Eastron (SDM630) data logging - MODBUS registers map
The following data can be automatically logger 24x7 to a database, CSV files or Excel with the help of the Advanced Serial Data Logger (for MODBUS RTU) or Advanced TCP/IP Data Logger (for MODBUS TCP) software.
MODBUS offset
Description
Units
Data type
2
Phase 2 line to neutral volts
Volts
single
4
Phase 3 line to neutral volts
Volts
single
6
Phase 1 current
Amps
single
8
Phase 2 current
Amps
single
10
Phase 3 current
Amps
single
12
Phase 1 power
Watts
single
14
Phase 2 power
Watts
single
16
Phase 3 power
Watts
single
18
Phase 1 volt amps
VoltAm ps
single
20
Phase 2 volt amps
VoltAm ps
single
22
Phase 3 volt amps
VoltAm ps
single
24
Phase 1 volt amps reactive
VAr
single
26
Phase 2 volt amps reactive
VAr
single
28
Phase 3 volt amps reactive
VAr
single
30
Phase 1 power factor
None
single
32
Phase 2 power factor
None
single
34
Phase 3 power factor
None
single
36
Phase 1 phase angle
Degre es
single
38
Phase 2 phase angle
Degre es
single
40
Phase 3 phase angle
Degre es
single
42
Average line to neutral volts
Volts
single
46
Average line current
Amps
single
48
Sum of line currents
Amps
single
52
Total system power
Watts
single
56
Total system volt amps
VA
single
60
Total system var
VAr
single
62
Total system power factor
None
single
66
Total system phase angle
Degre es
single
70
Frequency of supply voltages
Hz
single
72
Import wh since last reset
kWh/M Wh
single
74
Export wh since last reset
kWH/ MWh
single
76
Import varh since last reset
kVArh/ MVArh
single
78
Export varh since last reset
kVArh/ MVArh
single
80
Vah since last reset
kVAh/ MVAh
single
82
Ah since last reset
Ah/kAh
single
84
Total system power demand
Watts
single
86
Maximum total system power
Watts
single
100
Total system va demand
VA
single
102
Maximum total system va demand
VA
single
104
Neutral current demand
Amps
single
106
Maximum neutral current demand
Amps
single
200
Line 1 to line 2 volts
Volts
single
202
Line 2 to line 3 volts
Volts
single
204
Line 3 to line 1 volts
Volts
single
206
Average line to line volts
Volts
single
224
Neutral current
Amps
single
234
Phase 1 l/n volts thd
%
single
236
Phase 2 l/n volts thd
%
single
238
Phase 3 l/n volts thd
%
single
240
Phase 1 current thd
%
single
There are more MODBUS items for this device. Please download the program to discover all registers.
