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How to read energy registers from a CM2xxx series meter?

Issue
How to read energy registers from a CM2000 series meter?

Product Line
CM2000 series meter

Cause
Customer is having issues reading KWh via modbus registers

Environment
CM2000

Resolution
The CM2000 series energy is stored in 4 registers (except Incremental Energy, which is stored in 3 registers). These registers use the Modulo 10,000 format which uses the following formula:
R4*10,000^3 + R3*10,000^2 + R2*10,000 + R1

Details explaining Mod 10k as well as examples can be found in FA212766.

The CM2000 energy registers are listed below as a reference:
ACCUMULATED ENERGY

1601–1604Real Energy In 3-Phase Total (WH)0 to 9,999,999,999,999,999
1605–1608Reactive Energy In 3-Phase Total (VArH)0 to 9,999,999,999,999,999
1609–1612Real Energy Out 3-Phase Total (WH)0 to 9,999,999,999,999,999
1613–1616Reactive Energy Out 3-Phase Total (VArh)0 to 9,999,999,999,999,999
1617–1620Apparent Energy, 3-Phase Total (VAH)0 to 9,999,999,999,999,999
1621–1624Real Energy Signed/Absolute 3-Phase Total (WH)0 to ±9,999,999,999,999,999
1625–1628Reactive Energy Signed/Absolute 3-Phase Total (VArH)0 to ±9,999,999,999,999,999


CONDITIONAL ACCUMULATED ENERGY

1629–1632Conditional Real Energy In, 3-Phase Total (WH)0 to 9,999,999,999,999,999
1633–1636Conditional Reactive Energy In 3-Phase Total (VArH)0 to 9,999,999,999,999,999
1637–1640Conditional Real Energy Out, 3-Phase Total (WH)0 to 9,999,999,999,999,999
1641–1644Conditional Reactive Energy Out 3-Phase Total (VArH)0 to 9,999,999,999,999,999
1645–1648Conditional Apparent Energy 3-Phase Total (VAH)0 to 9,999,999,999,999,999



INCREMENTAL ACCUMULATED ENERGY

1649–1651Incremental Real Energy In, 3-Phase Total (WH)0 to 999,999,999,999
1652–1654Incremental Reactive Energy In 3-Phase Total (VArH)0 to 999,999,999,999
1655–1657Incremental Real Energy Out, 3-Phase Total (WH)0 to 999,999,999,999
1658–1660Incremental Reactive Energy Out 3-Phase Total (VArH)0 to 999,999,999,999
1661–1663Incremental Apparent Energy 3-Phase Total (VAH)0 to 999,999,999,999

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