Author Topic: brain dead... looking for someone to check my config.  (Read 960 times)

Offline Steve Gase

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brain dead... looking for someone to check my config.
« on: November 27, 2014, 07:41:30 PM »
I have 24 arches, each 40 pixels in length... for each group of 3 arches, I use one uSC controlling 120 pixels each.
To drive the 24 arches, I use 2 hubs -- each hub is located in the middle of 12 arches.  To avoid long cables I have the first arch configured for "forward"...  the next arch is "backward"...  then forward, then backward... and so on.

I believe I made a mistake when I originally configured the backward uSCs...    I had the backward uSC use the first channel in the block of addresses assigned to the uSC.

Is that right?  should I instead use the first channel in the LAST pixel allocated to the uSC?

For example:

I have 10 pixels... I want to use the block of addresses   1-30.
I want to use 'backward' so that pixel 10 is first coming out of the uSC, pixel 9 is next, and so on...

should I configure the uSC to use:

A)  channel #1  (the first channel in the block of addresses)
B)  channel #30 (the last channel in the block of addresses)
C)  channel #28 (the first channel in the last pixel)

I think my mistake was using channel #1 in my config.
I now think I should have used channel #28.

thoughts?

yeah... I could just try it out and see what happens.  :)
http://WinterLightShow.com  |  110K channels, 50K lights  |  Nutcracker, Falcon, DLA, HolidayCoro

Offline jnealand

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Re: brain dead... looking for someone to check my config.
« Reply #1 on: November 27, 2014, 08:08:22 PM »
When thinking about your arches.  Consider them as one long string.  Configure the arches as though they were consecutive.  Consider the forward and backware only from the standpoint of connectivity.  Say I have 4 arches each with 50 nodes / 150 channels for ease of calculation.

Arch 1 channels 1-150
Arch 2 channels 151-300
Arch 3 channels 301-450
Arch 4 channels 451-600

Now for connectivity I put one controller right in the middle of the 4 arches with the two left arches connected to the tail end of the arch (by channel number) and the two right arches connected to the beginning of the arch (by channel number)

Arch 1     Arch 2      controller    Arch 3      Arch 4
1-150     151-300    | |     |  |      301-450   451-600
                         x--|  |    |   |----x
        x------------------|   |--------------------x 
where is x is where physical connection is

So going  left to right I need the arches to be
Arch 1 connection on the right so backward because chan 1 is far left of the the controller which is connected at the end of the logical string
Arch 2 backward same as above
controller in the middle
Arch 3 connection is on the left so forward because the channel count is now going away from the controller and the connection is at the lowest channel number
Arch 4 forward same as above

That is more words than you need Steve, but in case someone else reads this......
Jim Nealand
Kennesaw, GA
Lynx, Falcon, XL, FPP

Offline Steve Gase

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Re: brain dead... looking for someone to check my config.
« Reply #2 on: November 27, 2014, 08:54:17 PM »
Jim, you are describing a similar configuration to what I am doing...  you get what I am trying to achieve.

The controllers in your example in forward order are easy:

#3 --  forward order, channel #301
#4 --  forward order, channel #451

but the backward controllers are causing me to question my mind...  ???  are they:

#1 -- backward order, channel #148
#2 -- backward order, channel #298

is this right??

Offline Steve Gase

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Re: brain dead... looking for someone to check my config.
« Reply #3 on: November 27, 2014, 08:57:10 PM »
my question amounts to this:   is the configuration utility or the uSC doing the math for me allowing me to always specify the start of the block of channels...?  or does it require that I provide the channel for the first pixel coming out of the controller?

Offline Frankr

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Re: brain dead... looking for someone to check my config.
« Reply #4 on: November 28, 2014, 08:33:00 AM »
for the other SSCs and the F16 you just specify the start channel and direction. NOT the channel of the first node from the controller on the string. I am not doing this with any uSCs but I use it on F16s and SSCsv1-3

Frank

Offline jnealand

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Re: brain dead... looking for someone to check my config.
« Reply #5 on: November 28, 2014, 09:35:21 AM »
my question amounts to this:   is the configuration utility or the uSC doing the math for me allowing me to always specify the start of the block of channels...?  or does it require that I provide the channel for the first pixel coming out of the controller?

I use the lowest channel in the string which is not necessarily the first pixel coming out of the controller.

Offline corey872

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Re: brain dead... looking for someone to check my config.
« Reply #6 on: November 28, 2014, 08:01:46 PM »
^^ Yes, I believe that is correct, and the uSC should not differ from any SSC in this regard - they would all program and handle channels the same. 
Corey

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Offline Steve Gase

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Re: brain dead... looking for someone to check my config (SOLVED)
« Reply #7 on: November 28, 2014, 08:23:36 PM »
Thanks for the confirmation everyone. 

I had a problem with colors on some of my arches...  turns out that my channel numbers were offset by 2...
At the time I started to question everything after a long day. 
But today i guessed that backwards mode was not the issue -- the movements in string mode were looking fairly good.

 

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