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  • DerKlotz
  • DerKlotz
Yesterday 12:48 - Yesterday 12:48

Verdrahtung Leadshine DM856 Ena+ und - bei Mesa 7i76e

Category: Deutsch

Im Moment ist ENA bei mir auch nicht verdrahtet und die Treiber sind ständig an... mich nervt dieses Motorgefiepe wenn die Maschine nicht aktiv arbeitet. Das ist im Moment noch häufig der Fall, weil ich Einstellungen/GUI/Probe Basic teste. Ein bischen mehr Sicherheit ist ja auch ganz gut.
Danke für deine Antwort
  • timo
  • timo
Yesterday 12:24 - Yesterday 12:29

Verdrahtung Leadshine DM856 Ena+ und - bei Mesa 7i76e

Category: Deutsch

Ich habe die Enable Eingänge an den Motoren einfach frei gelassen :-) die Maschine muss (eh) "festgehalten" werden, wenn der jeweilige Motor sich nicht dreht.

Bei meinem DM860H (noname), geht der Motorstrom aus, wenn ENA+ (5V) und ENA- (GND).
Das funktioniert also prima ohne Enable, ist aber wahrscheinlich so, wie Mücke schreibt.
  • DerKlotz
  • DerKlotz
Yesterday 10:12

Verdrahtung Leadshine DM856 Ena+ und - bei Mesa 7i76e

Category: Deutsch

Moin Mücke,
vielen Dank. Werde ich testen.

VG
  • Muecke
  • Muecke's Avatar
08 Mar 2026 18:38

Verdrahtung Leadshine DM856 Ena+ und - bei Mesa 7i76e

Category: Deutsch

Hey, 

ich habe zwar nicht die gleichen Treiber, aber ich habe einfach 5 V draufgegeben und der Treiber war gesperrt. 
Demnach müsste nur ein digitaler Ausgang deiner Mesa-Karte auf ENA+ gelegt werden und der entsprechende GND des digitalen Ports der ESA auf ENA-. 

Wenn der digitale Port dann HIGH ist, müsste der Treiber gesperrt sein. 

Gruß Mücke 
  • tommylight
  • tommylight's Avatar
07 Mar 2026 18:08
Replied by tommylight on topic MESA 7i76eu Firmware

MESA 7i76eu Firmware

Category: Driver Boards

Errors with limits have nothing to do with what Linux or version of LinuxCNC you are using, the are a setup issue, namely just invert them in hal or in the wizard.
  • georgio
  • georgio
07 Mar 2026 17:04
Replied by georgio on topic MESA 7i76eu Firmware

MESA 7i76eu Firmware

Category: Driver Boards

Hi, I am a newbie and I am having the same issue. I tried the bundled package with debian 12 Linuxcnc 2.9.4 iso and installed it. After starting the pncconfig and trying to run the board I got errors with the limit/estop/probe input on TP6. I set those to not used and I could get pulses on the board for movement. If I try to reset those inputs I get the errors again. I am going to try Bendandsends idea of individual install of debian 12.13.0 and Linuxcnc 2.9.8 and see what happens. I do not understand what you mentioned Tommylight when you said already replied to that from Bendandsend. Thanks for all you help I am frustrated now and appreciate all of the help to get this solved
  • DerKlotz
  • DerKlotz
07 Mar 2026 11:50

Wiring Leadshine DM856 Ena+ and ENA- -> Mesa 7i76e

Category: Milling Machines

Great and thanks for your quick replay. I´ll check
  • tommylight
  • tommylight's Avatar
07 Mar 2026 00:13
Replied by tommylight on topic help - mesa 7i76eu - pin does not exist

help - mesa 7i76eu - pin does not exist

Category: Driver Boards

Does 7i76EU have field power?
  • josh1e
  • josh1e
06 Mar 2026 23:48

help - mesa 7i76eu - pin does not exist

Category: Driver Boards

hi. after running pncconf wizard, I cannot load linuxcnc because of error below, i was trying to setup sn04-p2 type proximity sensors on tb6 pins 0,1,2 and probe and estop on 4,5. Any ideas to resolve please? (note, im new to mesa and linuxcnc) thanks

Debug file information:
Note: Using POSIX realtime
./3020f.hal:31: Pin 'hm2_7i76e.0.7i76.0.0.input-00' does not exist
3994
  • PCW
  • PCW's Avatar
06 Mar 2026 14:36

Wiring Leadshine DM856 Ena+ and ENA- -> Mesa 7i76e

Category: Milling Machines

Yes, the PNP connection is correct for a 7I76E field output (With appropriate series resistor)

Note the the default operational mode for Step drive enable inputs is disabled when powered
(which is the exact opposite of the desired operation from a safety standpoint)

Unless you can reverse this (so they are enabled when the enable input is powered)
You may need to add an external relay.
  • DerKlotz
  • DerKlotz
06 Mar 2026 08:35 - 06 Mar 2026 08:36

Wiring Leadshine DM856 Ena+ and ENA- -> Mesa 7i76e

Category: Milling Machines

Hi,
I would like to connect the ena+ and ena- inputs of my Leadshine DM856 to a Mesa 7i76e. If you look at the attachments... which circuit should I use? I would say PNP... but is that correct?
  • DerKlotz
  • DerKlotz
05 Mar 2026 09:52 - 05 Mar 2026 09:58

Verdrahtung Leadshine DM856 Ena+ und - bei Mesa 7i76e

Category: Deutsch

Moin,
ich würde gerne die ena+ und ena- Eingänge meiner Leadshine DM856 bei einer Mesa 7i76e beschalten. Wenn ihr euch die Anhänge anseht... nach welcher Schaltung muss das geschehen? Spontan würde ich nach PNP sagen... nur ist das richtig?
 
  • Lcvette
  • Lcvette's Avatar
04 Mar 2026 15:45
Replied by Lcvette on topic Add Buttons in Probe Basic

Add Buttons in Probe Basic

Category: QtPyVCP

You are trying to control a hal pin, so you will want to use a HalButton from the custom widgets tree. the halpin will have the pinBaseName property you need to set for the button's connection to your licht net. see image below for references:

 



the button color can be style in the stylesheet (see image below) using the following color connections:
.HalButton {
background: qlineargradient(spread:pad, x1:0, y1:0, x2:0, y2:1, stop:0 rgba(226, 64, 64, 255), stop:0.446154 rgba(204, 0, 0, 255), stop:0.764103 rgba(225, 67, 67, 255), stop:1 rgba(249, 142, 142, 255));
}
.HalButton:checked {
background: qlineargradient(spread:pad, x1:0, y1:0, x2:0, y2:1, stop:0 rgba(154, 231, 153, 255), stop:0.0974359 rgba(92, 243, 81, 255), stop:0.446154 rgba(52, 251, 35, 255), stop:1 rgba(154, 231, 153, 255));
}

 



The button probe_basic_postgui.hal file connection code is as follows:
loadrt time
loadrt not

addf time.0 servo-thread
addf not.0 servo-thread

# *** Time items required for Probe Basic to run ***
net prog-running not.0.in <= halui.program.is-idle
net prog-paused halui.program.is-paused => time.0.pause
net cycle-timer time.0.start <= not.0.out
net cycle-seconds qtpyvcp.timerseconds.in <= time.0.seconds
net cycle-minutes qtpyvcp.timerminutes.in <= time.0.minutes
net cycle-hours qtpyvcp.timerhours.in <= time.0.hours

#  ---manual tool change signals---
net tool-change-request     =>  qtpyvcp_manualtoolchange.change
net tool-change-confirmed   <=  qtpyvcp_manualtoolchange.changed
net tool-number             =>  qtpyvcp_manualtoolchange.number

# *** Probe graphic simulation trigger push probe tip ***
net probe-in  =>  qtpyvcp.probe-in.out
net probe-in  <=  qtpyvcp.probe-led.on

# *** Set line below for actual spindle readout from your hal file ***
net spindle-rpm-filtered scale_to_rpm.out  =>  qtpyvcp.spindle-encoder-rpm.in

# *** custom gui hal widget connections ***
net licht  <=  qtpyvcp.licht-button.checked
net licht  =>  hm2_7i76e.0.7i76.0.0.output-02

once done you should have something that works like this gif below, but for your physical light:

 

 
  • DerKlotz
  • DerKlotz
04 Mar 2026 09:03 - 04 Mar 2026 10:52
Replied by DerKlotz on topic Add Buttons in Probe Basic

Add Buttons in Probe Basic

Category: QtPyVCP

After some days of trial and error i don´t know further

I created a button "Licht" in QtPyVCP. This light button should switch on my hm2_7i76e.0.7i76.0.0.output-02 from my Mesa 7i76e. In my probe_basic_postgui.hal and tried to implement this function with no success. See postgui Liine 28 and 29.

In addition it would be nice when the "Licht" button is read when off and turns into green when on. The Power on button in the basic GUI turns into green when on.
 

[code]Debug file information:
....
/home/cnc/linuxcnc/configs/Fräse_Probe/probe_basic_postgui.hal:28: Pin 'qtpyvcp.licht.out' does not exist
Failed to load POSTGUI_HALFILE with error: 1
....


[code] 
[/code][/code]
  • Todd Zuercher
  • Todd Zuercher's Avatar
25 Feb 2026 11:41
Replied by Todd Zuercher on topic 7i76EU+7i85+7i84U

7i76EU+7i85+7i84U

Category: Driver Boards

I have it working now. I had my serial cable wired wrong. (I had the polarity of the RX and TX wires wrong.)
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