BECKHOFF EL9xxx - Manual (Page 91)

Appendix
Solution
n/a
7.4.35 Error Code 0x0032
Meaning
PLL Error
Description
Master not synchronized, at least one DC event recieved
Current State (or state change)
O, S→O
Resulting state
S + E
Solution
n/a
7.4.36 Error Code 0x0033
Meaning
DC Sync IO Error
Description
Multiple Synchronization Errors: At least one SycnSignal was received before. However, the PLL between
slave and master is not synchronized any more. This may occur if the master application jitters too much
Current State (or state change)
O, S→O
Resulting state
S + E
Solution
Use specific industrial pc, standard office PCs may have power saving options, graphic accelerateds and
other system services which disturb the real­time of the master.
CPU power may be too small for the PLC/NC program.
Increase EtherCAT and PLC/NC cycle time.
Use SyncUnits for the slaves using DCs.
EL9xxx 91 Version 3.1