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  • fully_defined
  • fully_defined's Avatar
19 Dec 2024 17:15
Replied by fully_defined on topic Rotary Selector Switches & Resistors

Rotary Selector Switches & Resistors

Category: General LinuxCNC Questions

For example

0  Grounds inputs 0,1 with CR1 and CR2 = 00b = 0d

Means in the schematic i provided, switch position 0 grounds 7I73
inputs for bits 0 and 1 resulting in a binary code of 00 (00b) which is decimal 0 (0d)

The 7I73 input best suited to this use have pullup resistors
which means the will read high when unconnected. This is important
as it determines the switch connections.

And please please do not connect 24V anywhere near the 7I73...

 

Thank you! I learn something new in every single line of this thread. In case it's not already obvious, I know what I want the end product (the control panel) to look like, but I know next to nothing about how to get there in LinuxCNC. Just wait until I start talking UI!

Roger that about the 24v - the 7i73 outputs 5v. I was mixing up two different concepts when I said 24v. I will correct that in the graphic, too, but more importantly I am going to use purpose-built binary switches, instead of building a binary switch from scratch.
  • robocidalmaniac
  • robocidalmaniac's Avatar
19 Dec 2024 17:08
Replied by robocidalmaniac on topic How to Control a PWM Gripper

How to Control a PWM Gripper

Category: G&M Codes

Has anyone been able to use M codes to operate a Robotic Arm gripper yet? I have a post for a Scorbot-ER-3 and Linuxcnc 2.9.1 which uses a gui and mouse to open and close the gripper, but need to make a M code for this function. Please help
  • Tntmold
  • Tntmold
19 Dec 2024 17:07

Ethercat installation from repositories - how to step by step

Category: EtherCAT

I wiped the disk and reloaded LinuxCNC 2.9.2 but still get invalid signatures

hil@SodickA:~$ sudo apt update
[sudo] password for phil:
Hit:1 deb.debian.org/debian bookworm InRelease
Hit:2 security.debian.org/debian-security bookworm-security InRelease
Hit:3 deb.debian.org/debian bookworm-updates InRelease
Hit:5 www.linuxcnc.org bookworm InRelease
Get:6 download.opensuse.org/repositories/science:/EtherLab/Debian_12 ./ InRelease [1,575 B]
Err:6 download.opensuse.org/repositories/science:/EtherLab/Debian_12 ./ InRelease
The following signatures were invalid: EXPKEYSIG A94819A7CB97A204 science:EtherLab OBS Project <science:EtherLab@build.opensuse.org>
Hit:4 repository.qtpyvcp.com/apt develop InRelease
Fetched 1,575 B in 2s (757 B/s)
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
196 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: download.opensuse.org/repositories/science:/EtherLab/Debian_12 ./ InRelease: The following signatures were invalid: EXPKEYSIG A94819A7CB97A204 science:EtherLab OBS Project
W: Failed to fetch download.opensuse.org/repositories/scien...ebian_12/./InRelease The following signatures were invalid: EXPKEYSIG A94819A7CB97A204 science:EtherLab OBS Project
W: Some index files failed to download. They have been ignored, or old ones used instead.
  • tommylight
  • tommylight's Avatar
19 Dec 2024 16:51
Replied by tommylight on topic Wire EDM Machine Retrofit?

Wire EDM Machine Retrofit?

Category: General LinuxCNC Questions

Try asking here as he will get a notification of reply on topic he started
forum.linuxcnc.org/10-advanced-configura...e-feed-range-problem
Or write a comment on youtube, he has a channel with the same name there.
Not both at the same time, use one, wait a day or two then use the other.
  • Tntmold
  • Tntmold
19 Dec 2024 16:35
Replied by Tntmold on topic Wire EDM Machine Retrofit?

Wire EDM Machine Retrofit?

Category: General LinuxCNC Questions

Is BaxEDM implementation of LinuxCNC publicly available or do you have to buy his spark generator to get it?
  • hans48
  • hans48
19 Dec 2024 16:09
Replied by hans48 on topic Ein Neuling sucht Hilfe

Ein Neuling sucht Hilfe

Category: Deutsch

Haallo Leute
Hatte mal wieder Zeit weiter zu machen, wollte den Not - Aus Schalter aktivieren. Habe das von einen User vorgeschlagene in der HAL reingeschrieben es kommt die eine Fehlermeldung (Variabel) kann einer das Kontrollieren. (habe die alten Befehle mit Raute (Kanalgitter) vorgesetzt somit glaube ich werden sie igroniert.
Gruß Hans
  • bongicha
  • bongicha
19 Dec 2024 15:55
Replied by bongicha on topic Vertical Press Brake interface and comp

Vertical Press Brake interface and comp

Category: Show Your Stuff

Hello.I need your counsel on this.Can we talk privately?
  • PCW
  • PCW's Avatar
19 Dec 2024 15:52 - 19 Dec 2024 19:15
Replied by PCW on topic Rotary Selector Switches & Resistors

Rotary Selector Switches & Resistors

Category: General LinuxCNC Questions

For example

0  Grounds inputs 0,1 with CR1 and CR2 = 00b = 0d

Means in the schematic i provided, switch position 0 grounds 7I73
inputs for bits 0 and 1 resulting in a binary code of 00 (00b) which is decimal 0 (0d)

The 7I73 input best suited to this use have pullup resistors
which means they will read high when unconnected. This is important
as it determines the switch connections.

And please please do not connect 24V anywhere near the 7I73...



 
  • Sockheaven
  • Sockheaven's Avatar
19 Dec 2024 15:11

Ethercat installation from repositories - how to step by step

Category: EtherCAT

It appears something has broken since last friday. I also am unable to install now, getting the same missing files you are seeing.

My linux ignorance really shows in these scenarios, I also need very clear step by step instructions. I'm currently blocked again and relying on an older 2.8.2 iso that was packaged up by Grotius on the forum:
github.com/grotius-cnc/LINUX_RTOS/releas...age-amd64.hybrid.iso

That iso has a package that you just need to double click on the desktop that installs all the ethercat stuff and you just need to edit the ethercat.conf file and youre good to go.
  • tommylight
  • tommylight's Avatar
19 Dec 2024 15:06
Replied by tommylight on topic Should I update

Should I update

Category: General LinuxCNC Questions

No.
If everything works, and the PC is not connected to internet, there is no need to upgrade at all.
  • vibram
  • vibram
19 Dec 2024 14:56
Replied by vibram on topic Another joint 0 on limit switch error

Another joint 0 on limit switch error

Category: Basic Configuration



as you can see here, it seems very stable but i always get this error. Phisically, my axis is not touching my limit switches, i'm in between
  • meister
  • meister
19 Dec 2024 14:54

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

little warning !

the debouncer has been replaced in the dev branch,
if you are using it and have specified certain delay values, then check this for the next update.

now, the delay is in milliseconds, which makes the whole thing easier to configure.

the default is set to 2.5ms
  • CaspianCmonster
  • CaspianCmonster
19 Dec 2024 14:40
Should I update was created by CaspianCmonster

Should I update

Category: General LinuxCNC Questions

Hi all I am back in my workshop after the better part of 4 years (a long story) and I want to get my router going again.
I have a working setup running Debian 10 with Mesa cards.

So should I do a full reinstall, just load the updates etc?

thanks 
Luke 
  • vibram
  • vibram
19 Dec 2024 14:24
Replied by vibram on topic Another joint 0 on limit switch error

Another joint 0 on limit switch error

Category: Basic Configuration

Hi Tommy,

This is what I said, in HAL show (Show hal configuration), my light are perfectly stable and I see any color blinking at all...
  • tommylight
  • tommylight's Avatar
19 Dec 2024 14:12
Replied by tommylight on topic Another joint 0 on limit switch error

Another joint 0 on limit switch error

Category: Basic Configuration

The homing procedure goes well. But once it's homed, the offset of 10mm is applied, then when the lathe is idle, I get this joint 0 on limit switch error.

 

That would imply it is from interference/EMI.
Use the included "show hal configuration" from the "machine" menu to watch the input pins, usually you can see them switching on/off when idle and with interference present.
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