Introduction to Industrial Automation
Expert-defined terms from the Global Certificate Course in Industrial Automation Engineering course at London School of Planning and Management. Free to read, free to share, paired with a globally recognised certification pathway.
Actuator #
An actuator is a device that converts energy into mechanical motion #
In the context of industrial automation, actuators are used to control mechanisms or systems. They play a crucial role in moving, controlling, or positioning a component within a machine. Actuators can be hydraulic, pneumatic, or electric, depending on the application requirements.
Automation #
Automation refers to the use of technology to control and monitor industrial pro… #
It involves the use of control systems such as computers or robots to handle different tasks. Automation aims to improve efficiency, productivity, and safety in industrial settings by reducing manual labor and human error.
Control System #
A control system is a set of devices that manage, command, direct, or regulate t… #
In industrial automation, control systems are used to monitor and control the operation of machines and processes. They ensure that the desired output is achieved by adjusting inputs based on feedback.
DCS (Distributed Control System) #
A DCS is a control system used to manage complex industrial processes #
It consists of multiple controllers distributed throughout a plant or facility, each controlling a different part of the process. DCSs are designed to handle large-scale operations and provide real-time monitoring and control capabilities.
Feedback #
Feedback is information about the output of a system that is used to adjust the… #
In industrial automation, feedback is essential for ensuring that a process or machine operates correctly. It helps control systems make real-time decisions based on the actual performance of the system.
Factory Automation #
Factory automation refers to the use of control systems to streamline and optimi… #
It involves the integration of machinery, robots, and computer systems to automate tasks traditionally performed by humans. Factory automation aims to increase productivity, reduce costs, and improve quality.
HMI (Human #
Machine Interface):
An HMI is a user interface that allows humans to interact with machines or syste… #
In industrial automation, HMIs are used to monitor and control processes through visual representations such as screens or touch panels. They provide operators with real-time data and allow them to make adjustments as needed.
Industrial Automation #
Industrial automation involves the use of control systems to operate machinery a… #
It encompasses a wide range of technologies, including robotics, sensors, and control devices. Industrial automation aims to increase efficiency, productivity, and safety.
IO (Input/Output) #
IO refers to the communication between a control system and external devices #
Inputs are signals or data received by the control system, while outputs are signals or commands sent from the control system to devices. IO is essential for monitoring and controlling industrial processes.
PLC (Programmable Logic Controller) #
A PLC is a specialized computer used to control industrial processes and machine… #
It is programmed to perform specific tasks such as monitoring inputs, making decisions, and controlling outputs. PLCs are widely used in manufacturing and automation due to their reliability and flexibility.
Process Automation #
Process automation involves the use of technology to automate repetitive tasks i… #
It aims to improve efficiency, reduce errors, and increase productivity. Process automation can be implemented using control systems, robots, sensors, and other technologies.
Robotics #
Robotics is a branch of engineering that deals with the design, construction, op… #
Robots are programmable machines that can perform tasks autonomously or semi-autonomously. In industrial automation, robots are used to automate manufacturing processes and perform repetitive tasks.
SCADA (Supervisory Control and Data Acquisition) #
SCADA is a system used to monitor and control industrial processes #
It consists of software and hardware components that collect and analyze data from sensors and other devices. SCADA systems provide operators with real-time information and allow them to make decisions to optimize performance.
Sensor #
A sensor is a device that detects or measures physical properties such as temper… #
Sensors are used in industrial automation to provide feedback to control systems. They help monitor the state of machines or processes and ensure that they operate within predefined parameters.
Variable Frequency Drive (VFD) #
A VFD is a type of motor controller used to adjust the speed and torque of an el… #
It allows for precise control of motor speed by varying the frequency and voltage of the power supplied to the motor. VFDs are commonly used in industrial automation to optimize energy consumption and improve process efficiency.
Programmable Automation Controller (PAC) #
A PAC is a type of industrial controller that combines the functionality of a PL… #
PACs are designed to provide greater flexibility and processing power than traditional PLCs. They are used in complex automation applications that require advanced control and data processing capabilities.
Communication Protocols #
Communication protocols are sets of rules that govern the exchange of data betwe… #
In industrial automation, various protocols are used to enable communication between controllers, sensors, actuators, and other devices. Common protocols include Modbus, Profibus, and Ethernet/IP.
Modbus #
Modbus is a communication protocol commonly used in industrial automation #
It allows for the transfer of data between devices over serial connections such as RS-485. Modbus is widely supported by PLCs, HMIs, and other industrial devices, making it a popular choice for communication in industrial settings.
Profibus #
Profibus is a communication protocol used in industrial automation to connect de… #
It supports data exchange between controllers, sensors, and actuators over both serial and Ethernet connections. Profibus is known for its high speed and reliability, making it suitable for complex automation systems.
Ethernet/IP #
Ethernet/IP is an industrial communication protocol based on standard Ethernet t… #
It allows devices to communicate over Ethernet networks using the Internet Protocol (IP). Ethernet/IP is widely used in industrial automation due to its high speed, flexibility, and compatibility with existing Ethernet infrastructure.
Industrial Robot #
An industrial robot is a programmable machine used to automate manufacturing tas… #
Robots can perform a wide range of operations, such as welding, painting, and assembly. Industrial robots are designed to work in industrial environments alongside human operators, enhancing productivity and efficiency.
Collaborative Robot #
A collaborative robot, or cobot, is a type of robot designed to work alongside h… #
Unlike traditional industrial robots, cobots are equipped with sensors and safety features that allow them to interact safely with humans. Collaborative robots are used in applications where close human-robot collaboration is required.
Open #
Loop Control:
Open #
loop control is a control system in which the output is not directly monitored or compared to the input. Instead, the control system operates based on predetermined setpoints without feedback. Open-loop control is simple and cost-effective but may not be suitable for processes that require precise regulation.
Closed #
Loop Control:
Closed #
loop control is a control system that uses feedback to regulate the output based on the desired setpoint. The control system continuously monitors the output and adjusts the input to maintain the desired conditions. Closed-loop control is more accurate and responsive than open-loop control and is commonly used in industrial automation.
Control Panel #
A control panel is a device used to monitor and control industrial equipment and… #
It typically consists of switches, buttons, indicators, and displays that allow operators to interact with the system. Control panels are often integrated with HMIs or SCADA systems to provide real-time data and control capabilities.
Electric Motor #
An electric motor is a device that converts electrical energy into mechanical mo… #
Electric motors are used in a wide range of industrial applications to drive machinery, pumps, and other equipment. In industrial automation, electric motors are often controlled using VFDs to adjust speed and torque.
Motor Control #
Motor control refers to the regulation of electric motors to achieve desired spe… #
In industrial automation, motor control is critical for operating machinery and equipment efficiently. It involves the use of devices such as VFDs, PLCs, and sensors to monitor and adjust motor performance.
RS #
485:
RS #
485 is a standard for serial communication widely used in industrial automation. It allows multiple devices to communicate over long distances using differential signaling. RS-485 is known for its robustness, high noise immunity, and multi-point capabilities, making it suitable for industrial applications.
Serial Communication #
Serial communication is a method of transmitting data one bit at a time over a s… #
In industrial automation, serial communication is commonly used to connect devices such as PLCs, sensors, and HMIs. It enables data exchange over long distances and provides a reliable means of communication.
IP (Internet Protocol) #
Internet Protocol is a set of rules governing the format of data packets and the… #
In industrial automation, devices communicate using IP to exchange data over Ethernet networks. IP enables devices to connect to the internet and interact with other devices on the network.
Ethernet #
Ethernet is a standard for wired networking commonly used in industrial automati… #
It allows devices to communicate over local area networks (LANs) using twisted-pair or fiber-optic cables. Ethernet provides high-speed, reliable data transmission, making it ideal for connecting industrial devices and systems.
Ladder Logic #
Ladder logic is a programming language used to program PLCs in industrial automa… #
It is based on relay logic diagrams and uses symbols to represent electrical circuits and control logic. Ladder logic is easy to understand and widely used in manufacturing and process control applications.
Programming #
Programming in industrial automation involves writing instructions for control s… #
It includes defining logic, configuring inputs and outputs, and implementing control algorithms. Programming languages such as ladder logic, structured text, and function block diagrams are commonly used in industrial automation.
Structured Text #
Structured text is a high #
level programming language used in industrial automation to write control algorithms. It is based on structured programming concepts and resembles traditional programming languages like Pascal or C. Structured text is used for complex control tasks that cannot be easily implemented in ladder logic.
Function Block Diagram #
A function block diagram is a graphical programming language used in industrial… #
It consists of interconnected blocks that perform specific functions, such as mathematical calculations or data processing. Function block diagrams are used to design complex control systems in a visual and intuitive manner.
Supervisory Control #
Supervisory control is a level of control in industrial automation that oversees… #
It involves monitoring performance, making decisions, and optimizing processes based on real-time data. Supervisory control systems are often implemented using SCADA or DCS platforms.
Data Acquisition #
Data acquisition is the process of collecting, measuring, and recording data fro… #
It involves capturing real-time information about the state of machines, processes, or environments. Data acquisition systems are used to monitor performance, identify issues, and optimize operations.
Data Logging #
Data logging is the practice of recording and storing data over time for analysi… #
In industrial automation, data logging is used to track process variables, equipment performance, and system events. Data logging systems capture data from sensors, controllers, and other devices to provide insights into operations.
Alarm Management #
Alarm management is the process of monitoring and responding to alarms generated… #
It involves setting thresholds, prioritizing alarms, and taking corrective actions to prevent or address issues. Alarm management systems help operators identify problems, improve safety, and maintain efficiency.
Remote Monitoring #
Remote monitoring is the practice of observing and controlling industrial proces… #
It involves using networked devices to access real-time data, monitor performance, and make adjustments as needed. Remote monitoring enables operators to oversee operations from anywhere, improving efficiency and responsiveness.
Condition Monitoring #
Condition monitoring is the practice of monitoring the health and performance of… #
It involves collecting and analyzing data from sensors to detect abnormalities, predict failures, and schedule maintenance. Condition monitoring helps prevent unplanned downtime and optimize equipment reliability.
Predictive Maintenance #
Predictive maintenance is a maintenance strategy that uses data and analytics to… #
By monitoring machine condition, performance, and usage, predictive maintenance aims to schedule maintenance tasks before failures occur. This approach helps reduce downtime, extend equipment life, and lower maintenance costs.
Asset Management #
Asset management is the practice of maximizing the value of assets throughout th… #
In industrial automation, asset management involves monitoring, maintaining, and optimizing equipment to ensure reliability and performance. Asset management systems help organizations track assets, plan maintenance, and make informed decisions.
Energy Management #
Energy management is the process of monitoring, controlling, and optimizing ener… #
It involves implementing energy-efficient practices, reducing waste, and improving energy performance. Energy management systems help organizations lower costs, minimize environmental impact, and comply with regulations.
Sustainability #
Sustainability refers to the practice of meeting present needs without compromis… #
In industrial automation, sustainability involves reducing resource consumption, minimizing waste, and promoting environmental stewardship. Sustainable practices help organizations operate responsibly and contribute to a healthier planet.
Efficiency #
Efficiency is the ability to achieve maximum output with minimum input #
In industrial automation, efficiency is a key performance indicator that reflects how well resources are utilized to produce goods or services. Improving efficiency can lead to cost savings, increased productivity, and competitive advantages in the market.
Productivity #
Productivity is the measure of output produced per unit of input over a specific… #
In industrial automation, productivity is a critical indicator of operational performance and efficiency. Increasing productivity through automation, process optimization, and resource management can lead to higher profits and business growth.
Optimization #
Optimization is the process of improving efficiency, performance, or quality by… #
In industrial automation, optimization involves fine-tuning processes, eliminating bottlenecks, and maximizing output. Optimization efforts aim to enhance productivity, reduce costs, and deliver superior results.
Lean Manufacturing #
Lean manufacturing is a production philosophy focused on eliminating waste and m… #
It emphasizes continuous improvement, respect for people, and efficient processes. Lean principles such as just-in-time production, kaizen, and value stream mapping are commonly applied in industrial automation to enhance efficiency and quality.
Continuous Improvement #
Continuous improvement is the ongoing effort to enhance processes, products, or… #
In industrial automation, continuous improvement involves identifying opportunities for optimization, implementing changes, and evaluating results. By fostering a culture of continuous improvement, organizations can drive innovation, increase competitiveness, and achieve excellence.
Quality Control #
Quality control is the process of ensuring that products or services meet specif… #
In industrial automation, quality control involves monitoring, inspecting, and testing products throughout the manufacturing process. By maintaining high quality standards, organizations can deliver reliable, safe, and consistent products to customers.
Quality Assurance #
Quality assurance is the systematic process of ensuring that products or service… #
In industrial automation, quality assurance involves establishing processes, procedures, and controls to deliver high-quality products consistently. Quality assurance efforts aim to prevent defects, improve customer satisfaction, and build trust in the brand.
Inspection #
Inspection is the process of examining products, materials, or components to ver… #
In industrial automation, inspection is performed using sensors, cameras, and other devices to detect defects, measure dimensions, or assess quality. Inspections are critical for maintaining product integrity and meeting quality standards.
Testing #
Testing is the process of evaluating the performance, reliability, or functional… #
Testing is the process of evaluating the performance, reliability, or functionality