- 25 -
Part 4
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Modbus register Map
Function code
04
to read input parameters
Address
(Register
)
Input Register Parameter
寄存器首地址
寄存器首地址
寄存器首地址
寄存器首地址
3
Ø
3
Ø
1
Ø
Parameter
Length of the
byte
Data
Format
unit
High
Byte
Low
Byte
4
W
3
W
2
W
30001
Phase 1 line to neutral volts.
4
Float
V
00
00
√
X
√
30003
Phase 2 line to neutral volts.
4
Float
V
00
02
√
X
X
30005
Phase 3 line to neutral volts.
4
Float
V
00
04
√
X
X
30007
Phase 1 current.
4
Float
A
00
06
√
√
√
30009
Phase 2 current.
4
Float
A
00
08
√
√
X
30011
Phase 3 current.
4
Float
A
00
0A
√
√
X
30013
Phase 1 power.
4
Float
W
00
0C
√
X
√
30015
Phase 2 power.
4
Float
W
00
0E
√
X
X
30017
Phase 3 power.
4
Float
W
00
10
√
X
X
30019
Phase 1 volt amps.
4
Float
VA
00
12
√
X
√
30021
Phase 2 volt amps.
4
Float
VA
00
14
√
X
X