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3 Modbus Register Map
3.1 Modbus Setup Registers
Address Point
ID
Description
Options/Range Units
Type
R/W
Notes
Modbus Assignable Registers
0-119
+0
Register 0 contents
0-65535
UINT16
R/W
+1
Register 1 contents
0-65535
UINT16
R/W
...
+119
Register 119 contents
0-65535
UINT16
R/W
Assignable Registers Map
120-239
+0
Mapped register 0 address
0-65535
UINT16
R/W
+1
Mapped register 1 address
0-65535
UINT16
R/W
+119
Mapped register 119 address
0-65535
UINT16
R/W
Modbus Conversion Scales
240
Low raw scale
0
UINT16
R
241
High raw scale
9999
UINT16
R
Device Data Scales
242
Voltage scale, in secondary volts
60-828 (default 144V)
1V
UINT16
R/W
243
Current scale, in secondary amps = CT secondary
current (1A, 5A)
×
Current overload
20, 100 (2.0A, 10.0A)
×
0.1A
UINT16 R