tac12
(Adrian Carpenter)
March 26, 2023, 2:05pm
1
Hi. I followed the instructions to fit limit switches detailed at Go Home! - Installing Limit Switches On A Diode Laser - YouTube . I’m happy to report that everything worked perfectly and I completed a couple of projects. Having gotten annoyed at having to remember to run the macro to set limits I followed exactly the steps in Installing Clean GRBL Firmware on Diode Lasers - YouTube . After this my laser homes and moves for the job but the laser doesn’t turn on.
I tried to go back to stock firmware using the Sculpfun instructions. Sadly my ancient pc (Mac household) refuses to talk to com6.
As an aside I’ve just bought an S30 to complement my S9 (which has been upgraded to 400x900). It’s not the cables I’ve checked. I connect up the S30 controller and the laser fires up just fine.
Any suggestions??
MrMag
(Tim Janzer)
March 26, 2023, 3:11pm
2
I would try to reinstall the firmware. There could have been a problem with the transfer.
tac12
(Adrian Carpenter)
March 27, 2023, 7:28pm
3
Just tried that …. No luck. I’ve ordered a replacement controller board.
JohnJohn
(John Johnson)
March 28, 2023, 3:07pm
4
In the Console window in LightBurn, request these two reports by typing the following into the console window.
$i
$$
pressing enter after each one.
The first one $i (Dollar I), will usually give you the grbl commit date and Option Codes.
The Second one $$ will give you the Machine settings.
Please Copy and paste both of these into a report here.
It’s easy to mismatch the $30 vs. S-Value max and cause the symptom you’re describing.
misken
(Melvin)
March 28, 2023, 6:51pm
5
I strongly advise to select the according firmware from this page: Firmware Update & Settings - Diode Laser Wiki These versions are tested and known to work with all Sculpfun laser types. The page also includes a table of standard settings that should be set. Just in case.
tac12
(Adrian Carpenter)
March 28, 2023, 9:44pm
6
$i
[VER:1.1h.20190825:]
[OPT:V,15,128]
Target buffer size found
ok
$$
$0=10
$1=25
$2=0
$3=0
$4=0
$5=0
$6=0
$10=0
$11=0.010
$12=0.002
$13=0
$20=0
$21=0
$22=1
$23=3
$24=100.000
$25=8000.000
$26=250
$27=1.000
$30=1000
$31=0
$32=1
$100=80.000
$101=80.000
$102=250.000
$110=6000.000
$111=6000.000
$112=1000.000
$120=1000.000
$121=1000.000
$122=10.000
$130=410.000
$131=400.000
$132=200.000
ok
checked S-max $30 both at 1000
tac12
(Adrian Carpenter)
March 28, 2023, 9:48pm
7
I followed the instructions using Arduino IDE and the Lightburn posted GRBL. Mac household here, ancient windoze 7 netbook won’t talk to COMXX.
JohnJohn
(John Johnson)
March 28, 2023, 10:46pm
8
The windows device may need the CH340 driver.
Do you have a link to the firmware?
It’s possible that the baud rate is set low to improve communications.
tac12
(Adrian Carpenter)
March 29, 2023, 3:39pm
9
Linux to the rescue! I managed to flash Sculpfun’s provided hex file using a Raspberry pi (instructions here: Flashing Arduino hex file in Linux with Avrdude – Skjoldtech ).
Sadly it hasn’t helped
I must have fried something some how.
misken
(Melvin)
March 29, 2023, 5:15pm
10
Did you try flashing my version? Afterward, send “$RST=*” via the console and all settings are reset to optimized defaults that definitely work with an S9.
tac12
(Adrian Carpenter)
March 29, 2023, 5:35pm
11
Now I have a way to flash I’ll give it a go.
system
(system)
Closed
April 28, 2023, 5:35pm
12
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