What is the resistance across the brake?
Al.
Ie had these for a while. I cannot seem to get the brake to disengage. Ive tried 12 to 24V at varying amperage to the white wires and it remains locked. Heres some pics. The yellow and green ground goes to a plug with the brake wires, though it doesnt seem like it would effect an electromagnetic brake. PLEASE help!
Thanks in advance.
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What is the resistance across the brake?
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.
I think my multimeter is faulty. It reads as 1 when set to a sensitivity of 200 ohms max. I spoke with electrocraft and they think its probabably a 90V brake and should read .42ohms across the leads. I have no way to test this other than running 120V AC through a bridge rectifier to get a jittery 90VDC.
There is no problem with using unfiltered DC for large components such as brakes or clutches, it is done all the time.
But .42 ohms is Way too low for a DC brake, especially a 120v one, 90/.42 = 214AMPS!!!.
That would be more in line with an AC version, as the inductive reactance comes in to play, effectively in series with the resistance.
Are you sure it is actually a brake??
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.