Beckhoff TwinCAT NC System Manager

rahulnshinde

Member
Join Date
Nov 2009
Location
India
Posts
3
Hi,
Can somebody help me with the details of the twincat NC system manager.

What is the difference between NC task SAF, and NC task SVB?.
What is the idea of having separate task execution times for these two?
:confused:
please refer to the image file attached!

regards,
rahul.

12.JPG
 
Here's the link into the Online Beckhoff Information System that explains this in detail...
http://infosys.beckhoff.com/content/1033/tcncgeneral/html/tcncaxiscomponentsgenerator.htm

In general, the slower task, the SVB task is a setpoint generator that creates and updates a table of positions for the move. The SVB task runs the cyclic IO with the drive, and transmits only one position setpoint per IO cycle on the fieldbus. There is no need to update the entire position table after every IO cycle, that is why there are two separate tasks. The default parameters are appropriate for most applications.
 
Last edited:
German abbreviations. I don't speak / read German, so I can't say these are the best translations but roughly...
SatzVorBereitungsgenerator = Set Point Generator
SatzAusFührungsgenerator = Output Set Point
Perhaps some of our German readers could help?
 

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