Gentlemen
A quick overview of my project:
Shizuoka BV10 with 24 tool changer
Motenc-Lite board
AMC servo amps
Fanuc DC servos with pulse-coder 2000 encoders
Baldor 15hp AC spindle motor with encoder feedback and Baldor inverter
drive.
2 speed gearbox
I have gotten my machine moving in 3 axis, tuned and reduced the following
error to below .001 inch at almost any feedrate. Another step complete.
Now, on to spindle and my question
1)
I have been reading the documentation and searching the web site, and it
seems that EMC is generally configured for a 0-10v signal to run the spindle
with outputs controlling the direction. The mode that I would like to run my
Baldor spindle drive in requires that the signal be +/-10v (-10v being full
reverse and +10v being full forward). What is the easiest way to get the M04
to output negative voltage. I know that there are a number of ways to do
this with relays, but it seems logical that the Motenc board should be able
to output the negative voltage for reverse rotation. As I am short on I/O's,
I hate to give up even one if I don't have to.
Thanks
Glenn Stewart
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