Application of new technology is a stimulus for the development of new industrial automation system solutions and architectures. These new technologies include; Internet of Things (IoT), big data and cloud computing. The industrial automation system segment has been under few changes over the years. But following developments are the major milestones in the evolution of industrial automation:
Programmable Logic Controller (PLC) –PLC was developed in 60s as a programmable device to replace relay control logic in machines and assembly processes, where large cabinets of relays, timers and sequencers were configured to control production devices such as motors, solenoids, and valves. These devices consumed a lot of power and physical space. Logic changes required huge planning, engineering, and wiring changes, all of which were expensive and potential to errors. Coil failures and contact wear and tear were difficult to diagnose and replace., PLCs were programmed to control the system and logic changes were dramatically simplified than hard wiring of these devices. The PLCs were programmed using Ladder Logic, used symbols similar to relay contacts, coils, and timers. By organizing these symbols in ladder rungs, the engineer created a control logic sequence. This method of programming greatly simplified the process for engineers and technicians.
Distributed Control System (DCS) – DCSs were developed for process control applications in 70s. Control elements used for process loop control using computers or microprocessors rather than pneumatic or electronic analog controllers.
Open Networks – Late 70s, standard open network communication protocols were established for industrial automation communications. Control systems provided coordinated control which required networking of control processors. Initially vendors developed and supplied their own proprietary, closed protocols. Today, Ethernet has become most accepted industrial network, DCSs use Ethernet hardware and transport mechanisms, but they still have proprietary control network protocols.
IoT The scope of the Internet of Things (IoT) is very broad and varied applications; healthcare, energy metering, safety and security, transportation, entertainment etc. The concept of IoT is the networking of all physical objects. The development of technology for high volume IoT applications is already available for low cost industrial automation solutions. Today this technology can be leveraged to develop programmable industrial automation edge devices.
Some experienced industrial automation people use Raspberry PI. These are like wired / wireless computers used for historical information from field sensors, and also communicating with industrial automation systems, historians, and enterprise business systems.
Cloud Analytics Cloud services are rapidly being developed for IoT applications that can be directly applied to industrial automation applications. Early Adopters & Laggards Industrial Automation analysts and vendors frequently talk about users that are innovators, early adopters, late majority and laggards for adopting industrial automation system.
Programmable Logic Controller (PLC) –PLC was developed in 60s as a programmable device to replace relay control logic in machines and assembly processes, where large cabinets of relays, timers and sequencers were configured to control production devices such as motors, solenoids, and valves. These devices consumed a lot of power and physical space. Logic changes required huge planning, engineering, and wiring changes, all of which were expensive and potential to errors. Coil failures and contact wear and tear were difficult to diagnose and replace., PLCs were programmed to control the system and logic changes were dramatically simplified than hard wiring of these devices. The PLCs were programmed using Ladder Logic, used symbols similar to relay contacts, coils, and timers. By organizing these symbols in ladder rungs, the engineer created a control logic sequence. This method of programming greatly simplified the process for engineers and technicians.
Distributed Control System (DCS) – DCSs were developed for process control applications in 70s. Control elements used for process loop control using computers or microprocessors rather than pneumatic or electronic analog controllers.
Open Networks – Late 70s, standard open network communication protocols were established for industrial automation communications. Control systems provided coordinated control which required networking of control processors. Initially vendors developed and supplied their own proprietary, closed protocols. Today, Ethernet has become most accepted industrial network, DCSs use Ethernet hardware and transport mechanisms, but they still have proprietary control network protocols.
IoT The scope of the Internet of Things (IoT) is very broad and varied applications; healthcare, energy metering, safety and security, transportation, entertainment etc. The concept of IoT is the networking of all physical objects. The development of technology for high volume IoT applications is already available for low cost industrial automation solutions. Today this technology can be leveraged to develop programmable industrial automation edge devices.
Some experienced industrial automation people use Raspberry PI. These are like wired / wireless computers used for historical information from field sensors, and also communicating with industrial automation systems, historians, and enterprise business systems.
Cloud Analytics Cloud services are rapidly being developed for IoT applications that can be directly applied to industrial automation applications. Early Adopters & Laggards Industrial Automation analysts and vendors frequently talk about users that are innovators, early adopters, late majority and laggards for adopting industrial automation system.
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Jaipur +91-8058033551
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