is it possible check( encoder dro )and( machine coordinate dro)
have some deviation during just mach3 do E-stop ?

i need to know can do this with macro pump or Brian.
if any one can  advise to me make me happy...
thanks

this one may be worth a try.

see pict.

If you are just looking to see the deviation error, check OEMDRO's 127, 128, 129.

Error between Encoder 1 and abs X position DRO   127
Error between Encoder 2 and abs Y position DRO   128
Error between Encoder 3 and abs Z position DRO   129

first of all i say thanks guys for quick reply... 
cncalex ;i tried  today if work or not say here .

Bodini : it just dro for Error between Encoder ,so i need this:
if have a  deviation error on each axis then active output ,or do oem button  reset. thanks again

Is this closer to what you want ?

alex

i tried right now and yes that is working great thanks.
yesterday i tried something like this with brain . it is working like your brain, but in your brain better....
now i have a new problem :
in this case i use servo motor encoder on my machine and encoder pulse = 2500 per revoltion
i guess mach3 can not reading pulse maybe encoder pulse is too fast or big ?!!!
when axis moving slow dro encoder pulse is true but during axis moving like G0 then encoder dro false
how can solved this problem?

sorry for my bad english

If after a rapid move the axis position and encoder position are the same then it looks like yor problem is the follow error of the servo.
in this case you can try tu tune the servo more stiff. Or increase the allowable lag in the Brain.

If after a rapid move the axis position and encoder position are completely different then I think the pulses came too fast.

sorry for my bad english

no prob., my is not even better 

alex

One of the problems you run into doing this is it takes a LOT of CPU resources to read all the encoders at speed. Mach3 is not really up to do this reliably. The OEM (Rogers Machine) that has done this USED a seperate high speed counting board to COUNT the encoders and report to Mach3 via a plugin. This takes the load off of mach3 and it works fine. You can EVEN have mach3 auto correct the position if it gets off track.

Just a thought, (;-)TP

dear cncalex , i am sure  my servo motor and drive is tuning correct ...so perhaps encoder pulse too fast because 2500 per r
if  use (1000 per r or less) encoder  then possible solved this problem?

BR549 hi,thanks for replay i see rogers website and i know how to work...i can t buy that (from my country)  
so i tried find result and i know maybe cant do that but just tried...  

Hi,
AFTER a long rapid move is there a difference between the axis dro and encoder dro?

alex