Meaning
RTLIOF: G command for switching off the linear interpolation
⇒ In the rapid traversing mode (G0), the non-linear interpolation is active. All of the
path axes reach their end points independently of one another.
Effective: Modal
RTLION: G command for switching on the linear interpolation
⇒ In the rapid traversing mode (G0), the linear interpolation is active. All of the path
axes reach their end points simultaneously.
Effective: Modal
Note
Preconditions for RTLIOF
To ensure, with RTLIOF non-linear interpolation, the following conditions must be fulfilled:
● No transformation (TRAORI, TRANSMIT, etc.) active.
● G60 active (stop at the block end).
● No compressor active (COMPOF).
● No tool radius compensation active (G40).
● No contour handwheel selected.
● No nibbling active.
If one of these conditions is not met, linear interpolation is as with RTLION.
Example
Program code Comment
; Linear interpolation is the default:
; MD20730 $MC_GO_LINEAR_MODE == TRUE
...
N30 RTLIOF ; Switch off linear interpolation.
N40 G0 X0 Y10 ; G0 blocks are traversed using non-linear inter-
polation.
N50 G41 X20 Y20 ; TRC active ⇒ G0 blocks are traversed using lin-
ear interpolation.
N60 G40 X30 Y30 ; TRC not active ⇒ G0 blocks are traversed using
non-linear interpolation.
N70 RTLION ; Switch on linear interpolation.
...
Further information
Reading the current interpolation behavior
The current interpolation behavior can be read via the system variables $AA_G0MODE.
Fundamentals
2.9 Motion commands
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 181
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