Multiple O103 repeat [n] in a single file

I am using the O103 repeat[n] function to do some repetitive incremental moves. This works fine until I try to use a second O103 in the program. Then i get an error saying “error duplicate o-word o103.”

What am I doing wrong?

While you can call an o sub multiple times (same o number), but an o repeat command can only be used once in a g-code program. To do multiple repeat commands you will have to use a unique number for each repeat call that you use in a g-code program.

To do what I think you want to do I would suggest putting your repeat within an o sub, then call the o sub repeatedly throughout your g-code program.

Your suggestion to place the repeat into an o code would work for this particular program. But suppose I wanted to write a program with multiple repeats, each of which is different. How would I approach this? Will either of the other two looping commands (while/endwhile, do/while)let me create multiple loops in one program?

You can have multiple repeats in a program, but they each have to use a different o-number. Same with other o-commands.

Well!

Thank you for pointing that out. I'll try that.

If I may ask, what then is the purpose of the o-number?

For example here is an array repeat that will make rows and colums of some code using 2 repeat commands (one nested inside the other).

thadwald wrote: Well!

Thank you for pointing that out. I'll try that.

If I may ask, what then is the purpose of the o-number?

I believe the main purpose of the o-number is to tie the repeat to the endrepeat so that you can use more than one repeat command.

thadwald wrote: If I may ask, what then is the purpose of the o-number?

G-code is a script, originally intended to be read line-by-line. Because of this the interpreter makes some assumptions, and is not particularly aware of syntax.
This means that pairing-up sub/endsub, if/then/else wasn't ever considered. So when the O-word branching add-ins were developed it was decided to take the easy way out and give the job of pairing up the tags to the programmer instead.

So, when the system finds an O111 ENDREPEAT all that interpreter has to do is search the text file for O111 REPEAT and set it's line-pointer back to there.