Articles about wireless instrumentation security, safety instrumented systems, five common VFD myths, high-available computing, and SCADA cyber security were Control Engineering’s five most clicked articles from August 24-30. Miss something? You can catch up here.

Control Engineering Top 5 most read articles online, for Aug. 24-30, covered wireless instrumentation security, safety instrumented systems, five common VFD myths, high-available computing, and SCADA cyber security. Link to each article below.
1. Security for wireless instrumentation
Keeping wireless field device communications secure: Protocols for wireless instrumentation and other field devices use encryption as a key security element. Is it enough?
2. Safety instrumented systems: Tips from the trenches: Part I
The two-part installment introduces safety instrumented systems (SIS) and outlines specific tips on designing, developing, and verifying SIS applications.
3. The truth about five common VFD myths
Knowing the truth about VFD operation can simplify the selection process for choose a variable frequency drive.
4. Building high availability into industrial computers
As mission critical applications become more commonplace, so will the need for high-availability computing.
Securing control systems with supervisory control and data acquisition (SCADA): SCADA software, part of many industrial control systems, can use the U.S. National Institute of Standards and Technology (NIST) framework for cyber security.
The list was developed using CFE Media’s web analytics for stories viewed on controleng.com, August 24-30, for articles published within the last two months.
– Chris Vavra, production editor, CFE Media, [email protected].