Chint Instrument (DDSU666-H) data logger. MODBUS registers map.

This data is being extracted with the help of the Advanced Serial Data Logger (MODBUS RTU,ASCII) or Advanced TCP/IP Data Logger (MODBUS TCP) software only. It may not applicable for other software titles.

MODBUS offsetDescriptionUnitsData type
15Serial number string
71Number of strings word
73Rated powerkWdword
75Maximum active powerkWdword
77Maximum apparent powerkVAdword
79Maximum reactive power to gridkVarinteger
81Maximum reactive power from gridkVarinteger
2088Insulation resistanceMOhmword
2091Startup timesdword
2093Shutdown timesdword
10000Current timesdword
2110Some time 1sdword
2156Some time 2sdword
2160Some time 3sdword
5113Some time 4sdword
10500Some time 5sdword
2000Status 1 word
2002Status 2 word
2003Status 3 dword
2008Alarm 1 word
2009Alarm 2 word
2010Alarm 3 word
2089Device status word
2090Fault code word
2016PVn voltageVsmallint
2017PVn currentAsmallint
2064Input powerkWinteger
2066Line voltage A-BVword
2067Line voltage B-CVword
2068Line voltage C-AVword
2069Phase voltage AVword
2070Phase voltage BVword
2071Phase voltage CVword
2072Phase current AAinteger
2074Phase current BAinteger
2076Phase current CAinteger
2078Peak powerkWinteger
2080Active powerkWinteger
2082Reactive powerkVarinteger
2084Power factor smallint
2085Grid frequencyHzword
2087Internal temperatureDCsmallint
2106Accumulated energy yieldkWhdword
2114Daily energy yieldkWhdword
7100Meter status word
7138Meter detection result word
7125Meter type word
7113Active grid powerWinteger
7115Active grid reactive powerVARinteger
There are more MODBUS items for this device. Please, download the program.

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.