1. The ability of a PLC to perform math functions is intended to: 1. a) replace

Question

1. The ability of a PLC to perform math functions is intended to:        1.

a) replace a calculator.

b) multiply the effective number of input and output devices.

c) perform arithmetic functions on values stored in memory words.

d) all of these.

2-1. In the program of Figure 11-1, the value of the number            2-1.

stored in N7:2 is:

a) 172.

b) 601.

c) 325.

d) 348.

2-2. Which of the following numbers stored in N7:3 will                 2-2.

cause output PL1 to be energized?

a) 048

b) 124

c) 172

d) 325

Figure 11-1 Program for question 2.

Explanation / Answer

1) D. All of these.

2) 124+48=172

3) 325

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