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Diagnostics
11.4 IO-Link diagnostics
11.4
IO-Link diagnostics
IO-Link diagnostics
The manufacturer-specific diagnostics listed in the table are reported via the diagnostic
mechanism of IO-Link. The table below provides information on possible causes and remedial
measures:
Table 11-2
Possible causes and remedial measures
Diagnostics and messages
Preset <> actual configuration
Switching element defective
Process image error
Manual mode connection abort (oper‐
ator panel)
The overload relay is in manual mode
and cannot be controlled using the op‐
erator panel.
Thermistor overload
Overload tripping
Ground fault tripping
Residual current tripping
(Switching relay is switched on but
there is no current flow.)
106
Possible causes
•
Fault in communication with current
measuring module.
•
Wrong current measuring module.
•
Operator panel available/not available.
•
Contactor welded.
•
Defective relay contacts in the 3RB24
overload relay.
Error in the process image of the directions
of rotation:
Direction of rotation 1 and direction of ro‐
tation 2 are active simultaneously.
Operator panel removed in "manual mode" Remount operator panel and perform
•
There is a group error.
•
The enabling module has been re‐
moved from the operator panel.
Overheating of the motor.
Overheating of the motor.
The overload relay has detected a ground
fault.
•
Defective contactor.
•
Defective fuse in the main circuit.
•
Defective relay in the overload relay.
Possible remedial measures
•
Check the connection to the current
measuring module and replace the
current measuring module if neces‐
sary.
•
Connect a suitable current measur‐
ing module.
•
Correct the parameter "Operator pan‐
el available".
•
Change the parameter "Operation at
Preset <> Actual Operation" to "ena‐
ble":
•
Replace the contactor.
•
Replace the overload relay.
•
Delete the selection of the two direc‐
tions of rotation in the process im‐
age.
•
Correct the selection via the process
image.
"reset to automatic mode". (see "Manual
mode" in the Chapter "Operation using
the operator panel (Page 95)")
•
Remove the cause of the fault and
reset the group error.
•
Insert the enabling module into the
slot on the operator panel.
•
Allow the motor to cool down.
•
Allow the motor to cool down.
Eliminate the ground fault.
•
Replace the contactor.
•
Replace the fuse in the main circuit.
•
Replace the overload relay.
SIRIUS 3RB24 electronic overload relay for IO-Link
Equipment Manual, 07/2022, NEB969165602000/RS-AA/003
1)
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