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E51C2A, E51C3A Installation Guide
SunSpec Register Blocks (cont.)
R/W NV Format Units
• • 40168
R
NV
ULong
• • 40169
• • 40170
R
NV
ULong
• • 40171
• • 40172
R
NV
ULong
• • 40173
• • 40174
R
NV
UInt
• • 40175
R
NV
ULong
• • 40176
• • 40177
R
NV
UInt
• • 40178
R
NV
UInt
ZL0122-0D
Page 33 of 34
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Scale
Range
VAR-
M_Energy_VAR_SF
0x0 to 0xFFFFFFFF
hours
VAR-
M_Energy_VAR_SF
0x0 to 0xFFFFFFFF
hours
VAR-
M_Energy_VAR_SF
0x0 to 0xFFFFFFFF
hours
SF
1
Flags
End of SunSpec Block
0xFFFF
0x0000
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SunSpec Name
M_Export_VARh_
Phase A - Quadrant 4: Total Exported Reactive Energy
Q4A
M_Export_VARh_
Phase B - Quadrant 4: Total Exported Reactive Energy
Q4B
M_Export_VARh_
Phase C - Quadrant 4: Total Exported Reactive Energy
Q4C
M_Energy_VA_SF
Reactive Energy Scale Factor
Events
M_Events
Bit Map. See M_EVENT_flags. 0 = no event
Event
M_EVENT_Power_Failure
M_EVENT_Under_Voltage
M_EVENT_Low_PF
M_EVENT_Over_Current
M_EVENT_Over_Voltage
M_EVENT_Missing_Sensor 0x00000080
M_EVENT_Reserved1-8
M_EVENT_OEM1-15
C_SunSpec_DID = 0xFFFF
Uniquely identifies this as the last SunSpec block
C_SunSpec_Length = 0
Last block has no length
Description
Bit
Description
0x00000004
Loss of power or phase
0x00000008
Voltage below threshold (phase
loss)
0x00000010
Power factor below threshold (can
indicate misassociated voltage
and current inputs in 3-phase
systems)
0x00000020
Current input over threshold (out
of measurement range)
0x00000040
Voltage input over threshold (out
of measurement range)
Sensor not connected (not
supported)
0x00000100 to
Reserved for future SunSpec use
0x00008000
0x7FFF000
Reserved for OEMs (not used)
TM
0818
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