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Blog Entry: IEC 61508 Compliant Module Testing: Part 4
Part 3 covered the design of tests, resulting in one or more Module Test Plans. To execute a test plan, one would start with the test plan and a test results template (which could be a copy of the test plan as indicated previously), document the general test information specific…
Blog Entry: Industrial Control System Cyber Security – Legislation and Standards
There is a lot of concern around cyber security in Industrial Control Systems. With new threats like Stuxnet and Flame, the perceived risk to critical infrastructure has increased dramatically. There are increased calls for legislation and new methods for dealing with these threats. The history of how we have dealt…
Blog Entry: IEC 61508 Compliant Module Testing: Part 3
The Test Plan Assessment requires evidence that module tests are designed properly, run properly, and have been successfully run. Documented test results are also required. In order to meet these requirements it is generally a good idea to document a test plan for each module. Information that applies to all…
News Item: exida Presenting at 2012 Yokogawa Users Group Conference & Exhibition
exida’s John Cusimano, Director of Security Services will be presenting at Yokogawa’s 2012 Users Group Conference & Exhibition , which will be held October 30 – November 1, 2012 in New Orleans, LA. About the Presentation: Title: “Evaluating the Security of Automation Products & Systems” Numerous standards have been published…
News Item: exida Presenting at 3rd Safety Control Systems Conference
exida’s John Cusimano, Director of Security Services will be a keynote speaker and presenter at the 3rd Safety Control Systems Conference in Edmonton, Alberta, Canada. The conference will be held November 27-29, 2012. Mr. Cusimano’s presentations include: “A Semi-Quantitative Risk Assessment Technique for Cyber Security Threats” Cyber threats are increasing…
Blog Entry: IEC 61508 Compliant Module Testing: Part 2
Last week you learned about what exactly a module is, and examples of different types of modules. Now we will move on to interfaces, the need for module testing, and code coverage requirements. An interface, such as the 3D printer’s communication interface, or the format of the 3D data it…
Blog Entry: Pen Testing a Live Control System – Are You Mad?
A recent, disturbing trend I’ve seen in industrial control system 〈ICS〉 security is that, in response to concerns about the security of their ICS & SCADA systems, companies are performing penetration (pen) testing on operational systems. Often times they request these services as one of the first steps in their…
Blog Entry: IEC 61508 Compliant Module Testing: Part I
3D printers are cool! I watched a TED talk this past year about them. I know they have been around for over 30 years, but I still think they’re cool. As I watched, I thought of the wheel for my dishwasher’s roll-out rack, which had recently fallen off and melted…
Emerson Automation Solutions - DVC6200 SIS Digital Valve Controller
IEC 61508 in the Safety Automation Equipment List
Emerson Automation Solutions - DVC6200 Digital Valve Controller
IEC 61508 in the Safety Automation Equipment List
Emerson Automation Solutions - DVC6200 SIS Position Monitor
IEC 61508 in the Safety Automation Equipment List
Rosemount - 644 4-20mA HART
IEC 61508 in the Safety Automation Equipment List
Blog Entry: How to Decode an exida IEC 61508 Certificate: Part 2
Click here to read Part 1 Now that you know the step-by-step process of product certification, now let’s take a look at the actual information on the certificate. In the left panel (gray background) you will find an exida certification logo. The logo contains information on the standard used for…
News Item: exida Exhibiting and Presenting at 2012 Emerson Global User Exchange in Anaheim, CA
exida will be exhibiting and presenting at the 2012 Emerson Global User Exchange October 8-12, 2012 in Anaheim, California. Stop by Booth #502 during exhibit hours. Also, Dr. William Goble, Principal Partner and Todd Stauffer, exida Director of Alarm Management are among the presenters at this year’s event. Please see…
Detector Electronics, LLC - X3301, X3302 Multispectrum IR
IEC 61508 in the Safety Automation Equipment List
FMC Technologies Singapore Pte Ltd - HP-PN Series 29, 38 and 52
IEC 61508 in the Safety Automation Equipment List
Blog Entry: How to Decode an exida IEC 61508 Certificate: Part 1
So you downloaded a product certificate from the exida website and you are trying to understand the information documented in the certificate. Also, you likely want to know what stands behind the certificate and what was involved in the certification of the product. I’m not going to spend time talking…
News Item: New Benchmark Survey: Use of Alarms as Safeguards and Layers of Protection
exida is conducting a survey on the use of alarms as safeguards and layers of protection. The goal of this survey is to benchmark the current alarm management practices used in industry for these types of safety-critical alarms. Poor management of such alarms can result in near-misses or can contribute…
Blog Entry: Component De-rating Without the Overhead
If you were going to build a bridge, you would want to make sure that it did not fall down if there were too many cars on the bridge. One way that this is accomplished is to overdesign. If the bridge is expected to hold at most 20,000 pounds, it…
Texas Instruments - TMS570LS20x/10x
IEC 61508 in the Safety Automation Equipment List
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