Quote Originally Posted by Gary View Post
What drivers, and what is the DC voltage at the driver?
four drivers from one PS407 is cutting it fine.
For three axis with the PM542 we suggest two PS407 power supplies and this is the same for four axis.

sorry did not make it clear i did have 3 ps407 supplys but now only running 2 and drivers are pm542 x 4
so running 4 drives from 2 ps407 not all axis running at the same time at the moment lol using rotory table not using Y but driver powered
might unplug the driver

have to reconnect the power supply togive you voltage at driver forgot what it was ???