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You don’t need one way. At the NMMRC we have 3 ways to control a turnout and they all report in JMRI. We use a panel, a throttle (including phone) or a JMRI panel. As others have stated you need a

A throat controlled relay is a DPDT relay used to set the polarity of the reversing loop based on the position of a turnout or “throat “ to following tracks. The fast acting relay takes the place

Ryan, It is not your switch (brand) nor your system (NCE) - all DCC layouts (pretty much) operate the same basic way.? The part you are missing is the "turnout status feedback" to JMRI/whoever cares.

Greg/Blair, If you look at Allan's page, the basic "throat controlled relay" is inside the Tortoise when you are using 2-7 contacts. ?As you set the route through the throat (using contacts 1 and 8),

Ryan, I am not sure that this thread is a proper topic for this forum but your problem is not unique. By NMRA Standards all decoders must be able to receive their commands from the rails. The

Greg As I see it, that's a DPDT toggle switch, or a slider, the output from it is used to both control the Tortoise and the track polarity.? "SV #1" is probably "SW #1", i.e. switch number 1.

John thank you for the input.? I have been using JMRI also and that has been an issue for me too. If a switch has been thrown from fascia since the last JMRI switch command I don't have an accurate

Hi Tim, A throat controlled relay is one that is activated by a turnout that is at the throat of a balloon track.? I used them to reverse the polarity of the balloon track depending on which way the

Tim, can you supply a little more context as to where this phrase was used? Paul O

What is a "throat controlled relay"? Who makes them? Thanks, Tim

Thanks for the quick response Don!? I moved the gaps closer to the turnouts without any problems and everything seems to be working great.? I also tried moving one set outside the turnout, but

Aaron, one other thought. You might be able to gain some improvement by making sure your isolating gaps are filled so that steel wheels do not fall into the gap and touch both sides of the gaps at

Aaron, you have bumped into the problem of the AR section shorter than the train, and next...the issue of two AR controllers adjacent at the same isolation gap. (Yes a frog juicer is essentially an AR

William, I just dealt with something similar installing an AR on my Sn3 layout.? First I tried a Tam Valley Dual Frog Juicer, and then I bought the PSX-AR.? Both of them malfunctioned by causing a

Didn't think about including this. The trucks are like the Athearn Blue Box trucks that has the frame pin and the tab that sticks up by the drive shaft. So it don't have the wheel wipers. That's the

Greetings all! How close can reversing gaps be to the turnout frogs without causing a malfunction?? I'm?building a small Sn3 layout and just added a wye.? I used a Tam Valley Dual Frog Juicer as an

John, to diagnose wheel pick up problems, take a piece of tissue paper, make it wide enough to isolate one whole truck, place it across the tracks and run your local over it. See if you can determine

I had identical symptoms.? Turned out to be the decoder plug was not seated in the decoder.? Digitrax in particular shrink-wrap the decoder.? The blue wrap can sometimes block the proper function

Tricky! I think I'd just replace all the axle gears to be sure they're OK. I've seen them slide sideways after the gear cracked. You may be able to confirm this with the NMRA gauge, gauge too narrow

A couple of things our club has found over the years, now standard practice for all club members to do to their Loks. 1. set CV11 = 0. This is the timeout timer, depending on your system, how many