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Is there any interfacing sofware to build communication
between a PC and ER300P model L&T make trivector meter via
RS485 port which is available in the meter and is there any
data acquisition card available to store the acquired data
from the meter into the system
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Answer Posted / pearl george
there are so many softwares available on the net such as modscan, simplymodbus by which u can communicate. rs485 port uses the modbus rtu mode of communication in L&T er300p.with these softwares u can get the values like voltages, current, pf, frequency etc that are stored in the holding register of the meter. to communicate with the energy meter u hav to prepare a query with the required function code.
more details required, pls feel free to ask me
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