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Lecture Final

The document describes the requirements for a game show buzzer control system. It specifies that players can press their button to answer a question, the buzzer will sound for 10 seconds for the first player to press, and each player's light will indicate when they have pressed. The inputs are the player buttons and a reset, the outputs are the buzzer and individual player lights.

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Tahsin Zaman Talha
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237 views6 pages

Lecture Final

The document describes the requirements for a game show buzzer control system. It specifies that players can press their button to answer a question, the buzzer will sound for 10 seconds for the first player to press, and each player's light will indicate when they have pressed. The inputs are the player buttons and a reset, the outputs are the buzzer and individual player lights.

Uploaded by

Tahsin Zaman Talha
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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The game buzzer control requirement:

1. After the Host has finished with question.


2. The 3 players will press the switch in front of them to fight to be first to answer the question.
3. The buzzer will sound for 10 sec after any one of the players has touched the switch.
4. The light indicator in front of each player will light-up and only reset by the Host switch.

Input Device Output Device


I1 PB1 Q1 Buzzer
I2 PB2 Q2 Player 1 light
I3 PB3 Q3 Player 2 light
I4 RST (reset) Q4 Player 3 light
OPERATION
When PB1 (START Push Button) is pressed, the box conveyor moves. Upon detection of box present.
The box conveyor stops and the Apple conveyor start. Part sensor will count for 10 apples. Apple
conveyor stops and box conveyor starts again. Counter will be reset and operation repeats until PB2
(STOP Push Button) is pressed.

Input Devices Output Devices


I1 START Push Button (PB1) Q1 Apple Conveyor
I2 STOP Push Button (PB2) Q2 Box Conveyor
I3 Part Present (SE1)
I4 Box Present (SE2)
I/O Assignments

Input Devices Output Devices


I1 Start Button (PB1) Q1 Water Supply Valve
(MV1)
I2 Stop Button (PB2) Q2 Drain Valve (MV2)
I3 Reset Button (PB3) Q3 Stirring Motor (M)
I4 Upper Level Switch (TLB1) Q4 End Indicator
I5 Lower Level Switch (TLB2) Q5 Buzzer

Procedure
1. As the PB1 is Pressed, MV1 opens and the water begins to fill the tank. At the same time, the
stirring motor M starts operations.
2. When the water level passes TLB2 and reaches TLB1, the MV1 closes and the stirring motor
stops.
3. Next, MV2 opens and starts draining the water, when the water levels drops below TLB2,
MV2 Closes.
4. When the cycle of operation has repeated four times, the operation END indicator
illuminates, and the filling and draining operation will not restart even if PB1 is pressed.
I/O Assignments

Input Devices Output Devices


I1 Start Button (PB1) Q1 (KM1)Main Magnetic
Contact/FWD
I2 Star-Delta Power CKT Q2 (KMY)Star Magnetic
Contact
I3 FWD-REV Power CKT Q3 (KM)Delta Magnetic
Contact
Q4 (KM2)REV Magnetic
Contact

Operation

First ON the Toggle Switch. Then simulation start first main magnetic & Star Magnetic contact ON.
After 5 Second Star Magnetic contact OFF & Delta Magnetic contact ON
Traffic light control

Street # 2

Always On

Street # 3

Street # 4

Street # 1

When Street # 2 Green


Input Devices Output Devices
I1 Start Button (PB1) Q1 Street # 2 Red Light
Q2 Street # 2 Yellow Light
Q3 Street # 2 Green Light
TRAFFIC LIGHT CONTROL

Street # 2

Street # 3

Street # 4

Always On

Street # 1

When Street # 1 Green

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