Even with a converter you'd need a way to connect it to the dimmer - so it doesn't really solve the problem of not having the cable.
If you can find someone who can rent a converter box, chances are they will have the cables for it.
Even with a converter you'd need a way to connect it to the dimmer - so it doesn't really solve the problem of not having the cable.
Sounds like this facility has about the same capacity as the space I get to do lighting in. 12 20A dimmers, patched to circuits with NEMA L5-15 outlets. My control board has 2 scenes. Each circuit has two outlets located so the circuit can provide both sides of a McCandless method front light system.
I'd love a cheap way to control the dimmers from a computer. I've thought about building a converter from LED controllers that take DMX signal and output PWM. I might need raise the voltage of the PWM, then the right arrangement of capacitors and resistors should be able to smooth out pulse into 0-10V to control the dimmers.
I'm confident about soldering the cable, but it's hard to find the connector. There are bunch on eBay but a lot are across the country.
It would seem that the choice is really to fix the problem 9build or buy cables) or just do the show and rent the cables. We (DesignLab Chicago) probably still have some 8-pin C-J cable hiding in the corners of the basement and I imagine that other rental shops do also. Rental should be dirt cheap since these cables are not - well - in high demand these days. It's a rugged connector but after extensive use you may need to tape connectors together. The cable is usually just an 8 conductor, 18 Ga. wire, unshielded and usually with a PVC jacket. With only 12 channels just using the analog control may just be the easiest/best way to go. And those dimmers - you could do most anything to the Leprecon dimmers and they always worked - old tech but well engineeredEven with a converter you'd need a way to connect it to the dimmer - so it doesn't really solve the problem of not having the cable.
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