[SystemSafety] ROHS and Safety critical applications

[Martyn Thomas]

There is guidance, a list of exemptions and a decision tree in the UK
regulatory guidance document.
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/499732/RoHS_Guidance._Accessible.pdf

Martyn


On 23/01/2017 21:38, Amund Westin wrote:
>
> The EU directive ROHS (Restriction Of Hazardous Substances) cover
> almost all kind of Electrical and Electronic Equipment (EEE). The
> scope is to reduce the amount of lead, Mercury, Cadmium and some other
> substances. This means that most EEEs have to be produced with lead
> free components and solder.
>
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>
> As far as I can see, there are no exemptions for safety critical
> applications. ROHS applies.
>
> I would like to hear from you guys doing safety critical design, that
> you have the same understanding.
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> Thanks .
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> Cheers
>
> Amund  
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> *Fra:*systemsafety
> [mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de] *På vegne
> av* Mike Ellims
> *Sendt:* 4. januar 2017 22:18
> *Til:* 'GRAZEBROOK, Alvery N' <alvery.grazebrook at airbus.com>; 'The
> System Safety List' <systemsafety at techfak.uni-bielefeld.de>
> *Emne:* Re: [SystemSafety] Apple being sued for illegal use of Facetime
>
>  
>
> I’m not so sure that’s a great idea. Our new Mondeo has a system to
> that is supposed to detect “driver fatigue”. The rate of false
> positives is positively maddening and it took ages to find the tiny
> little “OK” button on the steering wheel so I could get rid of the
> &^%$£ stupid message in the middle of the dashboard display (an LDC
> simulating analogue dials).
>
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> The number of little buttons (and I mean little as in small) is in
> itself is positively maddening...
>
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>
> *From:*systemsafety
> [mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de] *On
> Behalf Of *GRAZEBROOK, Alvery N
> *Sent:* 04 January 2017 17:43
> *To:* The System Safety List
> *Subject:* Re: [SystemSafety] Apple being sued for illegal use of Facetime
>
>  
>
> If you are going to follow this line of thinking, it seems to me that
> the car manufacturers are more in line for criticism than the phone
> manufacturer. It is the car that is the “injuring device”, not the
> mobile phone, so it makes more sense to install protection in the car
> than it does to put protection functions in the phone.
>
>  
>
> Going back to PBL’s original argument, the problem is the distraction
> of drivers from the primary activity of driving. I’d have thought
> there was a case to expect the car designers to monitor that the
> driver is paying attention to the road. This is at least somewhat
> analogous to putting kickback protection on the table-saw.
>
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> There are already designs for systems to monitor drivers by observing
> their direction of gaze and head-attitude. I came across it in systems
> designed to detect drunk driving. I’d be amazed if no-one has improved
> them to monitor drivers failing to pay attention to the road for other
> reasons.
>
>  
>
> Cheers,
>
>             Alvery
>
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>
> ** these opinions are my own, not necessarily those of my employer.
>
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>
> *From:*systemsafety
> [mailto:systemsafety-bounces at lists.techfak.uni-bielefeld.de] *On
> Behalf Of *Chuck_Petras at selinc.com <mailto:Chuck_Petras at selinc.com>
> *Sent:* 04 January 2017 4:58 PM
> *To:* Peter Bernard Ladkin
> *Cc:* The System Safety List
> *Subject:* Re: [SystemSafety] Apple being sued for illegal use of Facetime
>
>  
>
> In regards to this
>
> > Are manufacturers responsible for inhibiting illegal use of their products?
>
> You may find this interesting.
>
> *Table Saw Accident Victims May Qualify to File a Lawsuit and Seek
> Settlement Compensation *
>
> "Despite safety technology that could prevent many of the most serious
> table saw injuries, the manufacturers of these tools have failed to
> equip them with their products. Table saw users who suffered
> amputations, lacerations, avulsions, or other injuries may be eligible
> to file a lawsuit against the table saw manufacturer and receive
> compensation."
>
> "Since 2003, manufacturers of table saws have had access to
> flesh-detection technology called SawStop, which would prevent
> amputations and injuries to human flesh. However, these companies have
> chosen not to add the technology to their machinery. The reason?
> Adding this vital safety feature might increase the expense of
> production – a cost they would ultimately pass on to the consumer.
> What manufacturers don’t seem to consider is that the cost of making
> safer tools might still be less than money spent in table saw injury
> lawsuits."
>
> https://www.hg.org/article.asp?id=34083
>
>
> Chuck Petras, PE**
> Schweitzer Engineering Laboratories, Inc
> Pullman, WA  99163  USA
> http://www.selinc.com <http://www.selinc.com/>
> Tel: +1.509.332.1890
>
> SEL Synchrophasors - A New View of the Power System
> <http://synchrophasor.selinc.com <http://synchrophasor.selinc.com/>>
>
> Making Electric Power Safer, More Reliable, and More Economical (R)
>
> ** Registered in Oregon.
>
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