Troubleshooting a 4-20mA Current loop
The basic layout of every 4-20mA loop consists of a power supply, a transmitter, and passive loop devices. The supply produces the energy to run the loop. The transmitter controls...
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Basics of 4 to 20 mA analog Signals
The most popular form of signal transmission used in modern industrial instrumentation systems is the 4 to 20 milliamp DC standard. This is an analog signal standard, meaning that the...