Tag Archives: Ethernet
The Chicken-or-Egg Problem around OPC UA Security
If you read any of the OPC UA literature, or study the books I’ve written [...]
Sep
Modbus Plus: Mystery at the Museum
I like the TV show “Mysteries at the Museum”. They tell stories about odd things [...]
Aug
Architecting OPC UA Systems
As most of you know, I’m a huge fan of OPC UA. Have been since [...]
Jul
Microsoft, Azure and IIOT
Microsoft is making an impressive play for business in Industrial Automation. They’ve tried this several [...]
Jul
What’s So Special About RS232 and RS485?
Modbus over RS232 and RS485 kicked off networking in automation. Before then, all we had [...]
Jul
Why Toyota Moved to EtherCAT
The EtherCAT Technology Group (ETG) surprised everyone at the recent Hannover Messe by announcing that [...]
Jun
Sharing the Trade Floor with President Obama
I recently returned from Hannover Messe (‘messe’ is German for ‘fair’), my first visit to [...]
May
Modbus Conformance
If you’re a device manufacturer and you’ve ever developed an EtherNet/IP Adapter, BACnet/IP Server or [...]
Sep
OPC UA Use Cases
Patience is not a virtue that many of us have. Almost nowhere is that more [...]
Aug
Industrial Ethernet Security
I admit it. All this security talk makes my head spin. I didn’t go to [...]
Jul
