Sinumerik Alarm 27094 Write access to system variable %1 only allowed from NCK-SPL
Parameters:
%1 = Name of safety system variable concerned
Definitions:
Write access to a safety system variable is only allowed from the part program / _N_CST_DIR/_N_SAFE_SPF. If this error occurs, an instruction from another part program was detected.
Reactions:
– Alarm display.
Remedy:
Check the part programs you are using for write accesses to safety system variables.
Program Continuation:
Clear alarm with the RESET key. Restart part program
References
- Siemens Diagnostics Guide by Siemens