Lenze EtherCAT control technology - Manual (Page 143)

DMS 3.1 EN 01/2011 TD17
L
143
Control technology | EtherCAT communication manual
Diagnostics
Error counters of the EtherCAT slaves
11.5 Error counters of the EtherCAT slaves
The EtherCAT slaves have numerical error counters for detecting and analysing error
states. All error counters have a limited counting range of 0 ... 255. After the maximum
value of 255 is reached, no "wrap-around" takes place. If the PLC application is to make a
sensible evaluation of the error counters, these must be deleted by the application after
the evaluation via a write access.
11.5.1 Error types: "Errors" and "Forwarded Errors"
The EtherCAT differ betweeen errors detected in the slave for the first time (red error) and
forwarded errors, i.e. errors that have already been detected in a previous slave (green
error).
When the corresponding error counters are evaluated, an error in the EtherCAT network
can be clearly assigned in a bus segment or a slave.
The different error counters are assigned to the following IPC parameters:
Error counters MC-ETC in slot 1 MC-ETC in slot 2
Port 1 Port 2 Port 1 Port 2
Errors detected for the first time
(red error)
C1096/25 C1096/26 C1096/25 C1096/26
Forwarded errors
(green error)
C1096/29 C1096/30 C1096/29 C1096/30