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Modbus Register Maps
MODBUS REGISTER MAPSC
TCP/IP Register Map
The following pages dene the Modbus Register Map for the Power Xpert Meter 2770 in the Wye conguration. This is the largest of the
Power Xpert Meter maps, and the maps of other models and wiring congurations are subsets of this.
Parameter Name Display Name Base Address
(0-based)
Discrete Units Type Size
(bytes)
Is Time-
stamp?
Bit
Offset
Swap
Bytes
Swap
Words
Divider Multiplier Date
Spec
Alarm On
False
Writable Possible Values
VendorName/Value Vendor Name 1032 No no-units STRING 64 No No No No
ModelName/Value Model Name 1064 No no-units STRING 64 No No No No
iDisplayName/Value Display Name 1096 No no-units STRING 64 No No No Yes
SerialNumber/Value Serial Number 1276 No no-units STRING 64 No No No No
SoftwareVersion/Value Software Version 2108 No no-units STRING 48 No No No No
iDeviceVoltsRating/Value Nominal Voltage 1355 No volts UINT 4 No No No Yes
iNumPhases/Value Phases to Display on Meter Front 1361 No no-units UINT 2 No No No Yes 1; 2; 3
iFieldReplaceableUnit/Value Field Replaceable Unit 1605 No no-units UINT 2 No No No Yes true; false
iNominalFrequency/Value Nominal Frequency 1668 No hertz UINT 2 No No No No
iDeviceAmpsRating/Value Output Current Rating 1810 No amperes UINT 2 No
No No Yes
sStatus/Value Status 3000 No no-units UINT 2 No No No No Off(0); Normal(1); Limp mode(2);
Warmup(3); Unknown(4);
Unknown(5); Boot up(6); Boot up(7)
mACVAB/Value Vab 4002 No volts FLOAT 4 No No No No
mACVBC/Value Vbc 4004 No volts FLOAT 4 No No No No
mACVCA/Value Vca 4006 No volts FLOAT 4 No No No No
mACVavgLL/Value V(L-L) Average 4008 No volts FLOAT 4 No No No No
mACVAN/Value Van 4010 No volts FLOAT 4 No No No No
mACVBN/Value Vbn 4012 No volts FLOAT 4 No No No No
mACVCN/Value Vcn 4014 No volts FLOAT 4 No No No No
mACVavgLN/Value V(L-N) Average 4016 No volts FLOAT 4 No No No No
mPhaseAngleVab/Value Phase Angle Vab 4497 No degrees-
phase
FLOAT 4 No No No No
mPhaseAngleVbc/Value Phase Angle Vbc 4499 No degrees-
phase
FLOAT 4 No No No No
mPhaseAngleVca/Value Phase Angle Vca 4501 No degrees-
phase
FLOAT 4 No No No No
mACVavgLLLongtermAvg/Value V(L-L) Average - Long-term Average 4525 No volts FLOAT 4 No No No No