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Introduction  08/2005 
1.2 Workstation
 
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♥ Siemens AG, 2005. All rights reserved  
1-26  SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition 
 
Single Block
 
Single Block 
Executes the program block by block (single block). 
 
Repos
 
Repos 
Repositions, re-approaches the contour. 
 
Ref Point
 
Ref Point 
Approach reference point. 
 
VAR
 
Inc Var (incremental feed variable) 
Incremental mode with variable increment size. 
 
1
... 
10000
 
 
Inc (incremental feed) 
Incremental mode with predefined increment size of  
1, ..., 10000 increments. 
      A machine data code defines how the increment value is interpreted. 
  
Please refer to the machine manufacturer's instructions. 
 
Cycle Start
 
Cycle Start 
Starts execution of a program. 
 
Cycle Stop
 
Cycle Stop 
Stops execution of a program. 
 
+X
 ... 
Z
 
Axis keys 
Traverse axis in corresponding direction. 
 
Rapid
 
Rapid 
Traverses axis at rapid traverse (fastest speed). 
 
WCS MCS
 
WCS MCS 
Switches between the workpiece coordinate system (WCS = work) 
and machine coordinate system (MCS = machine).