DMX For Beginers

Hi I,m a total newbie to the world of DMX

So i have a usb to DMX box and a LED wall washer (Links to both bellow)

I,ve no idea what to do next.
I,ve installed the demo software that comes with the usb box “DMX light Player”
and using that i can change the RGB intensities of the lights.

Then i open up Touch and bring up the Dmx out and connect an LFO and Math (sending 1-250) to it but nothing happens .

Can someone talk me thru the setting on the DMX out please.

Any help appreciated.

Dara

vellemanusa.com/products/vie … &id=522065
micze.com/EnProductShow.asp? … GHT&ID=411

The first channel you send into the DMX Out will correspond to the first DMX address (DMX channel) As you add channels to the DMX Out, you will access the next DMX channels in order. For example, if you input 12 channels into the DMX out, you will be controlling DMX channels 1 thru 12.

Have you confirmed your lights are addressed to the correct DMX channels?

Another note is that FTE non-commercial only has access tot he first 32 DMX channels. You need FTE Commercial or Pro to access all 512 channels.

Hi Ben
Thanks for getting back, how ever i,m geting and error in on my dmx out that says
“Could not connect with the Device. /Project/dmxout1”

So i,m wondering is this a reference to the light or the Usb to dmx device .
Also how do iknow this is installed properly
I just assumed it was because the small bit of demo software that comes with the Usb to dmx works with the lights.
It seems that it a problem between touch and the devices .

What should my dmx out settings be:
Generic serial
Ftdi Serial
or
Artnet and what coms should i be using

Thanks Again

Dara

The problem would lie with the setup for your USB to DMX device, as TouchDesigner talks to that device, not to the lights directly.

It should work using the FTDI Serial default option, or the Generic Serial. You will have to refer to the documentation for that device as we have not used one of those before. The DMX in TouchDesigner was developed on ENTTEC device, namely the DMX USB Pro and DMX over Ethernet devices they sell, but it should work for many devices and software that support DMX/Art-Net.

enttec.com/index.php?main_me … =dmxusbpro

Hey Ben / Everybody
Just wondering if you new if the Enttec open DMX USB will work with Touch or is it only the
DMX USB pro.
I dont need it for anything crazy just to do some syncing a one or two lights up to some music sort of thing experiment.
enttec.com/?main_menu=Products&pn=70303

Dara

What kind of lights are you controlling? If you post the model, we can help walk you through it more thoroughly.

So heres the exact setup i,m trying to get going.
I know that the DMX out chop was setup with The ENTTEC Pro DMX USB in mind but I really want to try and see if i can get the Velleman one we have here going before i go out and lay out the cash of the ENTTEC one.
vellemanusa.com/products/vie … &id=522065

So I,ve installed the demo software that come with this and it seems to work fine with this light hooked up to it.
eshop.steinigke.de/en/Lighting/L … tml?pgNr=1

So Ben said
"It should work using the FTDI Serial default option, or the Generic Serial. You will have to refer to the documentation for that device as we have not used one of those before. "

The Documentation doesn’t seem to be great, and i,m not really sure what I,l looking for.
But heres a link to it anyway. vellemanusa.com/downloads/0/ … _vm116.pdf

So in Touch What should me setting be on the DMX out.

If I,m supposed to run it, Generic serial the only other option i have is what serial port i can use, and the choices are Com1 to Com8.

If I,m supposed to use FTDI Serial should my Velleman usb dmx show up in the Device drop down or is there some way i,m supposed to point it towards it.
Is this where your Enttec shows up.

I understand its probably hard to offer advice with out the Device in front of you but any help would be appreciated.Or am i totally wasting my time and the Velleman will never work with touch?.

Thanks
Dara

The Velleman should work, DMX is a pretty simple protocol and we haven’t had many issues interfacing with other hardware. We only state that we can’t be sure about compatibility because we don’t have that specific hardware to test with. What works and doesn’t work so far? Can you control a fixture connected to channel 1 for example?

I seem to be getting an error when input any data into the chop
it says cannot connect to any device, in the error message .
I can get you an exact error message tomorrow , i,m not near the system at the moment.
The lights and interface seem to work fine with the simple software velleman provided, so i,m guessing that either Touch is not seeing the driver or I haven’t installed the drivers properly or I,m doing something silly.

Thanks
Dara

Hi Dara,
iLEDMapper is a free app for iPhone or iPad that receives and displays artnet data over a network. It was very helpful while I was trying to understand how channel data was mixing together to work with lighting fixture channels.

This may be too far off-topic to have any relevance to this conversation but thought I’d chime in anyway.

Here’s the link:http://iledmapper.geldreich.net/

Good luck!

Brain

I just posted this update to my situation on the Velleman forums so maybe between them and you guys i can get his working.
Thanks for all your help so far. I feel like i,m inching towards a solution anyway. Progress is always good…
forum.velleman.eu/viewtopic.php?f=15&t=10805

Hi
I,ve fairly new to all this side of things, just to let you know.

I,ve been trying to get the Velleman usb controlled DMX converter to work with touchdesigner for ages with out much luck.

See here :
viewtopic.php?f=4&t=3545

So i seem to have narrowed it down to the fact that i cant get to VM116 to show up as a normal usb device on my PC.

Instead it shows up as an un-named human interface device.

The people over on the touchdesigner forum said that it should work with either FTDI Serial or
Generic serial, but can get touchdesigner to conect with the device on either one.

Is there a driver that i,ve missing that i should install to get this going.
I,ve tried running the K8062e.exe and it says
“There is the I/O routine for the K8062 USB Communication
This is not a stand-alone program”
Not sure what that means in plain english.

The Device works fine when I run the DMX_Demo.exe. I can get a light to work with it, and all seems well.
The problem is just getting it to show up in touchdesigner.

Any help would be greatly appreciated.

I,m using windows 7 aslo.

Dara
Dublin Ireland.

So here the answer from Velleman Re there Usb to Dmx converter

"I’m sorry to say but the software you are using is designed for different DMX converter.
It will not work with the K8062/VM116.
The software you are using is using virtual COM port as an interface media between the PC and the DMX interface unit.
It is also using the hardware specific drivers.

The K8062/VM116 is using HID (Human Interface Device) USB device class driver. This driver and its installation files are included in Windows:
msdn.microsoft.com/en-us/library … 20(v=vs.85.aspx
Also the K8062/VM116 is using totally different communication protocol."

So I guess that is that then.

So has anyone one tried the Enttec open USB
enttec.com/?main_menu=Products&pn=70303

or do i have to go with the pro or the ethernet version.
enttec.com/?main_menu=Products&pn=70304
enttec.com/?main_menu=Products&pn=70305

Also just a quick question whats the difference between a 5 pin and a 3 pin.
My lights are all 3 pin so do i just need one of these cables
ebay.com/bhp/5-pin-to-3-pin-dmx

Dara

I’m gonna jump in the fray here since I’m in pretty much the same boat as Dara, except with a different interface.
Here’s the cheapo interface I am trying:

blog.pennybuying.com/down/fb/FB025A.pdf

it came with Freestyler freeware and I was able to confirm I could control my DMX light fixture with that, so I know it works. The manual suggests art-net is an advantageous way to go, so I spent the weekend learning about that and other DMX stuff (knew nothing).

this freeware program also is helpful for monitoring:
lightjams.com/artnetominator/

I’ve attached a screenshot showing a basic TD network outputting artnet data, with Artnetominator confirming that the LFOchop is sending data on to my network. The third program in the screenshot is uDMXnode, which came with my interface and is supposed to translate artnet to DMX (Ithink).

so the sine wave in ‘history’ shows my LFOchop. This is about as far as I got. I guess it confirms that TD is outputting . The parts I’m curious about:

there’s no documentation in DMXoutCHOP that describes about network address/port params , so I assume that refers to my computer?(10.1.10.134) - no other address seems to output anything.(Ami confusing artnet with IP addresses?)
I will also assume that port 6454 default is some sort of ‘port default’ industry standard that means something to some devices. This is recognized by Artnetominator. What is mysterious to me is that Artnetominator sees ‘62723’ for some reason. Is that a port ? Am I confusing IP with Artnet ? Further curiosity is that this number is not static, and will change when I re-init parts of this experiment - not sure what ‘62723’ means or where its coming from.
I realize there’s an upcoming artnetDAT that will probably clear up a lot of this stuff, but thought I’d share my experiments to try and get this cheap interface going.

Another approach I started earlier this weekend was to try and just go out a COM1 port. I couldn’t find any ports in Device Manager. I guess my computer doesn’t have any? I looked in BIOS to make sure they weren’t turned off. Nada. I created a virtual port with some software from somewhere, which seemed to default to COM3. I didn’t know what to do with COM port anyway … maybe I need to make one of my USB ports a virtual COM port ? I dunno… I’m an old-school mac guy. I missed the COM port party I guess (these are apparently old-school PC ports from the days of modems and parallel printers). My head hurts. Hopefully this info is helpful to us all to get this stuff working for all. Thanks for sharing !

(I cannot resist one more stab at a simple COM1 output connect, so …)

c.o’d