27) 2.2 choose correct diagram A B C or D and short explanation why other option

Question

27) 2.2

choose correct diagram A B C or D
and short explanation why other options will not work

first picture data sheet
Second pictures diagrams

diagrams

le Controllers 343 Chapter 27-Prog Selector Switch Line Diagram to PLC Diagram Conversion. Use the Device Equivalents table to complete the PLC programming diagram. All hard-wired NO switches are programmed as NC. All hard-wired NC switches are programmed as NO. 2. Draw a basic PLC programming diagram of the standard line diagram. ON OFF DEVICE EQUIVALENTS SELECTOR SWITCH INPUT 1 LEVEL SWITCH 1 = INPUT 2 LEVEL SWITCH 2 = INPUT 3 PUSHBUTTON 1 = INPUT 4 PUSHBUTTON 2 = INPUT 5 OLS INPUT 6 FILL LS1 OLs M1 PUMP STARTER FILL SOLENOID OUTPUT 1 OPEN SOLENOID OUTPUT 2 PUMP STARTER OUTPUT 3 LS2 PB2 PB1

Explanation / Answer

Answer : A is right

Because

in first line input 1 is output; in the second line input 6 is ols is output; in the third line both are inputs.

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