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Loop Control Resource Center


White Papers: In Depth Research

  • Safety Instrumented Systems: The "Logic" of Single Loop Logic Solvers

    Author: Moore Industries

    What can the "new generation" of safety-certified Single Loop Logic Solvers do for you? Find out by reading this informative white paper.

  • ExperTune's Best Practices for Controller Tuning

    Author: ExperTune

    Controller tuning can be accomplished quickly and accurately using proven techniques. While many engineers and technicians resort to "tune by feel," most will admit that this approach yields inconsistent results. These best practices help to ensure that co

  • Back to Basics: The Power of the Loop

    Author: Otek

    The current loop is probably one of the most underestimated data transmission and control method. It's so simple that we tend to ignore it in favor of more complex and sophisticated methods.

  • Introduction to the 2-Wire Transmitter and 4-20mA Control Loop

    Author: Acromag

    In this paper, we review the operation and advantages of the 4-20mA transmission standard and loop-powered transmitters. The discussion explains sink vs. source wiring, power requirements, voltage drops, proper grounding, transmission distance, signal nois