Vacon optea Installation Manual page 87

Modbus TCP / Modbus UDP
Holding register
address
40401
40402
40403
...
40429
7.3.2.5.10. F
AULT HISTORY WITH
The fault history can be viewed by reading from address 40511 onward. The faults are listed in a
chronological order so that the latest fault is mentioned first and the oldest last. These addresses
contain the fault code and the subcode for the fault. Reading can be started from any address. (In
® ®
VACON 20, VACON 20 X and VACON
NOTE! Reading the fault history items is slow. Reading all 30 items at once might take up to three
seconds depending on drive type and firmware versions..
Holding register
address
40511
40512
40513
40514
...
40567
40568
7.3.2.5.11. R F
ESET AULT HISTORY
Drive fault history can be reset by writing "1" to address 40400. Value in this address can be read
but it is always zero.
Notice that you cannot reset fault history if there is an active fault.
7.3.2.5.12. R F
ESET AULT WITH TIME STAMPS
The fault history with timestamps can be viewed by reading from address 40601 onward. The faults
are listed in a chronological order so that the latest fault is mentioned first and the oldest last.
These addresses contain fault code, subcode and timestamp for the fault. Reading can be started
from any address. (In VACON
®
In VACON NX family AC drives it is possible to read 30 faults).
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
Table 44. Fault history
Input register
address
401 Upper byte is a fault code, lower byte is a sub code
402
403
...
429
16-
BIT ERROR CODES
®
20 CP it is possible to read nine faults).
Table 45. Fault history with 16-bit error codes
Purpose
Fault code 1 16-bit fault code in index 1.
Sub code 1 16-bit sub code for the fault in index 1.
Fault code 2 16-bit fault code in index 2.
Sub code 2 16-bit sub code for the fault in index 2.
...
Fault code 29
Sub code 29
® ®
20, VACON 20 X and VACON
Purpose
Description
®
20 CP it is possible to read nine faults
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