Siemens SINUMERIK 840DE SL - Page 335

Detailed Description
2.1 General functionality
Travel to Fixed Stop (F1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-11
$AA_FXS and $VA_FXS
In SW 6.2 and higher, the meaning of system variable $AA_FXS is redefined for SERUPRO
only and completely replaced by variable $VA_FXS. Variables $AA_FXS and $VA_FXS have
the same values continuously outside the SERUPRO function.
Description NCK Variables
Axis not at fixed stop $AA_FXS = 0 and $VA_FXS = 0
Fixed stop successfully approached $AA_FXS = 1 and $VA_FXS = 1
Approach to fixed stop failed $AA_FXS = 2 and $VA_FXS = 2
Travel to fixed stop selection active $AA_FXS = 3 and $VA_FXS = 3
Fixed stop detected $AA_FXS = 4 and $VA_FXS = 4
Travel to fixed stop deselection active $AA_FXS = 5 and $VA_FXS = 5
Course of values
Course of values of system variables $VA_FXS[ ] with values 1 to 5
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Fig. 2-2 Diagram for FXS with a digital drive (611 digital)