The 4-20mA current loop offers a common technique for transmitting sensor information in industrial process-monitoring applications. (Sensors measure physical parameters such as temperature, pressure, ...
Voltage-to-current converters that feed grounded loads are common in industrial measurement and control applications. The conventional "textbook" circuit uses both positive and negative supply rails.
Industrial temperature sensors are widely used with 4–20mA current-loop transmitters in industrial control and automation. In the current loop the temperature sensor converts a temperature into a ...
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