Question 3 2 pts (TCO 4) The content of register RO and a ladder logic program a

Question

Question 3 2 pts (TCO 4) The content of register RO and a ladder logic program are given below. Determine which statement is true. RIS R14 R13 R12 R11 RD R9 R R RS RA R3 R2 R1 0000 0 00 0 o 0 01 01 10 01 Toggle Switch RO -Source 1 Constant 21 -Source 2 O The decimal value stored in the 16 bit register RO is 18. If the toggle switch 11 is closed, the red light turns on O If the content of register RO changes to 25 and the toggle switch is closed, the red light will be off. The instruction in the middle is a Math instruction.

Explanation / Answer

The decimal number stored in R0 is 16+4+2=22

Given constant is 21 and the math operation is greater than.

Here R0 is always greater than constant.

So when the toggle switch I1 is closed the Red light turns on

Option B

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