Tag Archives: Ethernet

Modbus Plus: Mystery at the Museum

I like the TV show “Mysteries at the Museum”. They tell stories about odd things [...]

Architecting OPC UA Systems

As most of you know, I’m a huge fan of OPC UA. Have been since [...]

Microsoft, Azure and IIOT

Microsoft is making an impressive play for business in Industrial Automation. They’ve tried this several [...]

What’s So Special About RS232 and RS485?

Modbus over RS232 and RS485 kicked off networking in automation. Before then, all we had [...]

Why Toyota Moved to EtherCAT

The EtherCAT Technology Group (ETG) surprised everyone at the recent Hannover Messe by announcing that [...]

Sharing the Trade Floor with President Obama

I recently returned from Hannover Messe (‘messe’ is German for ‘fair’), my first visit to [...]

Modbus Conformance

If you’re a device manufacturer and you’ve ever developed an EtherNet/IP Adapter, BACnet/IP Server or [...]

OPC UA Use Cases

Patience is not a virtue that many of us have. Almost nowhere is that more [...]

Industrial Ethernet Security

I admit it. All this security talk makes my head spin. I didn’t go to [...]


History can always be sliced and diced in different ways. The history of the Civil [...]