Recent content by Eugeny Brychkov

Is there any type of generic NOP Modbus TCP request I, as a server, can send to the remote device and get nominal reply from it? The issue I am trying to solve is connection timeout - the remote device closes connection after 5 seconds being idle, but I want it to persist using minimal data...

I am designing the parser for the individual identification responses, and having troubles because as it is explained and *exampled* in the manual it is not possible to parse data without keeping whole history of the identification transactions. Manual explains the mechanism badly, and I believe...