Siemens sinumerik 840D sl Operating Manual page 472

Multi-channel support
9.3 Multi-channel editor
Program header with multi-channel data
In the program header, set the following parameters, which are effective for the complete
program.
In the parameter screen, you have the following options to save cross-program data:
● You can enter values in a common data set for the main and counterspindle
● You can enter values for the main and counter spindle
● You can enter values for the counterspindles
Parameter
Multi-channel
data
Data for
Retraction
XRA
XRI
ZRA
ZRI
Tailstock
XRR
472
Description
Yes
Name of the job list in which the channel data are saved.
Main+counterspindle

All values for the main and counterspindle are saved in one data set
Main spindle

Data set for the main spindle
Counterspindle

Data set for the counterspindle
Note:
If the machine does not have a counterspindle, then the entry field "Data for" is not
applicable.
The retraction area indicates the area outside of which collision-free traversing of
the axes must be possible.
simple

Extended

all

Retraction plane X external ∅ (abs) or
retraction plane X referred to XA (inc)
- not for "basic" retraction
retraction plane X internal ∅ (abs) or
retraction plane X referred to XI (inc) - not for "pipe" blank
Retraction plane Z front (abs) or
retraction plane Z referred to ZA (inc)
Retraction plane Z rear – only for retraction "all"
Yes

No

Retraction plane tailstock – only "Yes" for tailstock
For "Main+counterspindle", the tailstock only refers to the main spindle (tailstock
on the counterspindle side)
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
Unit
Turning