Sinumerik Alarm 10720 Channel %1 block %3 axis %2 software limit switch %4
Parameters:
%1 = Channel number
%2 = Axis name, spindle number
%3 = Block number, label
%4 = String ( + or – )
Definitions:
For the axis, the programmed path violates the currently valid software limit switch. The alarm is activated when preparing the part program block.
Reactions:
– Alarm display.
– Interface signals are set.
– Local alarm reaction.
– Correction block is reorganized.
Remedy:
Correct the NC program.Please inform the authorized personnel/service department. Check the position of the axis as specified in the part program. Machine data: 36100 POS_LIMIT_MINUS/36120 POS_LIMIT_MINUS2 and 36110 POS_LIMIT_PLUS/36130 POS_LIMIT_PLUS2 must be checked for the software limit switches. Check the axis-specific interface signals: “2nd software limit switch plus/minus” (DB 31 61, DBX 12.2 and 12.3) to see whether the 2nd software limit switch is selected. Check currently active zero offsets via the current frame.
Program Continuation:
Clear alarm with NC START or RESET key and continue the program.
References
- Siemens Diagnostics Guide by Siemens