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Hello,

I am running a thre axis CNC mill with stepper motors with mesa 7i76eu. I wanted to connect stepper driver alarm outputs to mesa and have them triger emergency stop. I am also planning on adding two additional Estop buttons. I wired them up but then noticed that linuxCNC setup wizard only lets me select one output as emergency stop. Is there a way I can select multiple inputs as emergency stop, or do I have to wire the buttons in parallel and connect them to one input.

Hey thanks for such a speedy replys i had the orange block wired wrong.

This is using the 7i76e but more or less the same

Do you have power connected to the orange TB1 header? The Jumper W1 connects VIN to VField but you still need to supply power to VField/VIN and GND. My 7i76eu is powered entirely by 24V going to both TB1 Pin 5 / Pin 8 for field voltage and TB3 Pin 21/ Pin 24 for logic power. My PNP sensors work flawlessly although it took me some time to figure out how to set the inputs to sinking/sourcing.

Had the same issue, need to wire the "orange block" so that your inputs and outputs have power. You should see a yellow light only with only Ethernet or 5v power..... and a red or green light with field power.

I think it's just the bottom one on that orange block that needs 24v and the top one needs ground but that's from memory.... please check the manual

Hello,

I am using Mesa 7i76eu card to operate my 3 axis CNC mill. I connected the stepper motors and they work, I can move them with linuxCNC. Now I tried to connect PNP proximity sensors to use as homing switches, but they are not working. At first I was also getting an error when starting linuxCNC, but i noticed that is because W1 jumper fell out while wiring. I set the W1 jumper back to its original left position but the pins are still not working. I also noticed that i have a CR11 LED light turned on indicating field i/o fault. Does anyone have an idea what could be the problem.

Success!
I moved that line to my posthui.hal and now everything works. 

# --- ESTOP-EXT ---
net pendant-estop     <= hm2_7i76e.0.7i76.0.0.input-29

Thx for the support. 

Its not easy to add a 3rd MPG to a 7I76E/7I76EU isolated I/O
But it would be easy to add 3 or 4 to the parallel expansion port
of a 7I76E,7I76EU,7I96,7I96S,7I95,7I95T etc as long as the MPG
just has 5V signals

Another easy way to add 4 MPG inputs to almost any card and simplify cabling
is to add a 7I73

 

I have never run this sort of mill- it originally had 3 handwheels, one for each axis, i dont know the resolution of them, but i doubt they were 100ppr, im thinking more like 200-500 to do half thou or 2 tenth motion(assuming 1 rotation was .1"), at least thats what would make sense for me.

i have another question: can a 3rd mpg encoder be added to the firmware of a 7i76e?

Also thanks a lot for the help, and this forum. amazing place!

Update / Wednesday 5:52PM: 
finally found the root cause for this behavior.
Its line 25 in my pendant.hal

# --- ESTOP-EXT ---
net pendant-estop     <=  hm2_7i76e.0.7i76.0.0.input-29

when I comment it out, everything is fine. 

Now I just have to understand whats going on with this signal.

Regards
Sebastian

###############################

OK, I am one step closer.. I created a "virgin" configuration.. that worked fine and didnt show this error. Than I started copying my old config file by file into the new folder to narrow down when this error would be introduced.

And - believe it or not - it happens as soon as I include my pendant.hal file.

Here is a screencast. Its 100% reproducable.


As soon as "G54" is highlighted in the top left corner, everything is fine. When its "off", I always get this popup...

Does this make any sense to you?
this is my config.
github.com/SebastianMusser/LinuxCNC

Thanks for the tips! 

I applied it to my setup and realized that the net pdnt.spindle.is-on whb.halui.spindle.is-on spindle.0.on"
"net pdnt.spindle.is-on => hm2_7i76e.0.7i76.0.0.output-11" 

In my Hal file. Everything is working now. Thanks!

Pretty sure this is all you need
net spindle.0.on hm2_7i76e.0.7i76.0.0.output-11
or this
net solenoid-bearing_air spindle.0.on hm2_7i76e.0.7i76.0.0.output-11

Ah, even easier. Thanks!

Like so ( I would also like to use manually using code, thus mapped to motion pin)?
net solenoid-bearing_air spindle.0.on hm2_7i76e.0.7i76.0.0.output-11 <= motion.digital-out-05

Hello everyone 
I want to create a new screen for a machine that i am working on 
Qtdragon seems ideal for me but i need to modify it by deleting some sections that i don't need and adding other sections and buttons i already installed glade and also qt creator. 
The board that am using ( mesa 7i76e) is in the machine and it's a bit far from me i couldn't use it for now so i can't create a project using my board configuration 
So i need to create a modified qtdragon template or modifying the .ui file of the qtdragon template 
When i create sim project based on qtdragon i couldn't find where i should make the modifications (.ui file doesn't exist in my project directory)
Anyone has an idea how to do that ? 
Thanks in advance 

The following hal file is based on linuxcnc wcomp component.
linuxcnc.org/docs/2.8/html/man/man9/wcomp.9.html
The file was automatically generated by the eagle2hal script. 
 
​​​​​​​
#

---

# Load realtime Components and their counts
loadrt not          count= 1
loadrt or2          count= 1
loadrt wcomp    count= 1
#

---

# Add functions to threads
addf wcomp.0              servo-thread
addf not.0                    servo-thread 
addf or2.0                    servo-thread 
#

---

# Set parameters
setp wcomp.0.max  1600.0      
setp wcomp.0.min  900.0     
#

---

# Connect Pins using signals/wires
net axis.x.pos-cmd wcomp.0.in
net cyln.pos<max&&>min wcomp.0.out  not.0.in
net cyln.pos>max&&<min not.0.out  or2.0.in0 
net cyln.extended or2.0.in1  wcomp.0.under  
net trigger or2.0.out  hm2_7i76e.0.7i76.0.0.output-05