Larsen Toubro (ER300P) 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
1Y line voltageVword
2B line voltageVword
3R phase voltageVword
4Y phase voltageVword
5B phase voltageVword
6R phase currentCword
7Y phase currentCword
8B phase currentCword
9Total active powerWsmallint
10Total reactive powerVArsmallint
11Total apparent powerVAsmallint
12Total power factor smallint
13Average frequency word
14Tamper status word
18Current time format, year, month (BCD) word
19Current time format, date day (BCD) word
20Current time format, hour minute (BCD) word
21Current time: format: second, dummy (BCD) word
22Cumulative energy, forwardWhdword
24Cumulative energy, reverseWhdword
26Cumulative energy, forwardVArhdword
28Cumulative energy, reverseVArhdword
30Anomaly string (ASCII) dword
3200:00 hr forward Wh of present dayWhdword
3400:00 hr forward Wh of previous dayWhdword
3600:00 hr reverse Wh of present dayWhdword
3800:00 hr reverse wh of previous dayWhdword
40CT tapping word

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