I appreciate any help here. Please print as its hard for me to read handwritting

Question

I appreciate any help here. Please print as its hard for me to read handwritting. Thank you!

(1) Describe the “Examine If Open” instruction and provide an example of a physical component with a normal status that will make the instruction false.

(2) The toggle switch has been closed for two minutes. During the first 15 seconds after the closing of the toggle switch, pushbutton I2 was pressed four times. Describe what the status of the motor and the pilot light (PL) will be at the two minute mark.

01 TON (Timer On Delay) Timer Timer Base Preset Accumulated T1EN 0.1 300DN) CTU (Count-Up Counter) 12 T1/DN Counter Preset Accumulated 0 12 DN) C2/DN 02 (PL C2 RES

Explanation / Answer

1) If we want to turn ON a motor by clicking a switch examine if open (XIO) switch is not used, because XIO switch will be inON state when the switch is not pressed and at that time the motor will run but we want the motor to run when switch is pressed

2) when the I1 is pressed for first time, the motor (M) is ON and the pilot light (PL)is OFF.

In first 15 seconds we are pressing I2 four times so counter reads accumulated value as 4 but preset value is 5. So after that 15 second of we again click the I2 the accumulated value become 5 and DN=1 and O2 is ON and pilot light is ON.

Motor will be ON until I1 is ON.  

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