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  • DerKlotz
  • DerKlotz
11 Mar 2026 09:41

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

Category: Milling Machines

Please see attached file

Can i just use one Mesa output for all three driver or do i have to use three outputs? One for each driver. In the LinuxCNC configuration i can set enable for x, y and z axis.
  • tommylight
  • tommylight's Avatar
11 Mar 2026 01:12
Replied by tommylight on topic configuring 7i76eu to ip address 10.10.10.10

configuring 7i76eu to ip address 10.10.10.10

Category: Driver Boards


And the PC MUST be set to 10.10.10.nnn where nnn is anything from 1 to 254 but NOT 10.
So yes, the PC set at 10.10.10.11 will work.
  • georgio
  • georgio
11 Mar 2026 00:58

configuring 7i76eu to ip address 10.10.10.10

Category: Driver Boards

Hi all,
I am a newbie to cnc and to linux so please be patient with me. I have seen some posts where using the 7i76eu board can be set to using ip address of 10.10.10.10 I see some guys say changing w2 and w3 manual says w13 and w14 default is 192.168.1.121 with both down. and both up 192.168.1.121+ use fallback configuration. Some guys say w3 and w3 off to set ip to 10.10.10.10. I am confused many say i should be using 10.10.10.10 and hve pc to 10.10.10.11. Does the 7i76eu magically change the ip with w13 and w14 in the default down and the w2 and w3 in down position, or do you have to do something else in progaming also.
This my seem stupid to some of you more experienced users but I am confused!
Thanks for any help
  • DerKlotz
  • DerKlotz
09 Mar 2026 12:48 - 17 Mar 2026 10:11

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

Meine Verdrahtung nun im Anhang
  • timo
  • timo
09 Mar 2026 12:24 - 09 Mar 2026 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
09 Mar 2026 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?
 
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