84
Manual – Fieldbus Interface DFE24B EtherCAT®
9
List of errors
Error Diagnostics
9.2 List of errors
Flashing Prerequisite:
• RUN LED flashes green (slave is in PRE-OPERATIONAL state)
• RUN LED lights up green once (slave is in SAFE-OPERATIONAL state).
↓
Invalid configuration. Repair the configuration error and start the bus in the mas-
ter again.
↓
Switch the slave to OPERATIONAL state.
↓
Start the process data communication.
INFORMATION
• The following error list applies to option DFE24B in gateway operation.
• When operating option DFE24B in MOVIDRIVE
®
B, the corresponding error codes
can be found in the MOVIDRIVE
®
MDX60B/61B operating instructions.
Error
code
Designation Response Cause Measure
17 Stack overflow SBus communication
stopped
Inverter electronics disrupted, possibly
due to effect of EMC
Check grounding and shielding and
improve, if necessary. Consult SEW
Service if the error reoccurs.
18 Stack underflow SBus communication
stopped
19 NMI SBus communication
stopped
20 Undefined
opcode
SBus communication
stopped
21 Protection fault SBus communication
stopped
22 Illegal word
operand access
SBus communication
stopped
23 Illegal instruc-
tion access
SBus communication
stopped
25 Eeprom SBus communication
stopped
Error while accessing EEPROM Restore factory settings, perform
reset and parameterize DFE again.
Contact SEW service if the error
occurs again.
28 Fieldbus timeout Default: PO data = 0
Error response
adjustable via P831
No communication between master
and slave within the projected response
monitoring.
• Check communications routine of
the master
• Extend the fieldbus timeout inter-
val (response monitoring) in the
master configuration or deactivate
monitoring
37 Watchdog error SBus communication
stopped
Error while executing system software Consult SEW Service.
45 Error
Initialization
SBus communication
stopped
Error after self-test during reset Perform a reset. Consult SEW Ser-
vice if the error reoccurs.
111 Device timeout
system error
None Check the red system error LED (H1) of
DFx If this LED lights up red or flashes,
one or more stations on the SBus were
not addressed within the timeout time.
If the red system error LED (H1) is
flashing, the error is in the DFx itself. In
this case, error F111 was only reported
to the controller via fieldbus.
Check voltage supply, SBus cabling
and SBus terminating resistors.
Switch DFx off and on again. If the
error is still present, query the error
via diagnostic interface and perform
the action described in this table.
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