Today's Top Story

OPAF expands membership, releases O-PAS Version 1.0

The Open Process Automation Forum defines the future with its Open Process Automation Standard

CT1903 cover story lead art2

Every dream house needs a solid foundation. In the case of the Open Process Automation Forum's (OPAF) quest for interoperable, plug-and-play networking and process controls, this means defining common requirements, securing participating members, gaining consensus, and testing to achieve compliance with its Open-Process Automation Standard (O-PAS).    Beyond expanding to 133 members during the past year, including end users, system integrators, suppliers and supporting organizations, OPAF and the Open Group also took the major step of publishing their preliminary O-PAS, Version 1.0, on Feb. 5 at ARC Advisory Group's Industry Forum in Orlando. This five-part document…

Full Story

Resources

1902 SOT Flow tablet smallFlow Measurement, Spring 2019

This anthology of recent coverage in Control magazine and ControlGlobal.com updates the discussion about recent developments in flow and level measurement and includes information on how IoT is enhancing the performance of control valves. Download it here.

 

1902 DE tablet small2Our latest issue: February 2019

Edge computing is enabling routine data gathering, storage on databases and latency-reducing data processing, while also delivering less burdensome reports-by-exception, anomalies and longer-term trends for analysis to the cloud and other enterprise-level users. Read the issue.

 

Voices: Ask The Experts

Compressor rod position detection

And how quickly we need to bring global warming under control.

Q: We're facing a problem of high readings of rod position in four-cylinder reciprocating compressors. The probes are GE in XY configuration for each cylinder. The probes have been verified for linearity and installed. On starting the compressors, the value of position magnitude crossed more…

Full Story

Most Recent

  • OPAF expands membership, releases O-PAS Version 1.0

    By Jim Montague

    Every dream house needs a solid foundation. In the case of the Open Process Automation Forum's (OPAF) quest for interoperable, plug-and-play networking and process controls, this means defining common requirements, securing participating members, gaining consensus, and testing to achieve compliance…

    Full Story
  • Digital twin's missing piece: Real-time location

    While plants and factories have long used deterministic communication networks to gather sensor data and close the loop on manufacturing processes, the real-time location of assets, tools, people and in-process inventory is often uncertain.Indeed, as production process themselves have become…

    Full Story
  • Modern data historians provide for optimization, savings

    By Jim Montague

    Shed a few pounds. Jettison some physical constraints. Both allow greater speed and freedom of movement, and this is just as true for process control components as it is for the people and processes that rely on them.In the case of process historians and other data storage devices, as they've…

    Full Story
  • Two-wire power supply alternatives

    By John Rezabek

    The wirelessHART gathering point would be bringing in more than 50 wireless temperature sensors along with other assorted measurements, which would be displayed on the host DCS using Modbus. The gathering point, or WiHART gateway, could also be connected to the asset management system using…

    Full Story
  • How to get legacy machines IoT ready

    There's gold in legacy devices—if you can reach it. Long-serving equipment, machines and systems may be the backbone of industrial manufacturing, but many if not most were built and installed in the years before today's on-board microprocessors and Ethernet or wireless network connections were…

    Full Story

Latest Products