Parker Digiplan stepper drivers - opinions?

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British Steel

Active User
Active Member
May 12, 2011
Struck lucky again (perhaps) in the World's Best Skip, two sets of Parker Digiplan SD3 stepping motor drives (total of 10) in a pair of 19" rack enclosures - I've found the Book of Words online re setup and installation, are they worth using? My son's thinking about a building a CNC router for making cosplay accessories :)

They can deliver full and half-steps, 3A max per phase, from up to 36v DC (or 2x28v AC) supply, they're old but look well-constructed - anyone able to advise regarding quality, reliability, fault tolerance? I have a hatful of hefty steppers (mostly in the 4 - 5A max range, Skip and Ebay sourced!), the Parker book advises using motors with max currents well above the drive's max current so I now just need to check the drives actually work...!

Would be nice if they could take a 48v supply, as I have a KW of telecoms switch-mode PSU available...

Thanks in advance,
Dave H. (the other one)
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