Sinumerik Alarm 4170 Invalid M function number for channel synchronisation assigned
Definitions:
An M number between 0 and 99 has been specified In machine data $MN_EXTERN_CHAN_SYNC_M_NR_MIN or $MN_EXTERN_CHAN_SYNC_M_NR_MAX for the configuration of the M number range for channel synchronization in ISO2/3 mode or the machine data $MN_EXTERN_CHAN_SYNC_M_NR_MAX is smaller than $MN_EXTERN_CHAN_SYNC_M_NR_MIN.
Reactions:
– Alarm display.
– Interface signals are set.
– Mode group not ready.
– Channel not ready.
– NC Start disable in this channel.
– NC Stop on alarm.
Remedy:
Check machine data $MN_EXTERN_CHAN_SYNC_M_NR_MIN and $MN_EXTERN_CHAN_SYNC_M_NR_MAX.
Program Continuation:
Switch control OFF – ON.
References
- Siemens Diagnostics Guide by Siemens