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Computer Engineering
Problems Scenarios: Some real-life scenarios where PLCS are commonlyused is given below. 1. Identify and list the input and output for each of the scenario 2. Draw the ladder logic diagram equivalent to each of the scenarios. (3 x 10 pts 30 Pts) Scenario 1: PB1 PB2 Drilling process that requijres the drill press to turn on only if there is a part present and the operator has one hand on each of the start switches. motor Switches Part sensor Scenario 2: A circuit operates as follows: a. The main switch (MSW) is the emergency stop switch, which is normally closed. b. When the red push button (PBR) is pressed, the red pilot light and motor one (M1) are energized. They will stay on until MSW is opened. c. When the green push button (PBG) is closed, both white and green pilot lights turn on, and motor one (M1) and motor two (M2) will run. They will stay on until MSW is opened. 回v JEZ dy ins f12 prt sc deleto fg & <- backs

Problems Scenarios: Some real-life scenarios where PLCS are commonlyused is given below. 1. Identify and list the input and output for each of the scenario 2. Draw the ladder logic diagram equivalent to each of the scenarios. (3 x 10 pts 30 Pts) Scenario 1: PB1 PB2 Drilling process that requijres the drill press to turn on only if there is a part present and the operator has one hand on each of the start switches. motor Switches Part sensor Scenario 2: A circuit operates as follows: a. The main switch (MSW) is the emergency stop switch, which is normally closed. b. When the red push button (PBR) is pressed, the red pilot light and motor one (M1) are energized. They will stay on until MSW is opened. c. When the green push button (PBG) is closed, both white and green pilot lights turn on, and motor one (M1) and motor two (M2) will run. They will stay on until MSW is opened. 回v JEZ dy ins f12 prt sc deleto fg & <- backs

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Problems Scenarios: Some real-life scenarios where PLCS are commonlyused is given below. 1. Identify and list the input and output for each of the scenario 2. Draw the ladder logic diagram equivalent to each of the scenarios. (3 x 10 pts 30 Pts) Scenario 1: PB1 PB2 Drilling process that requijres the drill press to turn on only if there is a part present and the operator has one hand on each of the start switches. motor Switches Part sensor Scenario 2: A circuit operates as follows: a. The main switch (MSW) is the emergency stop switch, which is normally closed. b. When the red push button (PBR) is pressed, the red pilot light and motor one (M1) are energized. They will stay on until MSW is opened. c. When the green push button (PBG) is closed, both white and green pilot lights turn on, and motor one (M1) and motor two (M2) will run. They will stay on until MSW is opened. 回v JEZ dy ins f12 prt sc deleto fg & <- backs
Transcribed Image Text:Problems Scenarios: Some real-life scenarios where PLCS are commonlyused is given below. 1. Identify and list the input and output for each of the scenario 2. Draw the ladder logic diagram equivalent to each of the scenarios. (3 x 10 pts 30 Pts) Scenario 1: PB1 PB2 Drilling process that requijres the drill press to turn on only if there is a part present and the operator has one hand on each of the start switches. motor Switches Part sensor Scenario 2: A circuit operates as follows: a. The main switch (MSW) is the emergency stop switch, which is normally closed. b. When the red push button (PBR) is pressed, the red pilot light and motor one (M1) are energized. They will stay on until MSW is opened. c. When the green push button (PBG) is closed, both white and green pilot lights turn on, and motor one (M1) and motor two (M2) will run. They will stay on until MSW is opened. 回v JEZ dy ins f12 prt sc deleto fg & <- backs
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Solution:

 

In this flow chart, it will first check for the presence of part with the part sensor and if part is present thenit will check whether start button is pressed or not. If the part is not present then it will wait for part to come and if start button is not pressed then it will wait for start button to be pressed.

If the start button is pressed and the stop button is not pressed then the drill motor will run and otherwise it won't run.

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