Worksheets8 Connecting a PLC to hardware Quiz
Total questions: 4
Worksheet time: 80secs
Name
Class
Date
1.
Notice that the sub-divisions are each 0.0195 volts. Can you say why?
a)
Because it is a standard measurement unit.
b)
Due to the calibration of the device.
c)
It is a random value.
d)
It is based on the scale used.
2.
An actuator for a motorised valve must be sent a signal that can represent any value in a range. Which type of signal should be sent?
a)
Analogue
b)
Digital
c)
Binary
d)
Stepped
3.
A binary signal is received by a PLC at its input interface. Which of the following types of sensor is likely to have generated the signal?
a)
Temperature sensor
b)
Bimetallic switch
c)
Pressure sensor
d)
Number input
4.
"PLCs mostly work with signals like the one shown here." Is this statement true or false?
a)
True
b)
False
100 %
