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True or False! When A PLC program is running and is online will the background of the program go grey and power flow be shown in green?

Design the PLC program! We are looking to have the following:

Three N.O momentary start push buttons to turn on three lights. (1 PB per light)

Stop 10001 will be used to turn off any or all lights

Only one light can be "Sealed" on.

For example, if you were to press any one start, then the corresponding light will turn on and stay on when you release the Start PB.

All three lights can be on at the same time if all three start buttons are pressed but only one light will remain on when you let go of the start buttons.

Choose from the following four circuits:

Circuit 1

Circuit 2

Circuit 3

Circuit 4

Examine the following PLC logic diagram and determine the condition for each output if input 001 is closed and input 004 is opened.

Using the following diagram determine the output status for the condition where input 001 and 003 are closed. Note input 002 and 004 remain closed.

What does the N stand for in the picture below:

Examine the following PLC logic diagram and determine the condition for each output if input 001 is closed and input 004 is opened.

Using the following diagram determine the output status for the condition where input 001 and 003 are closed. Note input 002 and 004 remain closed.

What does the N stand for in the picture below: