Discussion about communication protocols (configuration, functions, hardware required).
2 posts • Page 1 of 1
Hi i have configure modbus tcp module. When i try to read the module with modscan i can read it. But when i use winlog there is always comunication ko. And read error incrase it. The module only can read only holding register. And i registered the numeric gate with address 3:101 which mean holding register 101 but. The comunication always ko and read error incrased