• OR

• NOT

• NAND

What basic ladder diagram logic function is shown here?

• AND

• OR

• NOT

• NAND

What basic ladder diagram logic function is shown here?

• AND

• OR

• NOT

• NAND

What basic ladder diagram logic function is shown here?

• AND

• OR

• NOT

• NAND

What basic ladder diagram logic function is shown here?

• NAND

• NOR

• NOT

• AND

What basic ladder diagram timer logic function is shown here?

• NAND

• On Delay

• Off Delay

• AND

What basic ladder diagram timer logic function is shown here?

• NAND

• On Delay

• Off Delay

• AND

What does a 'Counter' function block do in ladder logic?

• Counts the number of products

• Counts the number of cycles

• Counts the number of inputs

• Counts the number of outputs

What is the function of a 'Timer' in ladder logic diagrams?

• To delay an output

• To count pulses

• To speed up an output

• To synchronize two inputs

In which scenario might an OR gate be used in home automation?

• To turn on the lights only when it is both dark outside and the room is occupied.

• To open a garage door with either a remote control or a keypad code.

• To adjust the thermostat based on temperature alone.

• To lock all doors at once with a single command.