How to change program speed % programmatically (KRC1)?

x9tech · December 28, 2015 at 6:03 PM

I have a bunch of LIN_REL's for a milling job. Getting a feel for how it runs, I need to alternate between 12% and 20% speeds on the pendant. Short term program that I don't need to last beyond today.

What's the equivalent way to programmatically adjust that speed or declare velocity inline with the movement?

Currently movements like:

LIN_REL {X 100}

Thanks!

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s2007.ravi · December 28, 2015 at 6:12 PM

You can use $OV_PRO in your program and change the speed. It is the program override of the the velocity same as you do it from Teach Pendant.

**panic mode** · December 28, 2015 at 7:06 PM

well you certainly could mess with override $OV_PRO but this is bad practice (what stops operator or anyone else to change this manually to 100%?).

i think it is much better to leave override at 100% and use program to set program speed limits
for CP motion it is $VEL.CP
for PTP motion it is $VEL_AXIS[1..6]

x9tech · December 28, 2015 at 7:47 PM

Thanks, $OV_PRO is what I was after. I know it's dirty and horrible, but crazy tight deadline + I'm tired and I'll be throwing the prog away @ end of day...

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NoMad · December 29, 2015 at 7:24 PM

maybe you can use $red_vel in stead of $ov_pro

Q-mars · April 5, 2025 at 9:00 AM

How to change program speed % programmatically (KRC1)?

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