Industrial Application - Programmable Logic Controller A programmable logic controller (PLC) is an electronic device used in many industries to monitor and control building systems and production processes. It is designed to be enormously robust, so it could withstand harsh industrial environments such as extreme temperatures, vigorous vibrations, humidity and electrical noise. To ensure the use of the right quality and quantities of raw materials, the accuracy of data regarding such process variables is of the essence. It is used in the Power Generation, Transmission, and Distribution System. A simple PLC application: (a) a hydraulic cylinder controlled by a PLC; (b) the 'Ladder Diagram' program used to control the cylinder [12]. In addition to being used as a special-purpose digital computer, the PLC can be used in other control-system areas and industries. Here are few examples of PLC programming applications that have been successfully completed and in use today: • Plastics Industry - Extruder factory, silo feeding control system - Injection molding control system. Conclusions The application of PLC system in oil and gas pipeline, not only can improve the work efficiency and management level, reduce the … PLCs are used in various applications in industries such as the steel industry, automobile industry, chemical industry and the energy sector. With the development of PLC and increasing demand in the real world, the control mode of the programmable … The operation of the PLC system is simple and straightforward. This explains why PLCs are often referred to as industrial PCs. The project covers an area of about 350 m 2. For example, at the Airport. Paper Industries for the production of Pages, Books or Newspapers, etc. Packing and Labeling System in Food & Beverage. In the most basic terms, a programmable logic controller (PLC) is a computer with a microprocessor but has no keyboard, mouse or monitor. Automation System for Well Drainage System. @ 2021 – DipsLab.com. Wind Turbine System for Maximum Efficiency, Recording Data, and Safety Purposes. In Oil, and Gas an Automation Power Plant, PLC needs for Valve Switching for Changeover of Fuels, Pilot Light ON or OFF, Flame Safety Checking, Oil Filtering procedure, and more things. PLC’s computer circuitry runs on a 5V DC output and this is supplied by the power supply module. Packaging and Labelling System in Pharma Industries. The technology has been advancing over the years and this has created an increased demand for the PLC control mode for use in the glass industry. It is used in aerospace for Water tank quenching system. Now, we are going to learn about the applications of PLC. They are used largely to control the material ratio as well as to process flat glasses. What are the Applications of PLC in Daily Life and in Industry? Application of PLC in Glass Industry. The scope of PLCs dramatically increases based on the development of all the various technologies where it is applied. Each PLC system has three modules namely: CPU module, power supply module and one or more input/output (I/O) module. PLC stands for Programmable Logic Controller. PLCs are used in various applications in industries such as the steel industry, automobile industry, chemical industry and the energy sector. Â. Plc ppt Shehda Seifan. It has a robust construction and unique functional features such as sequential control, ease of programming, timers and counters, easy-t… PLC uses for the Smart Grid System to Monitor and Detect fault conditions. This is essentially the module responsible for powering up the system. Programmable Logic Controller (PLC) also known as Industrial Computer is the major component in the industrial automation sector. The PLC has a number of features that you don’t find in normal computers, such as protection from the open area conditions like heat, dust and cold. A programmable logic controller (PLC) or programmable controller is an industrial digital computer which has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, or robotic devices, or any activity that requires high reliability, ease of … List of PLC manufacturers in the global market. The input/output modules are responsible for connecting the sensors and actuators to the PLC system to sense the different parameters such as pressure, temperature, and flow. A PLC program consists of a set of instructions either in textual or graphical form, which represents the logic to be implemented for specific industrial realtime applications. The I/O modules can be digital or analogue. Underground Coal Mine and many more industries. Paper Industry 4. The logic controllers are often tasked to control and monitor a very large number of sensors and actuators. A Single-Phase or Three-Phase Sequence Detect by using the PLC. Remote Monitoring Application like Air compressor (AC), Fan. It has a programmable memory to store control instructions. Application Example 2 ... PLC - Programmable Logic Controller Mahesh Vadhavaniya profmjv. PLC control system monitoring software in oil and gas pipeline workflow is shown in Fig.3. A conveyor motor diagram is shown in Figure illustrating the application of an up-counter. Sharing my knowledge on this blog makes me happy. Oil and Gas Industries for controlling the Purging Procedure. PLC works in an industrial automation environment where PLC replaces the relay system. 8 and LOGO! This processor performs all the needed data computations and processing by receiving inputs and producing corresponding outputs. Basic parts of the PLC are as follows:- (1) Processor (2) Memory (3) Input/output devices For example a car park barrier, this would not use many inputs/ outputs and would only require a simple program. Glass Industry 3. Pressure Controller in Multi-Motor Pump Applications. Time and Count-based Control System for an. Modular PLC’s are a system of modules that can be slotted together to build up a system. PLC acts as the brain of an automation system to performs manufacturing operations and providing highly reliable control of industrial automation processes. Sewage treatment capacity is 950 m 3 /d. Cement Manufacturing 5. Once programmed, the PLC will perform a sequence of events triggered by stimuli referred to as inputs. PLC Program Examples Discuss different PLC program examples for Signal lamp task, Valve operation program and make an output switch off when any of the sensors activated. This simple application is for a conveyor (moving material machine) and how we implement it using ladder diagram and instruction list. They are also used in other industries such as travel, glass industry, oil and gas, paper, cement. In this application pure unmixed solution can be prepared by the operator using switchesS1 and S2. PLC uses for the Smart Grid System to Monitor and Detect fault conditions. The PLC used for this project is GE FANUC with six inputs and four outputs. In industrial automation, PLC performs a wide variety of manufacturing production, monitoring machine tool or equipment, building the system, and process control functions. In the paper industry, PLCs are used in various processes. APPLLICATIONS OF PLC: Proper application of a PLC begins with an economical justification analysis. PLC is also used in the coal-fired boiler fan change-over system in hospitals, corrugation machine control system and silo feeding as well as injection moulding control systems in the plastic industry. “PLC AND ITS APPLICATION” Prepared By : [*] [*] Introduction PLC(Programmable Logic Controller) Advantages of PLC Programming--- Ladder diagram PLC in batch processing & others Current trends in the industry [*] PLC(PROGRAMMABLE LOGIC CONTROLLERS) Replaces relays as logic elements. For the automation process, the different types of PLC brands Software work. Since the year 1968, the programmable logic controller (PLC) system has played a prominent role in automatic manufacturing industrial operations. It is used in the Power Generation, Transmission, and Distribution System. ABB Automation Builder covers the engineering of ABB PLCs, Safety PLCs, control panels, drives and motion. In boilers – Thermal Power Plants PRCs controllers have been in use in the glass industry for decades. Here are some useful domestic applications we can automate with PLC. The programmable logic controller is defined by ‘National Electrical Manufacture Associations [NEMA]’ as, The digital electronic device that uses programmable memory to store instructions and implement specific function such as programming logic, sequence, timing, counting and arithmetic operations to control electronic machines and technical process. Overall, the PLC is applied in both analogue data recording in the glass production, and in digital quality and position control. In the most basic terms, a programmable logic controller (PLC) is a computer with a microprocessor but has no keyboard, mouse or monitor. The programming language used is ladder diagram. Some are made as introduction for new features especially for LOGO! The Process or CPU completes three processes: (1) scans, or reads, from the input devices (2) executes or "solves" the program logic, and (3) updates, or writes, to the output devices. The programmable logic controllers at Mobile Automation includes a huge variety from various top industry manufacturers such as Allen-Bradley and Omron. Application of PLC in a Mixing Process. 1.2 PLC A Programmable Logic Controller, PLC, or Programmable Controller is a dig- ital computer used for automation of industrial processes, such as control of machinery on factory assembly lines. PLC has been used to monitor the safety control system and to operate lifts and escalators. Â. It includes a programmable memory to store instructions and to implement functions such as logic, sequencing, timing, counting and arithmetic as shown in figure1. That’s the way, you can easily understand why do we use PLC in an automation. For the domestic purpose, PLC act as a remote operating device or automatic sensing device. Sequence or Numerical Counting and Packing System. These include controlling the machines that produce paper products at high speeds. PLC Example 1 : A signal lamp is required to be switched on if a pump is running and … In this research paper an attempt has been made to integrate the programmable logic controller (PLC) with elevator for developing its control system. Solution 4. Now, we will see the top automation companies list where PLC is needed. With other microcontroller systems however, you would have to change the hardware components too with different applications. ON/OFF Switching Application like Light, Motor, and More daily life applications of PLC. Due to its robust. Real-time PLC uses in Underground Coal Mine or Water Level Sensing and Data Survey. Automatic Bottle or Liquid Filling System. PLC Basic Sankar Kanagaraj. We can see the growth of PLC in commercial control applications. In the above automation industrial area, PLC helps to monitor input and output and makes the logic-based decision, automatic sequential count, time-based control system for the automated process. Fault Detection and Protection of Industrial Machines like an Induction Motor. PLC Design and Operation Characteristics. What are the major areas of Application of PLC? Unlike PCs and smartphones, which are designed to perform any number of roles, a PLC is designed to perform a single set of tasks, except in the case of limitations in real time and with superior reliability and performance. I work and write technical tutorials on the PLC, MATLAB programming, and Electrical on DipsLab.com portal. The following offers a range of application descriptions with their respective switching programs. It is a big trend. Thus, this paper describes the application of programmable logic controller for elevator control system. In order to control machines and processes, PLC is designed to be There are some applications of programmable logic controller (PLC). Read more about Modular PLC vs Compact PLC. Types of PLC: Transistor Output (Photo from plcs.net) Transistors are semiconductor devices that are used for switching operations and are used inside microprocessors in a micro- or nano- scale. We can automate some day-to-day activities with PLC. Mining Equipment Line Detection and Remote Control System. The PLC is also commonly used in civil applications such as in washing machines and for controlling traffic signals and elevators. Figure 3 PLC system software flow chart. All Rights Reserved. Here are some of the example where PLC has been used. Manufacturing cement involves mixing various raw materials in a kiln. The production of glass is an elaborate and sophisticated process so the companies involved often use PLCs with the bus technology in its control mode. 2. 1. Process Automation Plants (e.g. Download PLC Application Examples for Automation Builder. 2. 1. I have completed master in Electrical Power System. Engineering students mostly prefer the automation system for doing their academic or research projects. • … The application of PLC technology in the automatic control system of ship auxiliary machinery is studied and analyzed to provide more favorable support for stable navigation of ships. Automatic Drainage Water Pump Monitoring and Controlling System. These are daily life applications of the programmable logic controller. Home Latest News PLC: Industrial Applications of Programmable Logic Controller. PLCs are used mainly in every procedure and workshop for controlling the material ratio, processing of flat glasses, etc. In transistors, no mechanical or moving component is involved, so … It has a robust construction and unique functional features such as sequential control, ease of programming, timers and counters, easy-to-use hardware and reliable controlling capabilities. PLCs have a variety of applications and uses, including: 1. PLC Application Exercises NFI – Industrial Automation Training Academy 2. Out of them, Siemens PLC, and Rockwell (AB) PLC brands have topnotch positions all over the world. Glass Industries for glass production and recording data. A programmable logic controller (PLC) is an electronic device used in many industries to monitor and control construction systems and production processes. With the use of PLC, applications can easily operate without or with very minimal manpower or physical hard work. And mixed solution or material can be prepared by the operator using switch S3. Unlike PCs and smartphones, which are designed to perform any number of roles, a PLC is designed to perform a single set of tasks, except under real-time constraints and with superior … It should work under real-time and with superior reliability and best performance. These special computer devices are different from regular computers such as PCs or smartphones in that: This microprocessor- based controller includes a programmable memory that stores instructions and implements functions that include sequencing, timing, logic, arithmetic, and counting. The PLC in particular, controls ball milling, coal kiln and shaft kiln. A distributed control system comprised of PLC in its user mode and a configuration software are used in the industry’s production and management processes. PLC Counter Example The down counter goes from a preset number down to zero where the action occurs. The batch process in chemical, cement, food and paper industries are sequential in nature, requiring time or event based decisions. It is low cost compared with other microcontroller systems. For instance, a PLC controls and monitors the production of book pages or newspapers in offset web printing. There are different types of samples. mining, oil &gas) 2. Figure below illustrates conceptual diagram of PLC application Figure 2.1 PLC conceptual application diagram Basic parts of PLC:- All programmable controllers contain a CPU, memory, power supply, I/O modules, and programmable devices. Some Electrical Equipment (like Circuit Breaker Tripping, Capacitor Switching) can be automatically operated with PLC. The PLC programming is an important task of designing and implementing control application depending on customers need. If you want to mention any point related to applications of PLC, feel free to share by writing in the comment. A PLC is a special form of microprocessor based controller designed to operate in noisy industrial environment. Conveyor Belt System controls the Sequence of Conveyors and Interlocking procedure. Temperature Controller or Humidity by using the Sensors Input to the PLC system. The creative task of a PLC engaged the input signals interconnection along with a specified program and, if "true", to switch the corresponding output. It is essentially built to withstand very harsh industrial environments. It can be easily integrated into the industrial control systems to expand and enhance the performance of … Here are some basic commercial application uses PLC. A plc is used to start and stop the motors of a segmented conveyor belt, this allows only belt sections carrying a copper plate to move. PLCs are being used more and more as total solutions to a batch problem in these industries rather than just a tool. This module is comprised of a central processor and its memory component. They are therefore different from other regular computer systems in their extensive I/O (input/output) arrangements. 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Pages, Books or Newspapers, etc for Operation of Overhead Traveling.! Modules ) use switch S3 any point related to applications of PLC withstand very harsh industrial environments purpose! Or automatic sensing device a Sequence of Conveyors and Interlocking procedure of computer device designed use! My knowledge on this blog makes me happy hard work monitor the Safety control system for doing their or! More and more as total solutions to a batch problem in these industries rather than just a tool automate PLC... Mainly in every procedure and workshop for controlling the machines that produce paper products at high speeds to. ) can be automatically operated with PLC real-time and with superior reliability and best performance and we! Up the system particular, controls ball milling, Coal kiln and shaft kiln control of industrial machines like Induction! The Purging procedure slotted together to build up a system of modules that can be slotted to... 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