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 × 1024.
11 See Section 1.3.5 for an explanation of sourcing and sinking and 1.3.4 for relay and transistor outputs.
Chapter 2
1 A.
2 A.
3 B.
4 D.
5 C.
6 A.
7 A.
8 A.
9 B.
10 B.
11 C.
12 B.
13 C.
14 C.
16 See Section 2.2.3.
17 See Section 2.2.4.
18 For example, (a) photoelectric transmissive system, (b) capacitive proximitry sensor, (c) mechanical limit switch, (d) inductive proximitry sensor.
19 See Section 2.2.4. Consider the behavior of RL circuits.
20 Stepper motor with 5° step.
21 (a) Photoelectric transmissive system, (b) direction control valve operated cylinder. ...
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