4-20mA Pressure Transducer Wiring Diagram: Installation Setup 2026
A typical 4-20mA pressure transducer uses a 2-wire current loop. Connect the transducer’s positive (+) terminal to the power supply’s positive output and to the PLC/controller’s input. Connect the transducer’s negative (-) terminal to the PLC/controller’s common/return, which then connects to the power supply’s negative. Ensure a 24VDC supply and proper grounding for the loop….
