Programmable Logic Controllers, 4th Edition

Answers

Chapter 1

1 D

2 A

3 C

4 A

5 A

6 C

7 See Figure 1.4.

8 See Figure 1.7 and associated text.

9 See Section 1.3.4.

10 2 x 1024

Chapter 2

1 A

2 A

3 B

4 D

5 C

6 A

7 A

8 A

9 B

10 C

11 See (a) Figure 2.5, (b) Section 2.1.4, (c) Section 2.1.3, (d) Section 2.1.8.

12 See Section 2.2.3.

13 See Section 2.2.4.

Chapter 3

1 (a) 3, (b) 63, (c) 13

2 (a)110 0100, (b)1001 0010, (c)1111 1111

3 (a) 159, (b) 3411, (c) 1660

4 (a) E, (b)51, (c) A02

5 (a) 1110, (b) 11101, (c) 1010 0110 0101

6 (a) 250, (b) 12, (c) 1376

7 (a) 24, (b) 411, (c) 620

8 (a) 010 111 000, (b) 001 000 010, (c) 110 111 011

9 (a) 0010 0000, (b) 0011 0101, (c) 1001 0010

10 (a) 1111 1111, (b) 1101 1101, (c) 1000 0011

11 (a) –16, (b) –55, (c) –40

12 (a) 0.110010 × 2^–3, (b) 0.1100 × 2^–4, (c) ...