Shema Tokovaja Petlja 4 20 Ma 〈EXCLUSIVE · MANUAL〉

Two wires for power (+ and -) and one shared wire for the signal.

The sensor has its own dedicated power source (often AC or high-voltage DC). shema tokovaja petlja 4 20 ma

Complete electrical isolation between power and signal. ✅ Why Use 4-20 mA? Two wires for power (+ and -) and

Used when the sensor requires more power than the 4 mA baseline can provide. ✅ Why Use 4-20 mA

Can run hundreds of meters without signal loss (unlike voltage, which drops over distance).

Converts the sensor signal into the 4-20 mA current.

I=4mA+(16mA×P)cap I equals 4 m cap A plus open paren 16 m cap A cross cap P close paren Example: At 50% capacity, the loop should read . If you are designing a specific circuit, let me know: The sensor type you are using. The distance between the sensor and the controller.