Speed and direction control

 I purchased a PWM (pulse width modulation) speed controller from an online shop. There was very little information on the sight about the controller it only said max current 60A, so I thought that should be sufficient. When I got it it is clear by looking at it that it is not intended for use anywhere near nominal currents of 60A but maybe for really short periods it can withstand it.

 


Terminal marking on casing is in Chinese I think, but on the circuit board it is indicated in English.




Hooking up the controller. I used the cables from the remote controller from the winch they had end terminals on with correct markings so it was straight forward.


I did some tests with the controller. One was to remove the display unit and did not make any difference, works fine without it so that one I will leave out. I see no use for it.


I tried to measure the amps when bead rolling also but my multimeter freaked out so I did not get any result. Need to try that again at some other time. The good news is that at least with the short test I did the controller worked fine.



  


Opened the lid to se what is inside.
 





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