Modbus TCP / Modbus UDP
vacon • 87
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7
Table 44. Fault history
7.3.2.5.10.
F
AULT
HISTORY
WITH
16-
BIT
ERROR
CODES
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
®
20 CP it is possible to read nine faults).
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..
7.3.2.5.11.
R
ESET
F
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
ESET
F
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
®
20, VACON
®
20 X and VACON
®
20 CP it is possible to read nine faults
In VACON
®
NX family AC drives it is possible to read 30 faults).
Holding register
address
Input register
address
Purpose
40401
401
Upper byte is a fault code, lower byte is a sub code
40402
402
40403
403
...
...
40429
429
Table 45. Fault history with 16-bit error codes
Holding register
address
Purpose
Description
40511
Fault code 1
16-bit fault code in index 1.
40512
Sub code 1
16-bit sub code for the fault in index 1.
40513
Fault code 2
16-bit fault code in index 2.
40514
Sub code 2
16-bit sub code for the fault in index 2.
...
...
40567
Fault code 29
40568
Sub code 29
Summary of Contents for optea
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