10EE Danfoss Varispeed A2000 adjustment:

Zap921 · Sep 2, 2019

Wondered if anyone has any experience with adjusting the max speed on these. Only manual I could find online doesn't quite match up to the board that I have. In that manual it just describes adjusting the Max rpm pot but mine doesn't have that pot only Range and Gain. My lathe originally would max out at 1,25rpm but only seems to be getting up to 950rpm these days. Anyways would appreciate any input that you have and can I hurt anything by adjusting those two pots?

Thanks,
Nick

Briney Eye · Sep 2, 2019

Did you find this one? The max speed trim pot is on the lower board.

Zap921 · Sep 2, 2019

Briney Eye said:
Did you find this one? The max speed trim pot is on the lower board.

Yes I did thanks. As a matter of fact I just look a little further after reviewing that manual again. So the Max speed pot is below that 1899-C controller board. I took the board off the standoffs and found out that the Max pot is set fully clockwise. The Controller board has the Min speed adjustment on it. So I tweaked the Range and Gain up a little bit and these seem to affect the Max speed. Turning the range up will cause the motor fluctuate up and down in speed until the Gain is brought up a bit.
Looking for info on the 1899-c board now. Thanks for the link and reply.

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10EE Danfoss Varispeed A2000 adjustment:

Zap921

Cast Iron

Briney Eye

Plastic

Zap921

Cast Iron

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