Ladder diagram for 4 floor elevator,coffee venting machine and a simple four lane traffic system. ....etc

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In Ladder Logic a program is represented by a graphical diagram based on circuit diagrams of relay-based logic hardware. It is mostly used in the development of software for PLCs. The most important advantage of this programming language is that engineers and technicians would be able to grasp it easily because of its resemblance to hardware systems. I am an engineer and I personally have found it very easy to understand. I am sure that Ladder Logic is going to be immensely popular among the engineering community in the years to come. ....etc

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plc elevator ladder logic example pdf

On modern elevators the control logic is PLC based, probably because relays are more expensive than electronic components. Besides a PLC makes simple the electrical connections and reduces the chance of failure. On old elevators the direction of the car is controlled by selectors mounted in the shaft, one at each floor. On modern elevators there may be one impulse switch only, mounted on the top of the car. When the elevator moves the impulse switch detects a sequence of magnets placed in the shaft, then s ....etc

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For some time I actually have been wanting into totally different business opportunities that I may get into that might embody my entire family. Nothing gave the impression to be right till I looked into the hawking business.We are also offering best quality vending chocolate machine. ....etc

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plc based automatic coffee vending machine

This project is a great application of the PLC in daily life. It can be used at coffee machines at offices or at self service restaurants our daily life. So we used automation to make coffee vending machine which will give same taste of tea or coffee every time. This type of machine can save our time, decrease wastage etc. In this project of coffee vending machine we use a color sensor to detect the color of glass according to which plc get the input open specified valve of half or full cup of tea or ....etc

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I need a ladder diagram of an intelligent traffic control at a 4 way junction.I am pasting the code.here using potentiometer instead of sensors and when the output is high or density is high that lane gets servicing.else when values are low then sequential operation occurs. a manual switch or emergency switch to let a lane in emergency and after every 2 min all lanes are closed for 30 sec to alloow pedestrians. ....etc

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Fresh Coffee Milk Vending Machines

Abiding by the ethical norms & standards laid down by the industry, we have been able to provide the customers with a commendable assortment of Fresh Coffee Milk Vending Machines. The offered range is fabricated in strict conformation with the universally accepted norms & standards of quality and accuracy. Also, the range is thoroughly tested on varied parameters to ensure flawlessness and zero-defect.

Features:
Dimensional accuracy
Reliability
Simple operation
Low maintenance
Excellent performance ....etc

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Treat your customers, guests, employees and yourself to coffee at its very best. Coffee Day Beverages brings to you the sleek and stylish fresh milk and roasted coffee beans automatic vending machine, Celesta.

The simple and user-friendly controls allow you to enjoy gourmet coffee drinks like cappuccino, latte and espresso! Each steaming cup of coffee is made from the best hand-picked and specially roasted beans from Coffee Day's very own exquisite plantations.

Coffee Day also offers a variety of other tasty beverages like Teas, Soups, H ....etc

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SnackTime plc is the UK s third largest vending operator and the largest snack vending machine company in the UK and Ireland. The group specialises in offering customers a complete vending solution for hot drinks and coffee machines, water coolers, chilled drink vending machines and snack machines. SnackTime's key expertise is having a wide range of vending machines and ensuring that every customer has the most suitable vending machine for their individual requirements -whether this is drinks, snacks, coffee, chilled cans and bottles, or water ....etc

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can anybody help me how to make coffee vending machine..want to make my project on that topic as i'm in final year of instrumentation engineering ....etc

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