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  • PCW
  • PCW's Avatar
Today 22:31
Replied by PCW on topic HURCO KMB-1 Control Update

HURCO KMB-1 Control Update

Category: Milling Machines

Ok Peter, so that is resetting my original understanding. But I have been unable to get the index pulse, which is clearly present in halscope to trigger the position reset.

The way index works on LinuxCNC with quadrature encoders is that when LinuxCNC (or some hal component)
wants a encoder reset at the next index occurrence, it sets the index-enable pin. This arms the encoder counter
hardware so at the next index, two things happen, the encoder position is reset to 0, and the index enable pin
is set false, so LinuxCNC or the controlling hal component knows that the index has been detected (and position zeroed)
  • landoneilers
  • landoneilers
Today 22:12
Replied by landoneilers on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

I will install LinuxCNC onto a random (not-super-ancient) HDD.

I hope it goes well.
  • landoneilers
  • landoneilers
Today 22:11
Replied by landoneilers on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

Weird.

FreeBSD seems faster.

Why would they switch to Debian?
  • tommylight
  • tommylight's Avatar
Today 21:58
Replied by tommylight on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

Why TrueNAS over FreeBSD?

(I know TrueNAS is based on FreeBSD, but still)

It's not, new version is Debian as far as i can gather from the boot time info.
  • tommylight
  • tommylight's Avatar
Today 21:57
Replied by tommylight on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

I have never seen a motherboard with more than 4 SATA ports.

I've always had with more than 4 as they also had a separate SATA controller with RAID, still have 2 with 6 SATA ports, and all Enterpise towers also have 6 or 8 ports (HP Z420 and Z600)
  • David-Diy
  • David-Diy's Avatar
Today 21:54
Replied by David-Diy on topic Hydraulic press brake control

Hydraulic press brake control

Category: CNC Machines

Yes I will, I did take some photos and know what's the system PLC/System they use, I'll have to come back I hope later today to upload some photos about it.
  • landoneilers
  • landoneilers
Today 21:35
Replied by landoneilers on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

Does HDD cache size have any impact?
  • landoneilers
  • landoneilers
  • landoneilers
  • landoneilers
Today 21:28

Why are the forum and homepage on separate servers (from 2 different companies)?

Category: Forum Questions

Some of the assets are common to both sites (like the LinuxCNC logo).

And I don't understand the purpose of the DigitalOcean server at all, though I'm sure there is one.

Just curious about the rationale behind the setup, I guess.
  • rodw
  • rodw's Avatar
Today 21:26
Replied by rodw on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

HDD read/write has no impact on latency.which measures hardware performance, network latency is important for mesa/ethercat systems.
The buffering of gcode will be sufficient to cover HDD speed.
Using a SSD is  a great boost in performance and I usually install one when refurbing a machine. Recently I didn't on a 8 core i7 & I really noticed how much longer Debian took to install. 

Use the one you say is ideal
  • landoneilers
  • landoneilers
Today 21:24
Replied by landoneilers on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

Why TrueNAS over FreeBSD?

(I know TrueNAS is based on FreeBSD, but still)
  • landoneilers
  • landoneilers
Today 21:21
Replied by landoneilers on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

I have never seen a motherboard with more than 4 SATA ports.

I don't really need NAS, though that is a cool idea, I suppose.
  • tar_san
  • tar_san
Today 21:20 - Today 21:22

Ver 2.9.4 iso clean install Trouble when disabling EOE

Category: EtherCAT

This is a snapshot of latency of that PC when I tested servomotors.

I'll try exact same former procedures ( I have written something important about disabling eoe, and recalling everything as much as possible ) with former PC today.

Thank you so much for your every skillful reply.
 
  • snowgoer540
  • snowgoer540's Avatar
Today 21:20
Replied by snowgoer540 on topic Qtplasmac Run From Line

Qtplasmac Run From Line

Category: Plasmac

I tried to run through this and see what I could see, with your partial cut file being a mess, it's hard for me to guess at where you are trying to start and what is going on. Can you post the actual cut file?

Also, what version of QtPlasmaC are you running? need the entire number in the window header.
  • tommylight
  • tommylight's Avatar
Today 21:19
Replied by tommylight on topic HDD vs. SSD

HDD vs. SSD

Category: General LinuxCNC Questions

500GB WD Blue HDD (16MB cache) (The ideal choice, I have like 6 extra ones)

Get an old mainboard/CPU/MEM and plug all 6 to it, see bellow

256 SanDisk SSD (I only have 4).

Use for LinuxCNC machines, much better latency/access times compared to mechanical drives, and much faster.

500GB WD Blue HDD (32MB cache) (Less plentiful than the 16MB caache drives, but I don't really need this drive for anything).

Use this one to install TrueNAS and plug it into the same old PC mentioned above with the other 6 drives, you get a nice 2.5TB NAS with fault tolerance for one failed drive.
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