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MRC computer interface???

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  • Member since
    February 2002
  • From: Reading, PA
  • 30,002 posts
Posted by rrinker on Wednesday, August 12, 2009 4:40 PM

 Third party Digitrax throttles DO exist - check out MERG's FRED throttle, among others they've designed.

 Mostly because there's more interest in other items from third parties, there isn;t too much call for a third aprty throttle commercially. However, when it comes to track detectors and signal controlelrs, there are MANY third party products that work with Digitrax - see Team Digital, RR CirKits, CML, Logic Rail Technologies, and others - all LISTED ON THE DIGITRAX WEB SITE! Yes, vendors of competing products are listed and linked right on Digitrax's web site.

                                      --Randy

 


Modeling the Reading Railroad in the 1950's

 

Visit my web site at www.readingeastpenn.com for construction updates, DCC Info, and more.

  • Member since
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  • From: Christiana, TN
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Posted by CSX Robert on Wednesday, August 12, 2009 4:41 PM
NSColsMP6
So if I had a Digitrax system I could use throttles from other manufacturers that support LocoNet or would I "be forced to only buy their stuff"?
Logic Rail, CML Electronics, RR-CirKits, Team Digital, Uhlenbrock all make Loconet compatible products. The only commercial Loconet throttles I know of are the Daisy and Fred throttles made by Uhlenbrock, but Uhlenbrock is a European country and their products are not very common in the U.S. Throttles would be a hard thing for another company to make money off of unless they could vastly improve on the throttles already available, which would be hard to do. So, while you are not likely to use another manufacturers throttle with Digitrax, it is possible(you can even build your own:FREMOs easy throttle-this is actually what Uhlenbrock's Fred throttle is based on), and there are a lot of other devices available that you can use on the Loconet bus.
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Posted by mfm37 on Wednesday, August 12, 2009 4:43 PM

NSColsMP6

So if I had a Digitrax system I could use throttles from other manufacturers that support LocoNet or would I "be forced to only buy their stuff"?

 

 No radio throttles most likely because the 915mhz band is not legal for use in Europe. The new 2.4ghz is though. So time will tell.

 These are but a few products that will work with it.

FRED

FREMO 

Uhlenbrock

Locobuffer, Locobuffer II, Locobuffer USB provide an interface to JMRI and its throttles. JMRI provides the ability to control a remote layout via a network.

See the bottom of Digitrax's home page for a complete list of developers making products that work with loconet. Keep in mind that these are loconet devices, not decoders that can only take their commands from DCC track outputs.

I have also successfully connected Lenz, NCE, and CVP Zonemaster boosters to Digitrax command stations. All of those manufacturers will happily tell you how to do it as well as how to connect a Digitrax booster to their systems. There are also several do-it-yourself boosters on the net. Matter of fact, MRC used to have an 8 amp booster that could be interfaced with other systems. Don't know if they still make that product.

 Martin Myers

  • Member since
    November 2007
  • From: Columbus, OH
  • 122 posts
Posted by NSColsMP6 on Wednesday, August 12, 2009 6:00 PM

CSX Robert
NCE has had duplex for several years now.

Looks like that's the case.  I checked p.73 of the 12/07 MR and it lists it as two-way, and that it "can do everything the wired version can".  My uncle has an NCE system so I considered it, but I knew I wanted walk-around capability - that eliminated the NCE PowerCab from my entry-level choices.

CSX Robert
NSColsMP6
...- and those throttles are more expensive.  Maybe it's the built-in flashlight. ;)...
Or maybe it's more features and flexibility. The Digitrax DT402D(as well as all other DT series throttles) has two knobs to give you direct access to two locos or consists at the same time. Digitrax radio throttles can also be used as infrared throttles on infrared equipped layouts, and as wired throttles on layouts that do not have wireless.

I suppose it'd be a nice capability to be able to operate two locomotives at once.  Seems like the guys at my local club layout (they use Digitrax) tend to have trouble operating one train at a time without rear-ending the train ahead.  It's not really something I'd use much on my 5x10 layout.

As for infrared, seems like you'd encounter line of sight issues.  I don't know anyone using IR wireless so it wasn't high on my feature list.  In fact, I steered clear of IR-only solutions based on my anticipated applications.

- Mark (NS Columbus, MP 6)
  • Member since
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  • From: Columbus, OH
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Posted by NSColsMP6 on Wednesday, August 12, 2009 6:07 PM

jalajoie

NSColsMP6

So if I had a Digitrax system I could use throttles from other manufacturers that support LocoNet or would I "be forced to only buy their stuff"?

If such a third party throttles existed, I am positive one could use it on a LocoNet network.

In fact I use a third party computer interface to link my computer to LocoNet and JMRI. That is Loco Buffer.

Something impossible to do with MRC.

There's quite a difference between impossible and "unsupported".  Someone could reverse-engineer the MRC system to achieve JMRI support.  MRC decision makers could wake up tomorrow morning and decide that developing proprietary software is a waste of money.  All sorts of things could happen.  It's a feature I'd like to experiment with, but the politics of it aren't really a critical concern of mine right now.

While we're unable to use JMRI with MRC offerings right now, we're also not "forced to only buy their stuff" because they provide the software at no cost.

- Mark (NS Columbus, MP 6)
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Posted by CSX Robert on Wednesday, August 12, 2009 6:37 PM
NSColsMP6
While we're unable to use JMRI with MRC offerings right now, we're also not "forced to only buy their stuff" because they provide the software at no cost.
But you do have to buy their interface, and how do you think they plan on recouping their development cost of the software? From their profits from selling the interface, of course. So when you buy the interface, you are buying the software too, it's a package deal. In fact, it would be kind of silly for them to sale them separately, after all, you can not use the interface without the software and you can not use the software(you can download it and "try it out," but you can not actually do anything with it) without the hardware.
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Posted by mfm37 on Wednesday, August 12, 2009 6:41 PM

 I've often thought about the reverse engineering thing. Not sure it would be legal to use the knowledge  with JMRI. Of course so far no has come forth with the info. I just assumed no one that has the ability to do so really cared.

  • Member since
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  • From: Christiana, TN
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Posted by CSX Robert on Wednesday, August 12, 2009 7:00 PM
NSColsMP6
As for infrared, seems like you'd encounter line of sight issues.  I don't know anyone using IR wireless so it wasn't high on my feature list.  In fact, I steered clear of IR-only solutions based on my anticipated applications.
You definitely can encounter line-of-sight issues. Some people have tried it and say it's not worth the trouble, but others have used it quite successfully. It depends a lot on the size and shape of your layout and layout room. Regardless, the main point was that a Digitrax radio throttle can be used on any Digitrax layout. Many clubs like to operate on multiple layouts in a round robin fashion. If you have a radio Digitrax throttle, you can take it to any Digitrax layout and use it, whether that layout is radio, infrared, or plug-in only. With an MRC radio throttle, you can not use it on a non-radio layout unless you take the base station with you - you can not just plug it in and use it as a wired throttle(all plugging it in does is charge the batteries - I do, however, like the fact that the MRC throttles use rechargeable batteries).
  • Member since
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Posted by NSColsMP6 on Wednesday, August 12, 2009 7:32 PM

CSX Robert
NSColsMP6
While we're unable to use JMRI with MRC offerings right now, we're also not "forced to only buy their stuff" because they provide the software at no cost.
But you do have to buy their interface, and how do you think they plan on recouping their development cost of the software? From their profits from selling the interface, of course. So when you buy the interface, you are buying the software too, it's a package deal.

MRC Cable, NCE Cable, Digitrax Cable - All right around the $50 mark. 

As you said, MRC Evil is apparently using that $50 to pay for the cost of the USB cable, drivers, and software development.  You pay about the same for the other cables and get a cable and...  a link to someone else's software?

- Mark (NS Columbus, MP 6)
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  • From: Christiana, TN
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Posted by CSX Robert on Wednesday, August 12, 2009 8:19 PM

NSColsMP6

MRC Cable, NCE Cable, Digitrax Cable - All right around the $50 mark. 

As you said, MRC Evil is apparently using that $50 to pay for the cost of the USB cable, drivers, and software development.  You pay about the same for the other cables and get a cable and...  a link to someone else's software?

Well, this is what I used to interface my Zephyr with a PC:

Loconet - PC Interface

found at the bottom of this page:Team Digital Support Tools.

Cost me about $5 and 10 minutes if soldering.

  • Member since
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  • From: Columbus, OH
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Posted by NSColsMP6 on Wednesday, August 12, 2009 8:59 PM

CSX Robert
Regardless, the main point was that a Digitrax radio throttle can be used on any Digitrax layout. Many clubs like to operate on multiple layouts in a round robin fashion. If you have a radio Digitrax throttle, you can take it to any Digitrax layout and use it, whether that layout is radio, infrared, or plug-in only.

I'd just pony-up and buy a Digitrax throttle (maybe radio, maybe not) if I operated on the 2 to 4 Digitrax layouts I know of in my area - assuming they didn't have an extra throttle laying around.

CSX Robert
With an MRC radio throttle, you can not use it on a non-radio layout unless you take the base station with you - you can not just plug it in and use it as a wired throttle(all plugging it in does is charge the batteries - I do, however, like the fact that the MRC throttles use rechargeable batteries).

Since I have a Prodigy Advanced Squared (PA2), if I had a Prodigy Wireless (PW) throttle I'd also have the wireless reciever dongle.  I could then take that dongle and plug it in to either the base station or a plug panel on the visiting layout (as described on p.91 of the 02/08 MR) and be running wireless.  Doesn't matter if their base station is a Prodigy Express/Advance/Advance Squared/Wireless.

It was my impression that you'd need a UR91/92 (MSRP ~$150) to use the Digitrax wireless throttle while visiting layouts. You might be able to rig one of these for quick-connect between layouts (it'd probably take some coordination) but it seems like the MRC "Wireless Conversion" dongle itself only costs $25 (based on the difference between the costs of the Wireless Computer Interface with and without the converter) and is cheaper and more portable.

Interesting that it can't function as a wired throttle... were you able to get your hands on one to verify this?  Seems like it'd be nice to have the choice of running wired & charging or running wireless, but the dongle's portability hardly makes lack of this feature a show-stopper.  I could imagine how offering dual functionality could increase the complexity (and cost) of the design.

- Mark (NS Columbus, MP 6)
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Posted by rrinker on Wednesday, August 12, 2009 10:09 PM

Robert: So you built an MS100 Big Smile That's really all there is inside that thing.

MRC either took comments here to heart or else saw tha tno one was buying their interface at the original price which was MUCH higher than $54.

As for MRC wireless - better run wireless, because their plug panels cost twice what the oens for NCE and DIgitrax do, and according to at least one person here who bought one, they have no components other than 4 RJ jacks wired together. The Digitrax ones have circuitry to support auxiluary power for the throttles as well as provide a connection and an LED to indicate local track status, and FIVE RJ jacks.

The thing about taking your Digitrax throttle to visit othe layouts - if they don;t already have radio, the radio throttle can be used as a wired throttle. No need to drag around a UR91/UR92. The same throttle works both ways. Well, 3 ways, as the radio throttles have IR in them as well. Works very well in an enclosed room with white drop ceiling tiles and the UR90 mounted up high. Not so good in a large open area or one with a dark ceiling.

Another nice thing with Digitrax is you cna get a wired throttle today and upgrade it to radio later for no penalty vs buying the radio throttle to start with. They charge the price difference between the two as the upgrade cost.

I will also add in the capabilities of Loconet which I've posted about many times, I should just type it all up on a page on my web site and ink it every time these discussions come up. Loconet can do things that absolutely none of the other popular (in the US) systems can do. And there is also the previously mentioned third party support - you cna do signalling and detection and turnout control without using a single Digitrax product if you so choose.

                                        --Randy

 


Modeling the Reading Railroad in the 1950's

 

Visit my web site at www.readingeastpenn.com for construction updates, DCC Info, and more.

  • Member since
    November 2007
  • From: Columbus, OH
  • 122 posts
Posted by NSColsMP6 on Thursday, August 13, 2009 12:31 AM

CSX Robert

Well, this is what I used to interface my Zephyr with a PC:

Loconet - PC Interface

found at the bottom of this page:Team Digital Support Tools.

Cost me about $5 and 10 minutes if soldering.

While I'm capable of tracking down suppliers for PNP and NPN transistors, and digging up some suitable resistors laying around the house, I'd wager that it's a lot more time consuming to dig up the parts and do the soldering than it is to plunk down $50 for a cable.  For most people the workmanship is probably a lot better on the store-bought cable as well.

To me, my hobby time is more valuable than my normal hourly rate - so I'd be inclined to leave menial tasks like wiring up a PC interface cable to the DCC system manufacturers.  Of course, if I needed a bunch of them that might be another story.  I think the bulk of the time building such a cable for me would be trackig down all of the components.

- Mark (NS Columbus, MP 6)
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Posted by mfm37 on Thursday, August 13, 2009 3:33 AM

 Mark,

 The point we are trying to make is that the interfaces for Digitrax, NCE, Lenz, CVP, etc. will allow third pary software and devices to work with the DCC system. Personally, I prefer to pay the manufacturer for the cable, circuit board, whatever too. I also like having a choice of devices and software to use with it. Some are free some are not. I know some people who were still waiting for the promised interface for their Prodigy systems. Prodigy Advance  came out and left them out in the cold. Absolutely nothing currently offered by MRC works with it. Fortunately, MRC seems to have figured out that total obsolescence may loose some customers because the new Advance systems seem to be at least getting the options promised. They are quite frankly decent sytems. I just don't agree with MRC's business model.

Martin Myers

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