Safety barrier wiring
Thread Content
I would like to ask how to wire the input and output terminals of the safety barrier in the HD5543 controller. For example, to which two terminals should the 4-20mA input terminal of a two-wire instrument be connected? Thank you
This post was last edited by dhwfz on 2021-6-17 22:21. Two-wire transmitters that require internal power supply should be connected to 3+ and 4—； Two-wire transmitters that do not require internal power supply should be connected to 1+ and 2 — ； I’m sorry, the previous answer was incomplete.