metasys n2 vacon • 39
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8. FAULT TRACKING
The table below presents the faults related to the RS-485 option board. For more information, see
also Vacon NX User's Manual, Chapter 9.
The
RS-485 option board status LEDs have been described in more detail in Chapter 3.6.
Device change Option board changed. Reset
Device added Option board added. Reset
Device removed Option board removed. Reset
Device un-
known
Unknown option board.
Fieldbus fault The data connection between the Modbus/
N2 Master and the RS-485 option board is
broken
Check the installation.
If installation is correct contact the
nearest Vacon distributor.
Slot fault Defective option board or slot Check the board and slot.
Contact the nearest Vacon distributor.
Table 24. RS-485 option board faults
You can define with parameters how the frequency converter shall react to certain faults:
P2.7.22
fault
0 3 1 0 733
=No response
=Warning
=Fault,stop acc. to 2.4.7
=Fault,stop by coasting
P2.7.23
Response to slot
fault
0 3 1 0 734
=No response
=Warning
=Fault,stop acc. to 2.4.7
=Fault,stop by coasting
Table 25. Frequency converter responses to faults