Feb 10, 2012 · The loop-powered sensor is in a remote location and gets its operating power from the source end over the single pair of wires. The sensor also controls the current in the single …

Dec 17, 2018 · There are 2-wire instruments and 4-wire instruments. 4-wire instruments have two terminals for power only and 2 terminals for the signal outpost. 2-wire instruments are loop …

Feb 10, 2011 · Loop powered would be ok. I want to be able to see the 4mA when the machine is down. I don't want to have to provide any different sources of power. The system is set up to …

Nov 21, 2023 · Thought I'd find an ancient discussion on this one but nothing turned up in a search here. Happened to see a rather impassioned debate break out online re: the definitions …

Apr 6, 2020 · I'm concerned about getting ground loop and interference issues. Will it work or will I have issues, I've never switched or run a 4-20ma signal through relays before. Attached is a …

Jul 13, 2017 · Hey looking for some helpful tips on troubleshooting a ground fault on a Notifier NFS-320c fire alarm panel. We've been called to figure out the cause and have been told it's …

Oct 14, 2012 · I am an inside wireman and I'm wiring a brand new building. I don't have power from the poco yet. I was told that it is going to be a while because its a loop. Don't know what …

Apr 26, 2015 · I installed a 2 channel loop powered analog isolator, and there seems to be a voltage drop across the filter. So the tank level went from 89% (before the filter install) to 60% …

Mar 1, 2015 · Thought I'd find an ancient discussion on this one but nothing turned up in a search here. Happened to see a rather impassioned debate break out online re: the definitions of …

Oct 11, 2023 · 12-510 4) clearly states a service loop is required. I'm not too sure why these people seem to think subrule 4 only applys to RV recepticals. Subrule 4 refers to "integral …