Appendix D—Modbus Register Map240 Power Xpert C445 Global Motor Management Relay MN042003EN—October 2016 www.eaton.com318 Warning Reason BYTE ROArray size: 4BitfieldIndicates the Reason for a Warning condition. Each Alarm type has a bit.320 Base Control ModuleControl Voltage ScaledUINT16 ROUnits: mVBase Control Module measured control Voltage scaled in millivolts.321 Voltage L1-L2 (AB) UINT16 ROUnits: VSupply Line-to-Line Voltage AB (L1-L2)322 Voltage L2-L3 (BC) UINT16 ROUnits: VSupply Line-to-Line Voltage BC (L2-L3)323 Voltage L3-L1 (CA) UINT16 ROUnits: VSupply Line-to-Line Voltage CA (L3-L1)324 Average Voltage UINT16 ROUnits: VSupply Line-to-Line Voltage, Average of the three phases325 Voltage Unbalance UINT8 ROUnits: %Supply Voltage Unbalance PercentageTable 127. C445 Modbus Register Map, continuedRegister Name Attribute DescriptionBit Description Coil0 Under voltage 50731 Over voltage 50742 External ground fault 50753 Residual ground fault 50764 Current phase loss 50775 Current unbalance 50786 Instantaneous over current 50797 Jam 50808 Power factor deviation 50819 Voltage phase loss 508210 Voltage unbalance 508311 Frequency deviation fast 508412 Frequency deviation slow 508513 Under current 508614 High power 508715 Low power 508816 Reserved 508917 Starts limit exceeded 509018 Overload 509119 Stall 509220 Phase rotation mismatch 509321 PTC 509422 Under voltage restart 509523 Peak demand 5096
