Eastron SDM630MCT-ML - Protocol of Multi Communication Addresses Mode; Input Register, Function Code (Hex): 04

SDM630MCT-ML User Manual V1.2
- 24 -
4.3 Protocol of Multi Communication Addresses Mode
4.3.1 Input Register, Function code (Hex): 04
Address
(Register)
Input Register Parameter
Modbus
Protocol
Start
Address
Hex
Description
Length
(bytes)
Data
Format
Units
Hi
Byte
Lo
Byte
Below are registers for CH01, CH02, CH03 and CH04. The four channels registers are the same. But their
communication address (001~247) is different.
30001
Phase 1 line to neutral volts
4
Float
V
00
00
30003
Phase 2 line to neutral volts
4
Float
V
00
02
30005
Phase 3 line to neutral volts
4
Float
V
00
04
30007
Phase 1 current
4
Float
A
00
06
30009
Phase 2 current
4
Float
A
00
08
30011
Phase 3 current
4
Float
A
00
0A
30013
Phase 1 active power
4
Float
W
00
0C
30015
Phase 2 active power
4
Float
W
00
0E
30017
Phase 3 active power
4
Float
W
00
10
30019
Phase 1 apparent power
4
Float
VA
00
12
30021
Phase 2 apparent power
4
Float
VA
00
14
30023
Phase 3 apparent power
4
Float
VA
00
16
30025
Phase 1 reactive power
4
Float
VAr
00
18
30027
Phase 2 reactive power
4
Float
VAr
00
1A
30029
Phase 3 reactive power
4
Float
VAr
00
1C
30031
Phase 1 power factor (1)
4
Float
None
00
1E
30033
Phase 2 power factor (1)
4
Float
None
00
20
30035
Phase 3 power factor (1)
4
Float
None
00
22
30037
Phase 1 phase angle
4
Float
Degrees
00
24
30039
Phase 2 phase angle
4
Float
Degrees
00
26
version
number
Data Format ：the first byte means XX，the second byte
means YY
Length : 2 byte
Data Format : Hex
Note: Only read
464643
Hardware
version
number
FC
82
Version number of hardware XX.YY
Data Format ：the first byte means XX，the second byte
means YY
Length : 2 byte
Data Format : Hex
Note: Only read
ro
464645
Version
number on
display
FC
84
The version number showed on the display XX.YY
Data Format ：the first byte means XX， the second byte
means YY
Length : 2 byte
Data Format : Hex
Note: Only read
ro
464673
Switch of ML
work mode
FC
A0
Switch of work mode of SDM630MCT-ML
31 64：one address work mode；
34 64：four addresses work mode；
Length : 2 byte
Data Format : Hex
(KPPA is asked)
r/w