Many thanks, Schander The hardware is installed in remote areas where only cellular or GSM will be used as a form of communication, hence the usage of RTU Modbus via Serial. Please feel free to advise. With Ethernet Modbus, it must be via a LAN, i guess? We also want the data log to be accurate The challenge is finding a meter that is flexible. We want to connect the meter to a Gateway Router like Moxa via Serial RS232/486 Modbus. I like the idea of implementing SNMP. Any idea how I can find ...
