Transmitter accurately transfers voltage input


Posted on Jun 22, 2012

When you connect remote sensors to a central process controller, a simple, robust, and commonly used interface is the 4- to 20-mA loop. The advantages of this current loop include the simplicity of just two twisted wires that share both power and signal, the loop`s high noise immunity in harsh environments, and the de facto loop standard within the process-control industry.






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