bg

Chint Instrument (DDSU666-H) 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
15
Serial number
 
string
71
Number of strings
 
word
73
Rated power
kW
dword
75
Maximum active power
kW
dword
77
Maximum apparent power
kVA
dword
79
Maximum reactive power to grid
kVar
integer
81
Maximum reactive power from grid
kVar
integer
2088
Insulation resistance
MOhm
word
2091
Startup time
s
dword
2093
Shutdown time
s
dword
10000
Current time
s
dword
2110
Some time 1
s
dword
2156
Some time 2
s
dword
2160
Some time 3
s
dword
5113
Some time 4
s
dword
10500
Some time 5
s
dword
2000
Status 1
 
word
2002
Status 2
 
word
2003
Status 3
 
dword
2008
Alarm 1
 
word
2009
Alarm 2
 
word
2010
Alarm 3
 
word
2089
Device status
 
word
2090
Fault code
 
word
2016
PVn voltage
V
smallint
2017
PVn current
A
smallint
2064
Input power
kW
integer
2066
Line voltage A-B
V
word
2067
Line voltage B-C
V
word
2068
Line voltage C-A
V
word
2069
Phase voltage A
V
word
2070
Phase voltage B
V
word
2071
Phase voltage C
V
word
2072
Phase current A
A
integer
2074
Phase current B
A
integer
2076
Phase current C
A
integer
2078
Peak power
kW
integer
2080
Active power
kW
integer
2082
Reactive power
kVar
integer
2084
Power factor
 
smallint
2085
Grid frequency
Hz
word
2086
Efficiency
%
word
2087
Internal temperature
DC
smallint
2106
Accumulated energy yield
kWh
dword
2114
Daily energy yield
kWh
dword
7100
Meter status
 
word
7138
Meter detection result
 
word
7125
Meter type
 
word
7113
Active grid power
W
integer
7115
Active grid reactive power
VAR
integer
There are more MODBUS items for this device. Please download the program to discover all registers.

Note: Products and companies mentioned here are used only for definition and identification purposes and can be trademarks and/or registered trademarks of the respective companies.

Download MODBUS RTU data logger
Download MODBUS TCP data logger