BECKHOFF AX5805 Installation - Manual (Page 69)

Product description
AX5805 67
3.6.5.10 Description of the SAR safety function
Figure 33: Description of the Safe Acceleration Range function (SAR)
When SAR (Safe Acceleration Range) is activated, monitoring of the acceleration window begins. The
acceleration must remain within the limits a_UL_SAR (UL - Upper Limit) and a_LL_SAR (LL - lower limit). If
one of the limits is exceeded, the Error Reaction function SS1 or STO (as defined by ErrorReaction_SAR) is
executed.
SAR
1
t
Acceleration
a_pos_max
Torque
on Motor
On
SAR State
1
t
t
t
a_LL_SAR
a_UL_SAR
a_neg_max