Okuma Alarm-B 2153 MCS CON APA deviation


Okuma Alarm-B 2153 MCS CON APA deviation
Difference between CON and APA values has exceeded the allowable limit. The CON-APC deviation is the absolute value of difference between [calculated value written in MCS] and [actual position read from MCS].
The NC control software monitors this deviation.
The MCS normally monitors DIFF value.
This alarm appears if the MCS causes a fatal error and cannot monitor the DIFF value.

Object
Axis name

Character-string
None

Code
Absolute value of deviation in hexadecimal (reference unit)

Probable Faulty Locations
– Faulty MCS controller
– Mismatch between MCS data and NC data

Okuma Alarm-B 2153 MCS CON APA deviation