nicobie wrote:I just put my board together and like Degull said, "it was a piece of cake" The directions are clear and easy to follow.
I think I'm going to buy another to control 2 - 36V power supplies in series. Do you pick the proper current resistor by total voltage of the 2 supplies or the voltage of just one of the supplies?
Thanks for making these boards available again.
hjns wrote:I want one. I sent Degull some money. Hope that there is still one left?
Andje wrote:Just making sure, but for a 168v Meanwell setup, you would need a 135v zener to drop it down to under 35v?
Andje wrote:Ok, I see, I was certainly confused. I will be using 48v MW in series, so I only need that size zener, I see. I have two boards coming, and will end up using 3-4 mw, so if I need two for the 4 in series I am covered. Thanks Fechter.
Andje wrote:You use the actual output of the psu that you attach the board too. Then you add a zener to get the voltage down to 35v or under. So if you were using a "48v" supply tuned to 51v or something, 51-35=16v zener at least. If you were using 4 of those same supplies in series but tuned down to say 42v each to make 168v in total (40s), you would use a 42-35=7v zener at least. You would also probably need two boards when going beyond 2-3 psu in series.
Correct me if I'm wrong?
megacycle wrote:Hey Fechter, got a opposite problem to most, where i'm wanting to limit around 130+ amps on a RSP3000/24V.
Was thinking i might need to seperate the circuit board from the shunt/s....
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