Sinumerik Alarm 20077 Channel %1 axis %2 programmed position is behind software limit switch %3
Parameters:
%1 = Channel number
%2 = Axis number %3 = “+” or “-”
Definitions:
The axis is traversed as an oscillating axis and the target position (reversal position or end position) is located behind the corresponding software limit switch. The axis is not traversed.
Reactions:
– Alarm display.
– Interface signals are set.
– Local alarm reaction.
– NC Start disable in this channel.
– NC Stop on alarm.
– If the axis is a single axis when this alarm is triggered, the alarm is only effective for this axis (not effective for e.g. the channel or mode group)
Remedy:
Specify smaller target position. Modify MD for SW limit switch. Possibly activate another SW limit switch.
Program Continuation:
Clear alarm with the RESET key. Restart part program
References
- Siemens Diagnostics Guide by Siemens