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greenRainbow
greenRainbow

26 May 2026 04:57 - 26 May 2026 05:53

Replied by greenRainbow on topic need help with ethercat vs mesa

need help with ethercat vs mesa

Category: General LinuxCNC Questions

I also heard about mesa-ethercat combo but it sounds complex with no real benefit. Something you try just because you can I feel. It would probably make sense for me to see what kind of modules I need for ethercat and look how much thats going to cost.
I need 4 servos, 60 € more than the other servos for all 4, dont know if sto makes sense for me, that would be another ~ 60 € ish.
I already have a pilz safety relais, how do I tie that into the system with sto?

Im using 8 endsensors and possibly multiple tool sensors in the future, so I would go for 16 i/o right now and add more later if needed.

VFD would be controlled by a 10v analog output ~50 €

In turn I could sell my mesa, dont know how much I would get tho. Sadly I cant send it back anymore, at least I think so.

RecividstOfndr

26 May 2026 04:41

Replied by RecividstOfndr on topic utf-8 codec error

utf-8 codec error

Category: Post Processors

OK.. Well bypassing the programming gobbldygook... only thing different on this file was a new tool - a tapered nose ball end. I went back and changed the tool designation in vectric (the program used to make the file) ((Not the tool name) and re tried the file - seems to be working. I think the utf-8 doesnt like the degree symbol maybe?? Being a tapered ball nose is has the degree symbol (small o) in the tool type description in Aspire. Any comments??
Thanks

spumco
spumco

26 May 2026 04:38

Replied by spumco on topic Stepperonline A6 Ethercat - Digital IO [SOLVED]

Stepperonline A6 Ethercat - Digital IO [SOLVED]

Category: EtherCAT

The drive is connected to LCNC - that's how I've been triggering the inputs and attempting to trigger the outputs.

The drive is hooked up to SSRs and I've got LED's driven by the outputs. If I force the outputs via the tuning software the LED's light up. So test hardware is functioning as expected.

Simply renaming the vendor-supplied xml file doesn't work - it's incompatible with lcec_conf.

The xml file I'm using works for the inputs, and the address for the digital outputs is correct - otherwise I wouldn't be seeing the digital outputs line in the tuning software parameters monitor change.

What I need is the bit value, or more likely a combination of bit values, which the drive requires to trigger the outputs. I was hoping someone could interpret the vendor-supplied xml file snippet and explain it to me.

rodw

26 May 2026 03:44

Replied by rodw on topic utf-8 codec error

utf-8 codec error

Category: Post Processors

Your file has some corruption or higher order characters in it.

rodw

26 May 2026 03:41

Replied by rodw on topic Stepperonline A6 Ethercat - Digital IO [SOLVED]

Stepperonline A6 Ethercat - Digital IO [SOLVED]

Category: EtherCAT

Normally, I would connect the drive up in a hal file to linuxcnc with the cia402 composnent at this time and it would display all the pins by the name used in the XML and use halshow to play. Remember the pins need to be changed to general I/O somewhere and are probably active low so a light or relay is between the output and ground (0 volt)

Usually the I/O's have an indicator light beside them so if you enable an output it should change state.

RecividstOfndr

26 May 2026 03:41

utf-8 codec error was created by RecividstOfndr

utf-8 codec error

Category: Post Processors

Hi, have used my CNC all day then set up a new job to cut.... file won't load? Warning at bottom right of the screen says
'utf-8 codec can't decode bytes 0xb0 in position 452: invalid byte.'
Many web pages result in a search for this error... all explained in programmers gobblygook. Can anyone here tell me what - and where - to fix this
Any reason why is has suddenly appeared?
Annoyed
Thanks

rodw

26 May 2026 03:30

Replied by rodw on topic need help with ethercat vs mesa

need help with ethercat vs mesa

Category: General LinuxCNC Questions

timo wrote:
Just a general question. Does a mixed system work? Put the basics on the Mesa card and, if needed, extend with Ethercat?

Makes no sense to me, a bit like being half pregnant. But each half would need their own NIC. There are plenty of Ethercat IO modles and its easy to write the XML they need. The one that is costly with limited options (eg. Beckhoff) is an encoder for spindle.

tommylight

26 May 2026 03:25

Replied by tommylight on topic need help with ethercat vs mesa

need help with ethercat vs mesa

Category: General LinuxCNC Questions

Yes, as far as i can recall.

timo
timo

26 May 2026 03:12 - 26 May 2026 03:13

Replied by timo on topic need help with ethercat vs mesa

need help with ethercat vs mesa

Category: General LinuxCNC Questions

Just a general question. Does a mixed system work? Put the basics on the Mesa card and, if needed, extend with Ethercat?

tommylight

26 May 2026 03:06

Replied by tommylight on topic Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Category: Plasmac

Can you power off the machine and leave only Mesa powered?

spumco
spumco

26 May 2026 02:53

Replied by spumco on topic Stepperonline A6 Ethercat - Digital IO [SOLVED]

Stepperonline A6 Ethercat - Digital IO [SOLVED]

Category: EtherCAT

I found the following in the generic xml file from the Stepperonline site:

Warning: Spoiler!

<DataType>
<Name>DT60FE</Name>
<BitSize>80</BitSize>
<SubItem>
<SubIdx>0</SubIdx>
<Name>SubIndex 000</Name>
<Type>USINT</Type>
<BitSize>8</BitSize>
<BitOffs>0</BitOffs>
<Flags>
<Access>ro</Access>
</Flags>
</SubItem>
<SubItem>
<SubIdx>1</SubIdx>
<Name>Physical outputs</Name>
<Type>UDINT</Type>
<BitSize>32</BitSize>
<BitOffs>16</BitOffs>
<Flags>
<Access>rw</Access>
<PdoMapping>R</PdoMapping>
</Flags>
</SubItem>
<SubItem>
<SubIdx>2</SubIdx>
<Name>Bit Mask</Name>
<Type>UDINT</Type>
<BitSize>32</BitSize>
<BitOffs>48</BitOffs>
<Flags>
<Access>rw</Access>
<PdoMapping>R</PdoMapping>
</Flags>
</SubItem>

I tried changing sub-index 1 to bit 4, and that sent a value of '16' to the drive.
Also changed sub-index 2 to bits 4&5, resulting in two HAL pins. When I turned both of those on the drive reported "48" in the 'Enable Physical Output' field.

No output turned on.

Maybe there's some way to interpret this to figure out what the values are?

RMJ fabrication
RMJ fabrication

26 May 2026 02:19

Replied by RMJ fabrication on topic Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Category: Plasmac

I did not try another LAN cable.
The machine and PC are grounded properly.
I dont have a DVM at the moment but as soon as I get one I will measure those.
I believe this is a software issue because even with qtplasmac not running I get the disconnected error every 45 seconds

tommylight

26 May 2026 01:58

Replied by tommylight on topic Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Category: Plasmac

Did you try another LAN cable?
Is the machine and the PC grounded properly?
Use a DVM and measure between Mesa 24V GND and machine case, in AC mode, while the machine is ON, post result.

tommylight

26 May 2026 01:54

Replied by tommylight on topic Hurco BMC 30 AP

Hurco BMC 30 AP

Category: CNC Machines

Those seem like two separate issues, one remap is not doing OK and the other complaining about gcode, are you running the default "Linux CNC" gcode?

spumco
spumco

26 May 2026 01:53

Replied by spumco on topic Stepperonline A6 Ethercat - Digital IO [SOLVED]

Stepperonline A6 Ethercat - Digital IO [SOLVED]

Category: EtherCAT

<pdoEntry idx="60FD" subIdx="2" bitLen="32" halType="complex">

does control the enable - or at least whatever that line in the object dictionary refers to.

I have no problem sending values to the drive, and can change the value by changing the bits and 'padding' in xml file.

What I don't know is which bit(s) - what value - the drive requires to turn the outputs on. As I mentioned earlier I've mapped bits 1 & 2 to both sub-index 1 and sub-index 2 and turned both 'on.' Tried the same thing for bits 16 & 17.

I guess I could just brute-force it and try ALL the 32 bits for botrh sub-indexes.

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