Troubleshooting Current Loops with Voltage Measurement
Sometimes ammeter or current measurement with multimeter is unavailable at work locations , we can still perform useful troubleshooting measurements
Sometimes ammeter or current measurement with multimeter is unavailable at work locations , we can still perform useful troubleshooting measurements
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 loop.
The most popular form of signal transmission used in modern industrial instrumentation systems is the 4 to 20 mA current signal standard.