Iwan van Beurden's photo
Iwan van Beurden, CFSE

PRODUCT SPOTLIGHT: Practical SIL Target Selection - Risk Analysis per the IEC 61511 Safety Lifecycle

Thursday, June 30, 2016 | Functional Safety | Feed


Eric Persson's photo
Eric Persson, CISSP, CACE

Network Segmentation and the Fragile PLC

Tuesday, June 28, 2016 | Industrial Control System (ICS) Cybersecurity | Feed


One of the best parts of my job is I get to walk around and look over what has been implemented in the way of physical and cyber security. Most of the time I am very impressed…

READ BLOG POST >>

Iwan van Beurden's photo
Iwan van Beurden, CFSE

The Meaning of Tool Integration

Tuesday, June 14, 2016 | Software | Feed


What does tool integration mean? One can argue it is the ability for different tools to talk to each other and exchange data. Though this may be true from a typical software tool integration, a common definition of integrate, i.e. to…

READ BLOG POST >>

John Yozallinas's photo
John Yozallinas, CFSE

Let’s Get Personal… with Risk

Wednesday, June 08, 2016 | Functional Safety | Feed


We recognize that risk is inherent in many aspects of our lives.  And most of us will do what is prudent to avoid unreasonable risk in our activities, such that we are left with some level of tolerable risk.  It may…

READ BLOG POST >>

Dr. William Goble's photo
Dr. William Goble, CFSE

Are All Field Devices Type A?

Tuesday, May 31, 2016 | Certification | Feed


I was told by an end user engineer that he considers all field devices to be simple Type A devices.  In IEC 61508, Type A is defined as a device with well-defined failure modes, well known failure rates, and behavior under…

READ BLOG POST >>

Iwan van Beurden's photo
Iwan van Beurden, CFSE

PRODUCT SPOTLIGHT: exSILentia® – PHA / PHAx™

Monday, May 23, 2016 | Software | Feed


Each month at exida, we strive to spotlight one of our products that makes the job easier for today's industry professional.  In this blog, I wanted to talk about the PHAx module as part of our exSIlentia Safety Lifecycle Suite.

Process Hazards Analysis (PHA)

Process…

READ BLOG POST >>

Steve Gandy's photo
Steve Gandy, CFSP

Are You Ready For What’s Coming?

Tuesday, May 17, 2016 | Functional Safety | Feed


If you’re like me then you’ve been waiting for the new draft of IEC 61511 to be officially issued since its release has been delayed for some time.  However, a draft has been released and can help in preparing end users for what’s…

READ BLOG POST >>

John Yozallinas's photo
John Yozallinas, CFSE

What Good is a Safety Manual?

Friday, May 06, 2016 | Functional Safety | Feed


Many products have options and features that are valuable to users.  But not all these features should be permitted while the product is performing a safety function.  For example, HART communications should not be permitted to write data to a transmitter…

READ BLOG POST >>

Michael Medoff's photo
Michael Medoff , CFSE, CISA

The Road to More Secure Products

Thursday, April 21, 2016 | Industrial Control System (ICS) Cybersecurity | Feed


The Road to Secure

As the incidence of cybersecurity threats in industry continue to rise, the automation world continues to grapple with how to address these issues.  There are many good practices available to end users such as creating demilitarized zones between…

READ BLOG POST >>

Todd Stauffer's photo
Todd Stauffer

New Version of ISA-18.2 Alarm Management Standard Is Released (2016)

Tuesday, April 19, 2016 | Alarm Management | Feed


The new and updated version of the ISA-18.2 standard (ANSI/ISA-18.2-2016, Management of Alarm Systems for the Process Industries) has now been officially released. This supersedes the original edition (2009). The new version incorporates feedback from 6+ years in the "field" and…

READ BLOG POST >>

Iwan van Beurden's photo
Iwan van Beurden, CFSE

PRODUCT SPOTLIGHT: Safety Equipment Reliability Handbook, 4th edition

Monday, April 18, 2016 | Functional Safety | Feed


Each month at exida, we strive to spotlight one of our products that makes the job easier for today's industry professional.  In this blog, I wanted to talk about our latest edtion of the SERH (Safety Equipment Realiability Handbook)

Safety Equipment Reliability HandbookREAD BLOG POST >>

Dr. William Goble's photo
Dr. William Goble, CFSE

Site Safety Index™ (SSI) – A Simple Model for Site Variations in Safety

Monday, April 11, 2016 | Certification | Feed


In several of our technical papers over the years, we have noticed that failure rates for the manufacturer, model number are different at different sites, even when the processes were quite similar.  When I have mentioned this to end users and…

READ BLOG POST >>

John Yozallinas's photo
John Yozallinas, CFSE

Is Your Team Ready for the Big Game?

Tuesday, March 29, 2016 | Functional Safety | Feed


How does a team get to play in the NCAA tournament?  They don’t just buy plane tickets and arrive at the arena ready to play whoever else shows up.  In fact, there is a rather rigorous process to determine who gets to play…

READ BLOG POST >>

Todd Stauffer's photo
Todd Stauffer

PRODUCT SPOTLIGHT: SILAlarm V2.10 - Alarm Flood Suppression

Tuesday, March 15, 2016 | Software | Feed



The ISA-18.2 and IEC 62682 alarm management standards provide recommended targets for average alarm rate and for alarm floods - a condition during which the alarm rate is greater than the operator can effectively manage (e.g., more than 10 alarm per 10 mins)…

READ BLOG POST >>

Todd Stauffer's photo
Todd Stauffer

Claiming alarms as an independent protection layer (IPL)

Tuesday, March 01, 2016 | Alarm Management | Feed


An interesting question arose recently when creating an FSM plan:

Does the ISA-18.2 standard on alarm management address the claiming of the operator’s response to alarms as a layer of protection?

Not specifically, however the ISA-18.2 standard does require that alarms are…

READ BLOG POST >>