|
In general, PLC output modules are designed to switch high current loads directly
|
|
1
|
272
|
June 29, 2026
|
|
In classical control terminology, reset rate is typically measured in?
|
|
0
|
164
|
March 2, 2026
|
|
What is meant by a reverse-acting controller?
|
|
0
|
112
|
March 2, 2026
|
|
If error remains small but constant, which term grows over time?
|
|
0
|
147
|
March 2, 2026
|
|
What is the primary function of integral action in PID control?
|
|
0
|
117
|
March 2, 2026
|
|
Why does proportional-only control typically result in offset?
|
|
0
|
72
|
March 2, 2026
|
|
What is a disturbance in process control?
|
|
0
|
48
|
March 2, 2026
|
|
What is meant by PID controller output saturation?
|
|
0
|
95
|
March 2, 2026
|
|
Why is on-off control not suitable for continuous process control?
|
|
0
|
68
|
March 2, 2026
|
|
How does proportional controller generate its output?
|
|
0
|
61
|
March 2, 2026
|
|
Which PID term depends on past accumulated error?
|
|
0
|
61
|
March 2, 2026
|
|
In a PID controller, What happens to derivative output when error is constant?
|
|
0
|
115
|
March 2, 2026
|
|
What is meant by a direct-acting controller?
|
|
0
|
56
|
March 2, 2026
|
|
What occurs when proportional gain is extremely low?
|
|
0
|
79
|
March 2, 2026
|
|
If error is zero, what is proportional output?
|
|
0
|
64
|
March 2, 2026
|
|
In direct-acting control, output increases when?
|
|
0
|
69
|
March 2, 2026
|
|
What is bumpless transfer in PID control?
|
|
0
|
83
|
March 2, 2026
|
|
Which control structure uses two PID controllers in series?
|
|
0
|
111
|
March 2, 2026
|
|
In PID, what does “setpoint tracking” in manual mode mean?
|
|
0
|
56
|
March 2, 2026
|
|
What is the effect of valve stiction on PID performance?
|
|
0
|
75
|
March 2, 2026
|
|
What is the effect of large process dead time on PID stability?
|
|
0
|
73
|
March 2, 2026
|
|
What is the purpose of anti-windup protection in a PID controller?
|
|
0
|
84
|
March 2, 2026
|
|
In cascade control, where is the PID controller typically used?
|
|
0
|
92
|
March 2, 2026
|
|
What happens to offset if only PD control is used?
|
|
0
|
63
|
March 2, 2026
|
|
What does dead time in a process cause in control response?
|
|
0
|
85
|
March 2, 2026
|
|
What is the main disadvantage of excessive proportional gain?
|
|
0
|
59
|
March 2, 2026
|
|
In a PID controller, what happens if derivative time is set to zero?
|
|
0
|
79
|
March 2, 2026
|
|
What is the primary trade-off in PID tuning?
|
|
0
|
45
|
March 2, 2026
|
|
Which PID mode accumulates error over time?
|
|
0
|
44
|
March 2, 2026
|
|
In reverse-acting control, output increases when?
|
|
0
|
54
|
March 2, 2026
|