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Appendix B:
IQ 250/260 Meter Modbus Mapping for IQ 250/260
www.eaton.com
IB02601006E
B-1
App.B
Modbus Mapping for IQ 250/260
Introduction
The Modbus Map for the IQ 250/260 Meter gives details and information about the possible
readings of the meter and its programming. The IQ 250/260 can be programmed using the buttons
on the face of the meter (Chapter 6) or with the IQ 250/260 Modbus Configuration Software
(Chapter 8).
Modbus Register Map Sections
The IQ 250/260 Modbus Register Map includes the following sections:
Fixed Data Section, Registers 1- 47, details the Meter’s Fixed Information.
Meter Data Section, Registers 1000 - 12031, details the Meter’s Readings, including Primary
Readings, Energy Block, Demand Block, Phase Angle Block, Status Block, THD Block, Minimum
and Maximum in Regular and Time Stamp Blocks, Option Card Blocks, and Accumulators.
Operating Mode readings are described in Chapter 6 of this manual.
Commands Section, Registers 20000 - 26011, details the Meter’s Resets Block, Programming
Block, Other Commands Block and Encryption Block.
Programmable Settings Section, Registers 30000 - 33575, details all the setups you can program to
configure your meter.
Secondary Readings Section, Registers 40001 - 40100, details the Meter’s Secondary Readings.
Data Formats
ASCII:
ASCII characters packed 2 per register in high, low order and without any
termination characters.
SINT16/UINT16: 16-bit signed/unsigned integer.
SINT32/UINT32: 32-bit signed/unsigned integer spanning 2 registers. The lower-addressed
register is the high order half.
FLOAT:
32-bit IEEE floating point number spanning 2 registers. The lower-addressed
register is the high order half (i.e., contains the exponent).
Summary of Contents for IQ 250
Page 2: ......
Page 22: ...3 6 IB02601006E www eaton com Chapter 3 Mechanical Installation IQ 250 260 Meter...
Page 38: ...4 16 IB2601006E www eaton com Chapter 4 Electrical Installation IQ 250 260 Meter...
Page 104: ...A 6 IB02601006E www eaton com Appendix A IQ 250 260 Navigation Maps IQ 250 260 Meter...
Page 134: ...A IQ 250 260 Meter Appendix B Modbus Mapping www eaton com IB02601006E MM 28...