Deselection - Siemens SINUMERIK 840D Function Manual

F1: Travel to fixed stop
3.2 Detailed description
Actions in the case of a fault or breakage
The following actions are executed when a fault occurs or for a breakage:
● The NC/PLC interface signal is reset: DB31, ... DBX62.4 = 0 (activate travel to fixed stop)
● Depending on the setting in the machine data, the system waits for acknowledgment:
– MD37060 $MA_FIXED_STOP_ACKN_MASK
– DB31, ... DBX3.1 == 0 (enable travel to fixed stop)
● Withdrawing torque limits
● Executing a block change
Overview
Figure 3-3
3.2.2.4

Deselection

The "travel to fixed stop" function is deselected using the command FXS[<axis>] = 0 in a
block of an NC program.
98
Fixed stop is not reached
Axes and spindles
Function Manual, 06/2019, A5E47437747B AA