Larsen Toubro (ER300P) logging - MODBUS registers map
The data can be automatically logged 24/7 into a database, CSV files, or Excel spreadsheets using the Advanced Serial Data Logger (for MODBUS RTU) or Advanced TCP/IP Data Logger (for MODBUS TCP) software. These tools provide continuous and reliable Larsen Toubro (ER300P) logging and record.
MODBUS offset
Description
Units
Data type
9
Total active power
W
smallint
10
Total reactive power
VAr
smallint
11
Total apparent power
VA
smallint
12
Total power factor
smallint
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