Control technology | ethercat communication manual – Lenze EtherCAT control technology User Manual
Page 146

Control technology | EtherCAT communication manual
Diagnostics
Error scenarios
146
L
DMS 3.1 EN 01/2011 TD17
Expected state changes
Current states
Error
PLC
EtherCAT bus
• PLC:
Origin
RUN
• Bus:
Unknown
Init
Pre-Operational
Origin
Unknown
EtherCAT bus does not enter the Pre-Operational state
• PLC:
Origin
RUN
• Bus:
Pre-Operational
Safe-Operational
Operational
Origin
Pre-
Operational
•
Compilation error in »PLC Designer« ( 147)
•
Control unit/PLC does not enter the RUN state
• PLC:
Origin
RUN
• Bus:
Pre-Operational
Safe-Operational
Operational
RUN
Pre-
Operational
EtherCAT bus does not enter the Operational state
• PLC:
Origin
RUN
• Bus:
Safe-Operational
Operational
RUN
Operational
Shafts make clicking noises ( 149)
Shafts do not rotate ( 150)
Messages in the logbook of the IPC:
•
Error during EtherCAT data transmission ( 148)
•
Logbook message: "Cannot spawn Remote API
•
Logbook message: "Ethernet cable not connected"
•
Logbook message: "Ethernet cable connected"
•
Logbook messages: "Slave at index X missing" with
"Cyclic command WKC error ..." ( 154)
•