Multi-channel machining (only 840D sl) 
  9.2 Multi-channel support (only 840D sl) 
Turning 
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1 
551 
Parameter  Description  Unit 
XT  Tool change point X ∅  mm 
ZT  Tool change point Z  mm 
S  Spindle speed  rev/min 
Spindle chuck data 
•  Yes 
You enter spindle chuck data in the program. 
•  No 
Spindle chuck data are transferred from the setting data. 
Note: 
Please observe the machine manufacturer’s instructions. 
 
Spindle chuck data 
•  Only chuck 
You enter spindle chuck data in the program. 
•  Complete 
You enter tailstock data in the program. 
Note: 
Please observe the machine manufacturer’s instructions. 
 
Data for  
 
•  Main spindle 
•  Counterspindle 
•  Empty 
If several spindles have been set-up, the program can operate at both 
spindles. 
 
Retraction    The retraction area indicates the area outside of which collision-free traversing 
of the axes must be possible. 
•  simple 
•  extended – not for a "pipe" blank 
•  all 
 
XRA   Retraction plane X external ∅ (abs) or  
retraction plane X referred to XA (inc) 
mm 
XRI    - for "basic" retraction, only for a "pipe" blank 
retraction plane X internal ∅ (abs) or  
retraction plane X referred to XI (inc) 
mm 
ZRA   Retraction plane Z front (abs) or  
retraction plane Z referred to ZA (inc) 
mm 
ZRI   Retraction plane Z rear – only for retraction "all"  mm 
Tailstock   
•  Yes 
•  No 
 
XRR  Retraction plane tailstock – only "Yes" for tailstock  mm