Easy to troubleshoot with a standard multimeter. 📊 Conversion Math To calculate the current ( ) for a given percentage of the range (
A device like a PLC or indicator that reads the signal, usually by passing the current through a 250 Ohm resistor to create a 1-5V drop for processing. 📐 Connection Types (Wiring Schemes) 2-Wire Connection (Passive) shema tokovaja petlja 4 20 ma
Two wires for power and two separate wires for the 4-20 mA signal. Easy to troubleshoot with a standard multimeter
Typically 24V DC to drive the current through the loop. shema tokovaja petlja 4 20 ma
The most common setup where the transmitter is powered by the loop itself. Two wires carry both power and the signal. Benefit: Saves cable costs and simplifies installation. 3-Wire Connection (Active)