Hello,
I just installed my VM8201 and everything seems to work but when selecting the G-code file, nothing happens… I can’t find a user manual on the internet to read about the unit, what are the functions, how do I have to save my files, etc…
Kind regards,
Kenny
Hi KLucky13,
FR means feedrate, it’s the same setting also available in Repetier Hosts Manual Control.
Cheers,
kuraasu
[quote=“kuraasu”]Hi KLucky13,
FR means feedrate, it’s the same setting also available in Repetier Hosts Manual Control.
Cheers,
kuraasu[/quote]
Kuraasu, thanks again for your respons, you are really helping me out here on the forum 
Since these are my first days of printing I have allot of questions
This feed-rate, is this something you want to vary allot between different prints/objects?
Thank you,
Kenny
Hi Kenny,
the answer is a yes and no. The speed (or feedrate) is an important parameter for printing, and different objects need different parameters. Speed control is implemented a) in Slic3r and b) via the feedrate setting, and you can of course use both.
Slic3r has detailed settings for the different path types within the print (perimeters, infill etc.). Feedrate on the other side can only decrease (or increase!) all speeds at once, by the same percentage. However, Slic3r is used when preparing the print, afterwards all its set speeds are fixed in the G-code. Feedrate is available during the print, allowing for on-the-fly changes to the speed setting.
Cheers,
kuraasu
Does anyone know if the elapsed Time given on the display can be changed to time remaining?
Something else weird, after slicing an object you can read the printtime underneath the G-code. But the print always takes longer than that. Why is this? This combined with the display only showing the elapsed time, you have no idea how long the print is still going to take.
Hi Kenny,
that’s not weird at all. Repetier Host calculates the time necessary for printing based on all the steps described in the G-code and their feedrate. However, there are (at least) two sources for delays: there may be some time spent on communication and data processing both in Repetier and in the firmware, Marlin, plus the acceleration is not evaluated. To compensate for this, you’ll find a field in Repetier’s Printer Settings “Add to comp. Printing Time … [%]”. This percentage is added to the displayed time, and by setting a value that matches the acceleration parameters etc. in Slic3r and Marlin you can get a close estimate for the actual printing time.
Marlin controls the display, but this timing information is not available there since only the pure G-code is transfered and executed line by line.
Cheers,
kuraasu
[quote=“kuraasu”]Hi Kenny,
that’s not weird at all. Repetier Host calculates the time necessary for printing based on all the steps described in the G-code and their feedrate. However, there are (at least) two sources for delays: there may be some time spent on communication and data processing both in Repetier and in the firmware, Marlin, plus the acceleration is not evaluated. To compensate for this, you’ll find a field in Repetier’s Printer Settings “Add to comp. Printing Time … [%]”. This percentage is added to the displayed time, and by setting a value that matches the acceleration parameters etc. in Slic3r and Marlin you can get a close estimate for the actual printing time.
Marlin controls the display, but this timing information is not available there since only the pure G-code is transfered and executed line by line.
Cheers,
kuraasu[/quote]
Is it possible then that these delays are bigger when printing with the standalone unit then directly with the PC? (communication and processing might be faster on a PC?)