When phase A, phase B and phase
C all < 110V, it means work normal.
40239
RW Alarm status 0 means closed
1 means open.
Note: Register 40221—40239 should be set once time. What’s more, the upper limit must
higher than lower limit.
8.6.5 Register for command and clear energy
Register
address
Read/write
attribute
Data
type
Definition Description
40252 WO U16 Clear Maximum
value of demand
Write 888
40253 WO U16 Clear energy Write 78
40254 WO U32 Input active energy
Calculation factor: 0.1,
Unit: kWh
40255
40256 WO U32 Output active
energy
40257
40258 WO U32 Input reactive Calculation factor: 0.1,
64
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