Tag Archives: DH+

How Does DH+ Compare to Ethernet?

When it comes to industrial communications protocols, one of the inevitable questions is: How does [...]

Taking a Drive Down the Data Highway

Do you remember the term data highway? That’s what they called the internet way back [...]

Data Highway (DH+) Revisited

It’s been twelve years since I did an article on DH+. That’s a long time. [...]

DH+ and Remote IO

They’re old and gray. Hunched over. Slowly shuffling along. Nothing like the hot new guys [...]

Data Highway Plus (DH+)

Data highway is pretty ancient technology. It was designed and built by Allen-Bradley in the [...]