Siemens sinumerik 840D sl Function Manual page 519

Detailed description
2.2 Clearance control
2.2.3 Control loop structure
The figures below provide an overview of how the clearance control function is embedded in
the control loop structure of the NC position controller and the internal structure of the
function.
Figure 2-4 Control structure, position controller with clearance control (principle)
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Special functions: Clearance Control (TE1)
Function Manual, 11/2006, 6FC5397-2BP10-2BA0