DEC RP06 power

From: Eric Smith <eric_at_brouhaha.com>
Date: Tue Oct 24 23:41:00 2000

"Richard W. Schauer" <rws_at_enteract.com> wrote:
> I've recently acquired an RP06 as part of a PDP-11/44 system, and I wish
> to run it (why not?) I remember reading on this list a while back, that
> it could be operated on single-phase power instead of three-phase.

Not likely.

> I got a printset along with the drive, and it's pretty unclear about
> what would use the three-phase- it's almost like the third phase is
> ignored, the 208v between the first two phases is fed to the
> transformer, and the primary is sort-of center tapped to feed the 115
> volt fans. Is this right? How would I go about feeding it
> single-phase if that isn't right?

Sounds like you're looking for the printset for the electronics.
The drive uses a three-phase motor. Some people have suggested using
a capacitor-start arrangement to run it without three-phase, but I'm
very skeptical that it would work well.
Received on Tue Oct 24 2000 - 23:41:00 BST