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08/2005  Introduction
1.2 Workstation
 
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♥ Siemens AG, 2005. All rights reserved  
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition  1-27 
 
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Feedrate/Rapid Traverse Override 
Raises or lowers the programmed feedrate or rapid traverse. 
The programmed feedrate or rapid traverse is set to 100% and can be 
adjusted between 0% and 120% (only up to 100% for rapid traverse). 
The new feedrate setting appears in the feedrate status display on the 
screen as an absolute value and as a percentage.  
 
 
Feed Stop
 
Feed Stop 
Stops execution of the running program and shuts down axis drives. 
 
Feed Start
 
Feed Start 
Continues execution of the program in the current block and ramps up 
to the feedrate specified in the program. 
 
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Spindle override  
Increases or decreases the programmed spindle speed.  
The programmed spindle speed is set to 100% and can be controlled 
from 50 to 120%. The new spindle speed setting appears in the 
spindle status display on the screen as an absolute value in percent. 
 
 
Spindle Dec.
 
Spindle Dec. – only OP032S machine control panel 
Decreases the programmed spindle speed.
 
 
Spindle Inc.
 
Spindle Inc. – only OP032S machine control panel 
Increases the programmed spindle speed.
 
 
100%
 
100 % – only OP032S machine control panel 
Restores the programmed spindle speed. 
 
Spindle Stop
 
Spindle Stop 
Stop spindle. 
 
Spindle Start
 
Spindle Start 
Start spindle.