pymodbustcp

Pymodbus reading from multiple energy meters Question: in our company we will install multiple energy meters (abb m4m ethernet 20). This energy meter works via modbus tcp/ip. I have a working python script for reading registers from one that we already have but the problem is that when we will have multiple of them how …

unkown cause of pyModbusTCP timeout Question: I have a device connected via ethernet cable to the network. Its manual says it accepts modbusTCP communication protocol and indeed nmap in the configured port shows that a modbus service is open (nmap output at the end). I am no modbus expert but i found the pyModbusTCP python …