MSD542 questions - CNCzone.com-The Largest Machinist Community on the net!

mtompson · #1 11-19-2007, 08:02 AM

hello
I am new to CNC diy, and just have a few questions...
I am using 3 X MSD542 from Motion Control Products Ltd, driving 3 X FL60STH86STH motors. I'd like some thoughts on wiring in series or in parallel, does anyone favour one over the other and if so why.. I am hoping for a machine which has a bias for accuracy over speed, ( but it would be nice if it doesn't go too slow! ).
any useful wiring tips etc would also be great..
many thanks for any help everyone..
MT

Oldmanandhistoy · #2 11-19-2007, 04:12 PM

Hi,

If you envisage running your motors at less than 500 RPM wire them series; over 500 RPM wire them parallel.

Wiring series will give you more torque at lower speeds were parallel will give more torque at higher speeds.

I think you will be able to download a torque curve chart for your steppers from their website which should show the differences in wiring methods.

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