Closed-Loop Clearance Control With Limited Correction ($Aa_Off_Mode) - Siemens Sinumerik 840D sl Programming Manual

10.4.8

Closed-loop clearance control with limited correction ($AA_OFF_MODE)

Note
This function is not available for SINUMERIK 828D!
Function
The integrating calculation of the clearance values is realized with a limit range check:
$AA_OFF_MODE = 1
NOTICE
The loop gain of the higher-level control loop depends on the setting of the interpolation
cycle.
Remedy: Read-in the MD for IPO clock cycle and take this into account.
Note
Limiting of the velocity of the higher-level interpolator using MD32020 JOG_VELO for a 12
ms Ipo cycle.
Formula for the speed:
Job planning
Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
Motion synchronous actions
10.4 Actions in synchronized actions
597