Posts made by theolodian

I think I can see how to achieve what I want to do with a separate RPi, however please speak up if anyone has done this already or if there is a better way to do it in SBC mode or directly with the Duet3 on RRF3.4.

We are running 2 PLC systems from the same gcode output file. One is the Duet, the other is a Windows PC based PLC. I can see in theory how to use a RPi to grab the gcode file, split it into 2 separate parts for each PLC, send one part to a shared folder on the WinPC, and send the Duet parts line by line over HTTP (there isn't much to send actually so not a big deal).

Any suggestions welcome, cheers!

@r4ffers I just set up a separate SD card and put it in the Duet. Easier to set it up on a computer, and copy all of the config files etc. to it. Remember to also configure the Ethernet.

Then there’s just the power jumpers, at least on the 6HC.

@kazolar There is a different stepper power budget on the main board vs. the expansion boards. You can also use a main board as an expansion board.

@dc42 OK, confusing but yes it works.

It is not effective on reboot, I had to put an M42 P6 S0 in the config.g file.

Speaking of which, on 3.4RC2 in SBC mode the M584 error comes up consistently on changing the config.g file. An emergency stop sorts it out though. I have a G4 S5 on boot up to wait for the expansion boards.

@theolodian said in Control a solenoid? Not working:

@dc42 Inverting the output doesn't seem to work?

M950 P6 C"!Out6"

Gives the same behaviour in the OM as without the !

@dc42 in case this is a simple fix. Cheers

@dc42 Inverting the output doesn't seem to work?

M950 P6 C"!Out6"

Gives the same behaviour in the OM as without the !

And it all works when you don't have a copy paste error in your config.g that defines P4 as Out4 and then redefines it as Out6 later.

@stephen6309 Thanks. I gave up on the name thing, but the rest is working for now. Cheers.

Now just need to try the M42 on the system on the machine. It is currently 3.4B7+2 in standalone mode, may have to try RC2.

The M584 error has a mind of its own. Goes away for multiple reboots, then stays for multiple reboots.

Also, trying to change the machine name from Duet3 refuses to work?

M550 P"TestSys" ; set printer name

@dc42 Well, on the spare test system with RC2 in SBC mode the solenoid works as expected, however...

@dc42 Not ground and not the tach. I tested them all with a meter and none of the pins changed state with M42 P4 S1 or S0.

I'll test the rest later today. Still learning about the OM.

I have set up a 24V solenoid on Out4 on a 6HC. The voltage jumper is set to Vin. The solenoid is wired across pins 2 and 4.

In config.g: M950 P4 C"Out4"

M42 P4 S1 doesn't work? I don't get any voltage to the solenoid. I also can't seem to see anything via the object model?

Advice please, thanks.

@chrishamm I was going to say no, but I rebooted everything one more time to be sure - and yes RC2 seems to work in SBC mode!

@dc42 I haven’t had a chance to test this on a newer firmware build yet. I may be able to test some things on the machine tomorrow.

@dc42 Thanks, that’s easy enough to work around for now. Been thinking about putting the message in the file that calls G28 anyway.

Yes, the DWC doesn’t handle lower case letters.

SBC mode doesn’t work at all last I checked.

M208 had some weird behaviour. I’ll bump that thread.

@dc42 Are lower case axis letters supposed to work in SBC mode now? Should I try it again? We have just been using standalone mode.

@zapta said in Easier way to test if homed?:

@theolodian, are you referring to the various scripts here that test for homing? The all seem to use axis indexes rather than axis letters.

No, I am using lower case axis letters and homing always returns errors even though it works.

@dc42 Here they are

config (3).g
homeall (1).g

@theolodian said in Wants to home XYZ, which don't exist?:

@droftarts The G28 warnings are annoying, however the machine is working now so I guess there's no rush on a solution.

@dc42

@owend It has never worked correctly, there are still a variety of issues with using lower case letters for axes. Thanks.