Below are the scenarios that needs to be designed: • If the temperature sensor X > threshold : then rotate the motor in anti-clockwise direction. • If temperature sensor Y > threshold, and temperature sensor X < threshold : then do not rotate the motor. • If the temperature sensor Y < threshold and temperature sensor X < threshold : then rotate the motor in clockwise direction. Choose the logic implementation for a combinational logic circuit connected to S1, S2, S3, S4 to turn them ON or OFF A. S1 = (X +Y), S2 = X, S3 = X, S4 = (X+ Y) B. S1 = X, S2 = (X + Y), S3 = (X +Y), S4 = X C. S1 = X+Y, S2 = X, S3 = X, S4 = X+Y D. S1 = X, S2 = (X.Y), S3 = (X.Y), S4 = X Note: This question requires you to use your knowledge of combinational logic circuit design and motors. This is an example of a "SMART" technology.
Below are the scenarios that needs to be designed: • If the temperature sensor X > threshold : then rotate the motor in anti-clockwise direction. • If temperature sensor Y > threshold, and temperature sensor X < threshold : then do not rotate the motor. • If the temperature sensor Y < threshold and temperature sensor X < threshold : then rotate the motor in clockwise direction. Choose the logic implementation for a combinational logic circuit connected to S1, S2, S3, S4 to turn them ON or OFF A. S1 = (X +Y), S2 = X, S3 = X, S4 = (X+ Y) B. S1 = X, S2 = (X + Y), S3 = (X +Y), S4 = X C. S1 = X+Y, S2 = X, S3 = X, S4 = X+Y D. S1 = X, S2 = (X.Y), S3 = (X.Y), S4 = X Note: This question requires you to use your knowledge of combinational logic circuit design and motors. This is an example of a "SMART" technology.
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 18SQ
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Question
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this is a multi choice question, is the answer A B C or D? Thanks
Transcribed Image Text:The circuit given below (left) is used to control the direction of rotation of a PMDC Motor (shown below - right) connected to a door that opens and closes a steam room.
The opening and closing of the room helps to adjust the temperature in the room.
Armature coil
S1
S2
Vdc
A
M
S
S3
S4
Permanent magent
B
Permanent magnet
A
The switches in the circuit have to be set HIGH to turn them ON (close the switch).
The details of the PMDC Motor (M) connections are given in the figure above (right).
The switches S1, S2, S3, S4 are controlled by a digital circuit consisting of logic gates depending on the input of two temperature sensors X and Y.
If the temperature recorded by temperature sensors are greater than a threshold (same threshold used for both sensors X and Y), then the output of the sensors (which controls the switches) will be HIGH.
Below are the scenarios that needs to be designed:
• If the temperature sensor X > threshold : then rotate the motor in anti-clockwise direction.
If temperature sensor Y > threshold, and temperature sensor X < threshold : then do not rotate the motor.
• If the temperature sensor Y < threshold and temperature sensor X < threshold : then rotate the motor in clockwise direction.
Choose the logic implementation for a combinational logic circuit connected to S1, S2, S3, S4 to turn them ON or OFF.
A. S1 = (X + Y), S2 = X, S3 = X, S4 = (X +Y)
B. S1 = X, S2 = (X +Y), S3 = (X +Y), S4 = X
C. S1 = X +Y, S2 = X, S3 = X, S4 = X +Y
D. S1 = X, S2 = (X.Y), S3 = (X.Y), S4 = X
%3D
Note: This question requires you to use your knowledge of combinational logic circuit design and motors. This is an example of a "SMART" technology.
OD OB OC OA
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