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Extending cables for display

MakersMic

Extending cables for display
August 08, 2017 09:34PM

Registered: 7 years ago
Posts: 10

Group, would there be any issue with the display communicating with the display of I wanted to extend the cables that connect the two? Currently they are about nine inches long and I would like to extend to about five feet. I know it's long but that's the goal.

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obewan

Re: Extending cables for display
August 09, 2017 03:20PM

Registered: 7 years ago
Posts: 759

Using normal ribbon cables you will almost certainly get garbled data on the screen,
You might get away with using screened cable but i doubt it, not at 5 feet.

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MakersMic

Re: Extending cables for display
August 09, 2017 08:35PM

Registered: 7 years ago
Posts: 10

I successfully lengthened the cables by 2.5 feet. No issues yet.....

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tgmorris99

Re: Extending cables for display
August 09, 2017 10:02PM

Registered: 7 years ago
Posts: 45

I'm using the 600mm cables w/o any issues but I'm fairly certain that going to 5 feet would be a no go using ribbon cables. I've seen 1 meter shielded cables for sale but that still falls significantly short of your goal. You may be safe using ribbon cables at 2.5 feet like you've done if you make sure they don't have any cross talk issues with the other wiring.

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dc42

Re: Extending cables for display
August 10, 2017 03:53AM

Registered: 10 years ago
Posts: 14,682

You could probably get it working over 5 feet of cable if you used RS422 line drivers to send the signals and the corresponding receivers to receive them. Otherwise, I think it's unlikely.

Edited 3 time(s). Last edit at 08/10/2017 03:56AM by dc42.

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Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].