‘iec61508’
A Engineeringtalk guide
Start with the news release
Universal controller for vehicle hydraulics from
Sensor-Technik UK, which we summarised at the time by saying "The STW ESX is a freely programmable universal controller that is ideal for vehicle hydraulic systems. ".
Several months prior to that,
we featured the news release Lenze offers inverter with integrated positioner from
Lenze: "Lenze has released an inverter that has an integrated positioner as standard - the 8400 HighLine frequency inverter, part of the Lenze L-force portfolio.".
In August 2008, we covered the news from K-Tek
- take a look at Liquid level transmitters qualify for SIL 2
which says: "AccuTrak transmitters are the only magnetostrictive transmitters in the industry to be certified to the exacting IEC61508 safety standard.".
Take a look also at the news release from ARC Advisory Group, Increased demand for safety systems,
as well as Safety switches preserve productivity from Rockwell Automation (Allen-Bradley Guardmaster ),
and Functional safety explained from ABB Automation Tech (Instrumentation + Automation).
Latest stories...
Noncontact switches mix safety with practicality (April 2008)
SensaGuard's large sensing range and tolerance to misalignment combine to form a cost-effective solution that covers a wide range of industrial safety applications.
Safety specification is added to Sercos III (April 2008)
Users of Sercos III real-time Ethernet technology can now rely on an established network-spanning safety protocol.
Input module enables on-machine safety (March 2008)
SafetyBus p input module saves costs for machine builders and system integrators as it can be installed directly on the machine.
Safety system integration gains seal of approval (March 2008)
Functional safety management system complies with international standards and has all the relevant documentation, functional safety assessments and company specific safety life cycle phases.
Off-highway controller is certified to SIL 3 (February 2008)
The TTC 200 is the first ECU in the worldwide off-highway market that allows applications to be created up to Safety Integrity Level 3.
Alliance targets safety-critical software (January 2008)
Ixxat is to develop a portable stack software for the CIP Safety on Sercos safety protocol.
Sensors suit dangerous environments (November 2007)
Impress Sensors and Systems' temperature limiters/controllers, pressure transmitters, screw-in transmitters, submersible probes and level control switches suit hazardous area applications.
Safety controller offers versatility (October 2007)
The SC22-3 features 22 input terminals, which monitor both contact-based and PNP solid-state input devices.
Further reading
-
When it comes to safety, IEC61508 has it covered
As compliance with the IEC61508 standard becomes a requirement for an increasing number of companies, Stuart Nunns and Roger Prew explain the ins and outs of achieving it.
-
Wallchart explains IEC61508 compliance
ABB has devised a step-by-step wallchart to help engineers assess their process safety and design measures to meet the requirements of the new IEC61508 standard.
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