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DeviceNet Configuration
C440/XTOE Electronic Overload Relay, DeviceNet
MN04210002E—March 2011 www.eaton.com
27
Overload Object, Class 0x2C (C440)
Overload Instance Service (C440)
Overload Instance Attributes (C440)
Service Code
Service Name
Service Data
Description
0x0E
Get_Attribute_Single
N/A
Returns the contents of the
specified data
0x10
Set_Attribute_Single
Value
Modifies an attribute value
Attr ID
NV
Access Rule
Name
Data Type
Attribute Description
6
—
Get
%PhImbal
USINT
Percent phase imbalance
7
—
Get
%Thermal
USINT
Percent thermal capacity
100
NV
Get
TripClass
USINT
Trip class setting 5 to 30
105
—
Get
FLA Current
UINT
The present FLA setting. The potentiometer selects this value. The value is scaled by
the multiplier.
140
—
Get
AvgCurrent
UINT
Average of the three phase currents, scaled by the current multiplier
141
—
Get
Current Ll
UINT
Actual motor phase current L1, scaled by the current multiplier
142
—
Get
Current L2
UINT
Actual motor phase current L2, scaled by the current multiplier
143
—
Get
Current L3
UINT
Actual motor phase current L3, scaled by the current multiplier
144
—
Get
Ground current
UINT
RMS ground current, scaled by the current multiplier
150
—
Get
Maximum device FLA
UINT
This is the max FLA setting possible in this device. The value is scaled by the current
multiplier.
151
—
Get
Minimum device FLA
UINT
This is the min FLA setting possible in this device. The value is scaled by the current
multiplier.
152
—
Get
Current multiplier
UINT
This value indicates the multiplier applied to the current values. For example: If the
multiplier is 10 then all currents are read out in deci-amps. 1A => 10; Divide the given
current value (attribute 140, 141, 142, and so on) by the value in this location to
convert to amps.
153
—
Get
Current as a % of FLA
UINT
Presents the average current as a percent of the FLA setting.
154
—
Get
Ground Fault %
USINT
Percent of ground fault measured. GF% = GFC / ([0.5]*FLA)
C440 DeviceNet.book Page 27 Friday, March 25, 2011 10:41 AM
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