Siemens SINUMERIK 840D sl Function Manual page 307

System variable
$AA_SYNC [FAx]
Signal reaction
Synchronous operation signals themselves do not stop the involved axes, but can release
them via synchronized action or NC/PLC interface signals (refer to Chapter "Extended
Shutdown/Retraction (ESR)").
Programming
Threshold value of position synchronous operation "Coarse"
Syntax:
Designation:
Functionality:
Value:
Threshold value of position synchronous operation "Fine"
Syntax:
Designation:
Functionality:
Value:
Special Functions
Function Manual, 09/2011, 6FC5397-2BP40-2BA0
Meaning
State of the coupling
Value State
0 Not synchronized
1 "Coarse" synchronous operation reached
2 "Fine" synchronous operation reached
CPSYNCOP[FAx]= <value>
Coupling Synchronous Difference Coarse Position
Defines the threshold value for the "Coarse' position synchronous
operation.
Type: REAL
CPSYNFIP[FAx]= <value>
Coupling Synchronous Difference Fine Position
Defines the threshold value for the "Fine" position synchronous
operation.
Type: REAL
M3: Coupled axes
5.5 Generic coupling
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