On Tue, 19 Jul 2016, Paul Koning wrote: > I wouldn't run my $100 little VFC in production, but I expect that the > more expensive ones from serious companies like Yaskawa or Allen-Bradley > will do just fine.
I forgot about those. I think you are right. I've seen what I believe to be massive VCFs in a metal-powder mill with multiple inputs. Those probably can provide you with even more redundancy since you can run multiple input lines. -Swift