My spindle is driven by an Automation Direct GS2 drive. I am running it via 
Modbus over  RS232. It seems to be working fine. I don’t have a spindle encoder 
installed.
Modbus components in LinuxCNC are not real-time.
I don’t know what that implies.


Thaddeus Waldner
Newdale School
Elkton, SD 57026

________________________________
From: John Dammeyer <jo...@autoartisans.com>
Sent: Saturday, October 5, 2019 11:59 AM
To: Enhanced Machine Controller (EMC)
Subject: [Emc-users] Spindle Speed Control.

If you are controlling the speed of your spindle with LinuxCNC instead of just 
ON/OFF/DIR, how are you doing this?

Step/Dir?

0V-10V PWM?

ModBus?
If ModBus RS232 or RS485?

Some other way?

Thanks
John


"ELS! Nothing else works as well for your Lathe"
Automation Artisans Inc.
www dot autoartisans dot com


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