128 - transmission distance

banneduser · June 14, 2003, 9:06am

Hi there, I am making a 128 - nearly there - and was wondering if anybody could tell me how long the cable can be between a DIN Module and a switch ?

Thanks

Pete

pay_c · June 15, 2003, 9:26pm

Really no idea. But as the DIN works with a 10k pullup resistor (from 0V to 5V) it should be pretty long. I would guess like 5m and more (and even much more if u use those “geschirmte” cables (german… those cables, where the ground cable surrounds the main one… whatever).

*IF* you have problems you can lower the pullup to 4,7k or even 1k (also I would stick to 10k). But I dont think so.

Just try it out and post it! ;D

gillesdeshays · June 16, 2003, 2:42am

I use a prototyp control glove with 5 m of “shielded” cable connected to a Midibox16 without majors problems …

But i notice the neons (fluo tubes) introduce some jittering in the signal … when the glove is close the fluo lamp … like a speed LFO … … but not really usefull !!! ;D

pay_c · June 16, 2003, 3:25am

Thanks for the one word, gilles: shielded! Thats what I meant… ;D

gillesdeshays · June 16, 2003, 1:14pm

I don’t really know if it’s the right word … but it’s seems to be “understandable” … ;D ;D ;D

banneduser · June 17, 2003, 9:50am

Thanks for the info - I’m running about ten meters so even sheilding might not sort it out, so I think I’m going to have a bank of relays for the switches, the bigger problem is my 128 doesn’t work, but I will be posting a question about that later once I’ve checked the forum for any clues as to what I have done wrong - right now just working on contingencies for the project.

Pete