Open communication protocolsModbus TCP/IP is an open industrial protocol based on standard Ethernet. Modbus provides connectivity to programmable automation controllers (PACs), PLCs, and legacy ...

Getting a handle on the invisible part of your network—the protocols that are in use—can be of enormous value in helping you detect problems. So far, we've talked about the tangibles of your ...

We received this question from a student at a recent Profinet One-Day Training Class. I found it particularly prescient given the latest discussions going on around Industry 4.0. The question is ...

Trying to understand every detail involved in creating an embedded product that communicates via Internet protocols can be a daunting task. These protocols were created for systems that generally have ...

Do you remember when we used multi-protocol routing for IPX, AppleTalk, and TCP/IP running on the same network? In the 1980s and early 1990s many enterprises had multiple protocols running on the ...

Do you have to get that carried away? Probably not, but you should understand that as far as an understanding of TCP/IP goes, you don't need to spend a dime (other than your Internet connection) to ...