BECKHOFF AX5805 Installation - Manual (Page 42)

Product description
40 AX5805
3.6.5 Parameterization of the integrated safety functions of the AX5805
3.6.5.1 Description of the Error Acknowledge function
Figure 24: Description of the Error Acknowledge function
Errors reported by the TwinSAFE Drive option card can be reset via the rising edge of the Error
Acknowledge signal. The error bit remains set if the reported error continues or occurs again immediately.
3.6.5.2 Description of the STO safety function
Figure 25: Description of the Safe Torque Off function (STO)
Error Ack
1
t
Error
1
t
STO
1
t
Speed
t
Torque
on Motor
On
STO State
1
t
t
1
t
Restart
Acknowledge
Request
Restart
Acknowledge
1
t