BECKHOFF AX5000 S-IDN Parameters - Manual (Page 189)

S­IDNs
S­0­0909 Dynamic MDT error counter
At each Sync1 time the drive checks whether new valid dynamic MDT data are present. If not, this counter is
incremented. Possible causes of error are late EtherCAT telegrams or incorrectly transferred EtherCAT
telegrams with invalid checksums.
Attributes
Name Value
Format UDEC
Data length 16
Decimal point 0
Min value ­
Max value ­
Default value ­
Unit ­
Changeable in EtherCAT state No
Cyclic transfer AT
Device parameter No
Related to interface revision from 204
This counter should remain static at very low values (1 or 2). Otherwise, the cause should be analyzed.
AX5000 ­ IDN­Descriptions 189 Version 3.1