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Recorded Webinars: The 2014 CFSE Program
This web seminar will describe the Certified Functional Safety Expert (CFSE) program, widely recognized as the “gold standard” for functional safety personnel competency demonstration. It will also describe the program requirements, the application process, the exams, and the grading/evaluation process. An introduction to the new CFSE Endorsement program, a means to show additional specific competency, will also be presented.
Glossary Term: ISA-84.01
This International Standard gives requirements for the specification, design, installation, operation and maintenance of a safety instrumented system, so that it can be confidently entrusted to place and/or maintain the process in a safe state. This standard has been developed as a process sector implementation of IEC 61508.
News Item: exida Certifies Yokogawa ProSafe-RS Safety Controller to ISASecure™ EDSA Level 1
exida, the global leader in functional safety and cybersecurity certification for the process industries, has certified Yokogawa’s ProSafe-RS Safety Controller , ensuring that it meets the requirements for ISASecure™ Embedded Device Security Assurance (EDSA) Level 1. Based upon the ISA/IEC 62443 standards, ISASecure EDSA is an industry consensus cybersecurity certification…
Glossary Term: IEC 62443
IEC 62443 is a series of standards, technical reports, and related information that define procedures for implementing electronically secure Industrial Automation and Control Systems (IACS). Based on ISA-99, these documents apply to end-users (i.e. asset owner), system integrators, security practitioners, and control systems manufacturers responsible for manufacturing, designing, implementing, or…
Training Course: Machine Functional Safety Engineering
This Course is Also Offered Online IEC61508 is the foundation for many industries, including Machine Safety. Today, ISO13849 and IEC62061 are 2 main distinctive standards used as the building blocks. Machine safety is particularly relevant to professionals who are responsible for validating the safety of machines that use either simple…
Glossary Term: IEC 62061
Safety of machinery - Functional Safety of electrical, electronic and programmable electronic control systems This standard was first published in 2005. It is particularly relevant to professionals who are responsible for validating the safety of machines that use complex systems such as PLC’s for safety duties. New standards such as…
Blog Entry: Dare to Be Different
exida is often posed questions regarding our failure rates used in Failure Modes, Effects and Diagnostic Analysis (FMEDA) for products used in safety-related systems. Today I would like to focus on a question that was recently asked: “What if my products are unique or different than products typically used in…
Glossary Term: Stuxnet
Stuxnet is a computer worm discovered in June 2010. It is speculated to have been created by United States and Israeli agencies to attack Iran’s nuclear facilities. Stuxnet initially spreads via Microsoft Windows, and targets Siemens industrial control systems. While it is not the first time that hackers have targeted…
Glossary Term: ISASecure
The ISASecure™ program recognizes and promotes cyber-secure products and practices for industrial automation suppliers and operational sites. The ISASecure™ designation is earned by industrial control suppliers for products that demonstrate adherence to an industry consensus cyber security specification for security characteristics and supplier development practices. Become part of the movement…
BETA B.V. - BETA Pressure, Temperature and Vacuum Switches
IEC 61508 in the Safety Automation Equipment List
Glossary Term: CHAZOP
Control Hazard and Operability Study (CHAZOP) is a procedure for carrying the safety and reliability analysis of existing or planned Control and Computer systems. The technique is similar to, and has been adopted from the Hazard and Operability analysis (HAZOP) procedure that is widely used and is very successful for…
Glossary Term: Automotive Safety Integrity Level (ASIL)
Automotive Safety Integrity Level (ASIL) is a risk classification scheme defined by the ISO 26262 - Functional Safety for Road Vehicles standard. This is an adaptation of the Safety Integrity Level used in IEC 61508 for the automotive industry. This classification helps defining the safety requirements necessary to be in…
Glossary Term: ISO 13949
Method for the assessment of the degree of pigment dispersion in polyolefin pipes, fittings and compounds.
Glossary Term: ISO 26262
ISO 26262 is a Functional Safety standard, titled “Road vehicles – Functional safety”. Functional safety features form an integral part of each product development phase, ranging from the specification, to design, implementation, integration, verification, validation, and production release. The standard ISO 26262 is an adaptation of the Functional Safety standard…
Glossary Term: Functional Safety Management Plan (FSM)
The Safety Plan or Functional Safety Management (FSM) Plan is a key document in any IEC 61508 / ISO 26262 development project. It specifies how functional safety will be ensured throughout the entire development project and in production. The Safety Plan must identify the various roles and responsibilities as they…
Glossary Term: Zone
The international method of specifying the probability that a location is made hazardous by the presence, or potential presence, of flammable concentrations of gases and vapors. NOTE: Zone classification has not yet been defined for dust. Zone 0: Classification of a location in which an explosive concentration of a flammable…
Glossary Term: Zero shift
A change in the output in response to a zero input over a specified period of time and at room conditions.. NOTE: This error is characterized by a parallel displacement of the entire calibration curve [S37. 1]. 2. A shift in the instrument calibrated span evidenced by a change in…
Glossary Term: Windup
Saturation of the integral mode of a controller developing during times when control cannot be achieved, which causes the controlled variable to overshoot its set point when the obstacle to control is removed.
Glossary Term: Wearout
The point where a piece of equipment has accumulated enough stress and weakened to the point where its failure rate increases significantly. Note that since essentially all safety systems assume a constant failure rate, theye must be replaced before they reach this wearout point.
Glossary Term: Vortex flow meter
A device that measures flow by sensing the movement of vortices in a pipe or conduit. The instrument usually is constructed with a partial barrier (vortex shedder) inserted perpendicular to the flow to allow formation of vortices, and sensor(s) to detect the passing vortices. The vortices are shed from one…
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