Siemens SINUMERIK 840D sl Function Manual page 82

A3: Axis Monitoring, Protection Zones
3.2 Axis monitoring functions
Effectiveness
The following-error monitoring only operates with active position control and the following axis
types:
● Linear axes with and without feedforward control
● Rotary axes with and without feedforward control
● Position-controlled spindles
Fault
If the configured tolerance limit is exceeded, the following alarm appears:
25050 "Axis <Axis name> Contour monitoring"
The affected axis/spindle is stopped via the configured braking ramp in follow-up mode:
MD36610 $MA_AX_EMERGENCY_STOP_TIME
(maximum time for braking ramp when an error occurs)
82
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions