Multiloop controllers, Programmable Automation Controllers (PACs) and Programmable Logic Controllers (PLCs), once poles apart in functionality, are now converging technology.
Many users have preferred device manufacturers and configuration tools (ladder logic, sequential flow/function charts, state diagrams) and each product has strengths and weaknesses in this regard.
Arun Control Systems have used these in industries as diverse as plastics and rubber, glass, food processing, fermentation, bio-engineering, water treatment and oil and gas.
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