Lenze EtherCAT control technology - 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
( 147)
• 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
( 147)
• PLC:
Origin

RUN
• Bus:
Pre-Operational 
Safe-Operational 
Operational
RUN Pre-
Operational
EtherCAT bus does not enter the Operational state
( 148)
• 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
Server" ( 151)
• Logbook message: "Ethernet cable not connected"
( 152)
• Logbook message: "Ethernet cable connected"
( 153)
• Logbook messages: "Slave at index X missing" with
"Cyclic command WKC error ..." ( 154)
• Logbook message: "Cyclic command WKC error ..."
( 156)