9
vacon • 178
EtherNet/IP
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Class Attribute “Number of Instances”
This attribute presents the number of instances that currently exist of the Fault History Object in the
device.
9.2.2.4.3.
I
NSTANCE
A
TTRIBUTES
Instance Attribute “FaultCode”
The value returns the fault code of a fault entry which is represented by the Fault History Object
instance.
Instance Attribute “FaultID”
The value returns the fault ID of a fault entry which is represented by the Fault History Object
instance. This value more exactly specifies which kind of fault is in question.
In case of VACON
®
NX and VACON
®
20 family AC drives, the FaultID is the subcode of the fault.
Instance Attribute “FaultYear”
In VACON
®
100 family AC drive, the attribute contains the year in which the fault occurred (according
to the fault history). In other drives it contains the number of years the drive had been running until
the fault occurred.
Instance Attribute “FaultMonth”
In VACON
®
100 family AC drive and in VACON
®
NXP drive (if real DateTime has been set), the
attribute contains the month in which the fault occurred (according to the fault history). In other
drives it is always zero.
Instance Attribute “FaultDay”
In VACON
®
100 family AC drive and in the VACON
®
NXP drive (if real DateTime has been set), the
attribute contains the day-of-month in which the fault occurred (according to the fault history). In
other drives it contains the number of days the drive had been running since beginning of the year
until the fault occurred.
Instance Attribute “FaultMillisAfterMidnight”
The attribute contains the number of milliseconds after midnight when the fault is time-stamped.
The purpose of this format is to provide high accuracy and give you the possibility of representation
according to 24-hour or 12-hour clock.
9.2.2.4.4.
C
LASS
S
ERVICES
Class Service “Reset”
This service is used to reset the fault history of the drive.
Table 153. Fault History Object - Number Of Instances
Drive
Maximum number of
faults
VACON
®
20
VACON
®
20 X
VACON
®
20 CP
10
VACON
®
NXP
30
VACON
®
NXS
30
VACON
®
100 family
40
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