9 | Looking for more information about EtherCAT?
STOBER
70
02/2020 | ID 443025.06
9.5.2.2.2.3
EtherCAT slave: Synchronization – Read out diagnostic parameter
You can get information about the status of the EtherCAT synchronization using the A261 diagnostic parameter. It checks
whether a frame arrives at an EtherCAT slave within a certain time period based on the Sync 0 signal.
ü
You are in DriveControlSuite.
1.
Highlight the relevant drive controller in the project tree and click on the first projected axis in the project menu >
Wizard
area.
2.
Select the
EtherCAT
wizard >
Diagnostics
.
ð
A261[0] – [3] shows the state of the EtherCAT synchronization.
3.
A261[0]:
Specifies the number of the error code.
4.
A261[1]:
Specifies the time difference between the data provision and the Sync 0 signal in µs.
5.
A261[2]:
If the process data from the master arrived at the slave after the Sync 0 signal in the slave, or if the time difference
between process data receipt and Sync 0 signal is greater than half of A150, A261[2] is incremented.