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SIS-TECH IS CELEBRATING IT'S TENTH ANNIVERSARY!
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SIS-TECH Applications GIF SIS-TECH Solutions GIF
SIS-TECH In the News SIS-TECH Publications
Dr. Summers quoted in the cover story for the March 2009 issue of Chemical World - In 'Predictive Maintenance: Future in Safe Hands' Dr. Summers speaks of the importance of mechanical integrity with respect to operational safety.

IEC 61508 Product Approvals - Veering Off Course -
Learn why your installed SIS may not be providing the reliability you expected and/or required.

IEC 61511 Guidelines Book Available

Based on the framework defined in the harmonized ANSI/ISA 84.01/IEC 61511 standards this book provides readers with much-requested guidance in an easy to understand discussion that addresses IPS planning, risk assessment, design, engineering, installation, commissioning, validation, operation, and maintenance activities.


Overfill Protective Systems - Complex Problem, Simple Solution - Loss of level control has been a contributing cause in three of the worst industrial incidents in process industry history, but protecting against it can be surprisingly simple.

Lessons Learned While Auditing Automation Systems for PSM Compliance -
While building systems, errors can creep in. SIS-TECH has audited many systems, and here are some of our observations illustrating these problems.

Read other safety system articles published by SIS-TECH.

Special Announcements SIS-TECH Products
Dr. Summers named a Distinguished Engineering Fellow by the University of Alabama College of Engineering
The University of Alabama College of Engineering has awarded Dr. Angela E. Summers the top honor the college presents for her additions to the field of Chemical Engineering.
Along with Dr. Summers Robert M. Lightfoot Jr., the acting director of NASA's Marshall Space Flight Center and John S. Richardson the president and chief operating officer of Energen Resources Corporation were also named fellows by the college.


Dr. Summers inducted into Automation Hall of Fame
Control magazine recently honored Dr. Angela E. Summers’ many contributions to the process industry by inducting her into its Automation Hall of Fame.
Dr. Summers joins an impressive list of “who’s who in automation” including such notable past Automation Hall of Fame inductees as Bela Liptak, Greg Shinsky, Greg McMillan, Harold Wade, Terry Blevins, Richard Caro, Dr. Ted Williams, Dr. R. Russel Rhinehart, Edgar Bristol, Dick Morley, and many more.

Low-Cost, High-Availability High Integrity Level Protection System
When designed, installed, operated, tested, and maintained in accordance with IEC 61511 standards, the Diamond-SIS provides >99.9% availability. It has been certified by Factory Mutual (FM) as fit for use in high integrity protection system applications up to and including Safety Integrity Level three ( SIL 3).

SIL-Solver Revision 5.01 released

SIL Solver is an advisory software package intended for use in verifying the Safety Integrity Level ( SIL ) of SIF and other protective instrumented functions (PIF).   SIL Solver uses globally recognized calculation methods defined in appropriate standards and methodologies including: 
ANSI / ISA 84.00.01-2004/IEC 61511
ISA TR84.00.02
CCPS Chemical Process Quantitative Risk Analysis (CPQRA)
CCPS Guidelines for Safe and Reliable Instrumented Protective Systems

Diamond-SIS™ suitable for HIPPS applications

Diamond-SIS is a cost effective, stand-alone, logic solver that is easy to test, simple to maintain, yet it provides the high-availability required of HIPS applications. It has been certified by Factory Mutual (FM) as fit for use in HIPS applications up to and including Safety Integrity Level three (SIL 3).