![Beckhoff AX8911 Documentation Download Page 48](http://html1.mh-extra.com/html/beckhoff/ax8911/ax8911_documentation_2719317048.webp)
Safe Motion functions
AX8911
48
Version: 1.2.0
The safe input signal
PositionValid
of the feedback is fed to an input of the FB ESTOP. In the event of an
invalid position, this leads to the activation of STO and the brake and also prevents the axis from being
enabled as long as the position value is invalid. This function is only available if the parameter
Safe Motion
Enabled
is set for the corresponding axis.
The Error Acknowledge signal for error acknowledgement comes in this sample via the AX8000 control
word. The ESTOPout signal is connected to the 4 STO switch-off channels and both brake switch-off
channels.
For reasons of clarity, the list of variables below does not contain the standard signal assignments to the
AX8000.
Fig. 20: AX8911 Simple project