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 offset | Description | Units | Data type |
|---|
| 1 | Y line voltage | V | word |
| 2 | B line voltage | V | word |
| 3 | R phase voltage | V | word |
| 4 | Y phase voltage | V | word |
| 5 | B phase voltage | V | word |
| 6 | R phase current | C | word |
| 7 | Y phase current | C | word |
| 8 | B phase current | C | word |
| 9 | Total active power | W | smallint |
| 10 | Total reactive power | VAr | smallint |
| 11 | Total apparent power | VA | smallint |
| 12 | Total power factor | | smallint |
| 13 | Average frequency | | word |
| 14 | Tamper status | | word |
| 18 | Current time format, year, month (BCD) | | word |
| 19 | Current time format, date day (BCD) | | word |
| 20 | Current time format, hour minute (BCD) | | word |
| 21 | Current time: format: second, dummy (BCD) | | word |
| 22 | Cumulative energy, forward | Wh | dword |
| 24 | Cumulative energy, reverse | Wh | dword |
| 26 | Cumulative energy, forward | VArh | dword |
| 28 | Cumulative energy, reverse | VArh | dword |
| 30 | Anomaly string (ASCII) | | dword |
| 32 | 00:00 hr forward Wh of present day | Wh | dword |
| 34 | 00:00 hr forward Wh of previous day | Wh | dword |
| 36 | 00:00 hr reverse Wh of present day | Wh | dword |
| 38 | 00:00 hr reverse wh of previous day | Wh | dword |
| 40 | CT tapping | | word |
Larsen Toubro (ER300P) data logging
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