IFM Electronic AC402S Programming Manual page 156

SmartPLC SafeLine AC4S with fieldbus interfaces
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Output parameters
Parameter Data type
xReady BOOL
xBusy BOOL
xError BOOL
wDiagnostic WORD
Diagnostic codes:

0x0000 No specific error is set

0x0001 Slave does not respond or change to offline mode during FB execution

0x0002 Slave with old address not found (slave not detected)

0x0003 Slave with address 0 found (slave not detected)

0x0004 Slave with new address found

0x0005 Error during deletion of the old address (Delete Error)

0x0006 ExtendedID1 could not be read after writing (Read Error)

0x0007 Error when writing ExtendedID1 (Set Error)

0x0008 New address temporary stored

0x0009 ExtendedID1 stored temporarily

0x0018 Master is not in normal operation.
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Description
Signal indicates whether the execution
of the FB is completed.
Signal indicates whether the FB is
being executed.
Signal indicates whether errors
occurred while the FB was executed.
Diagnostic information
Possible values
FALSE FB is inactive or being
executed.
TRUE FB execution is completed.
FALSE FB is deactivated or FB
execution is completed.
TRUE FB execution has started but is
not yet completed.
FALSE FB is disabled or is being
executed or FB was executed
without error.
TRUE An error occurred while the FB
was executed.
→ List below (Diagnostic codes)
42541