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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