Re: [PSES] Help [General Use]

[Coleman, David (Leonardo, UK)]

Thanks to all those who pointed me in the right direction and I'm pleased to 
have provided a modicum of humour on a Friday :)

Best Regards,


Dave Coleman AIIRSM
Selex ES Ltd

"Usually I try to take it one day at a time, but lately several have attacked 
me at once..."


-Original Message-
From: John Allen [mailto:john_e_al...@blueyonder.co.uk] 
Sent: 15 July 2016 19:13
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Help [General Use]

*** WARNING ***

 This message has originated outside your organisation, 
  either from an external partner or the Global Internet. 
  Keep this in mind if you answer this message.
 

I replied directly to him (only) this morning and he said that the post was
not intended for the whole forum! He needed help on getting some email
addresses off the distribution list, so I pointed him (I hope) in the right
direction.

Therefore, on David's behalf, I think this (nevertheless quite amusing!)
chain of posts should probably stop now.

John E Allen
W.London, UK

-Original Message-
From: John Woodgate [mailto:jmw1...@btinternet.com] 
Sent: 15 July 2016 17:22
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Help [General Use]

The one marked 'Missile launch'?

With best wishes DESIGN IT IN! OOO - Own Opinions Only www.jmwa.demon.co.uk
J M Woodgate and Associates Rayleigh England

Is there a homeopathic remedy for excessive gullibility?


-Original Message-
From: Brian O'Connell [mailto:oconne...@tamuracorp.com]
Sent: Friday, July 15, 2016 4:50 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Help [General Use]

My professional advice for Mr. Coleman is to press the Big Red Button.

Brian

From: John Woodgate [mailto:jmw1...@btinternet.com]
Sent: Friday, July 15, 2016 12:31 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Help [General Use]

I can understand that anyone in Basildon would cry for help on general
principles, but could you be a bit more explicit on what sort of help you
are seeking?

With best wishes DESIGN IT IN! OOO - Own Opinions Only www.jmwa.demon.co.uk
J M Woodgate and Associates Rayleigh England

Is there a homeopathic remedy for excessive gullibility?

From: Coleman, David (Leonardo, UK)
[mailto:david.cole...@leonardocompany.com]
Sent: Friday, July 15, 2016 7:52 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Help [General Use]

HELP

Selex ES Ltd
Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex
SS14 3EL A company registered in England & Wales.  Company no. 02426132

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Ji

[PSES] Help [General Use]

[Coleman, David (Leonardo, UK)]

HELP

Selex ES Ltd
Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex SS14 
3EL
A company registered in England & Wales.  Company no. 02426132

This email and any attachments are confidential to the intended
recipient and may also be privileged. If you are not the intended
recipient please delete it from your system and notify the sender.
You should not copy it or use it for any purpose nor disclose or
distribute its contents to any other person.


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[PSES] Transmission licences for EMC Test chambers in UK [General Use]

[Coleman, David (Leonardo, UK)]

One of our EMC test chambers has had to apply for a Non-Operational 
Transmission licence (now issued), from Ofcom here in the UK, despite arguments 
that any emissions were mitigated by the 100dB screening (or more), provided by 
the chamber. Ofcom are also apparently insisting on licences for test equipment 
driving into dummy loads.

Anyone had a similar experience?
Best Regards,

Dave Coleman
LEONARDO / Selex ES Ltd

Selex ES Ltd
Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex SS14 
3EL
A company registered in England & Wales.  Company no. 02426132

This email and any attachments are confidential to the intended
recipient and may also be privileged. If you are not the intended
recipient please delete it from your system and notify the sender.
You should not copy it or use it for any purpose nor disclose or
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[PSES] Safer: 50/60 Hz or 400 Hz?

[Coleman, David (Selex ES, UK)]

I'm reviewing a safety case report for a military system and it has the 
following statement for electrocution hazard:

Assumes 115V 60Hz supply as this will kill, 400Hz supplies would just cause 
shock rather than electrocution.

I've Googled this with no definitive results justifying this statement.

Can anyone support or refute this?

Best Regards,
Dave Coleman AIIRSM
Selex ES | Genesis House, 1st Avenue, Millbrook Ind. Est., Southampton, SO15 
0LG, United Kingdom
* +44 (0)2380 51 4218
È +44 (0) 7793 420560
* david.cole...@selex-es.com
* david.coleman@ selex-es.r.mil.uk 
"Usually I try to take it one day at a time, but lately several have attacked 
me at once..."

Selex ES Ltd, acting through Selex ES Infrared Ltd whose registered office is 
located at Sigma House, Christopher Martin Road, Basildon, Essex SS14 3EL, 
having a place of business at First Avenue, Millbrook Industrial Estate, 
Southampton, Hampshire, SO15 0LG, England

This email and any attachments are confidential to the intended
recipient and may also be privileged. If you are not the intended
recipient please delete it from your system and notify the sender.
You should not copy it or use it for any purpose nor disclose or
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Re: [PSES] air activated finger probes

[Coleman, David (Selex ES, UK)]

Camera air powered shutter release - uses a squeezable bulb and a small 
actuator. Available from most photographic suppliers.

Best Regards,
Dave Coleman AIIRSM
Selex ES | Genesis House, 1st Avenue, Millbrook Ind. Est., Southampton, SO15 
0LG, United Kingdom
* +44 (0)2380 51 4218
È +44 (0) 7793 420560
* david.cole...@selex-es.com
* david.coleman@ selex-es.r.mil.uk 
"Usually I try to take it one day at a time, but lately several have attacked 
me at once..."

From: Julian Jones [mailto:ju...@hursley-emc.co.uk]
Sent: 04 November 2014 15:36
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] air activated finger probes


*** WARNING ***

This message has originated outside your organisation,
  either from an external partner or the Global Internet.
  Keep this in mind if you answer this message.
I am looking to make up a simple  pneumatic system to press a couple of keys on 
a keyboard and move a mouse.

Has anyone made up such a kit ?

Some years ago I looked at this and there seemed to be lots around, now 
searching on Google I can't find any,  or my search parameters are wrong.

Any input gratefully received.

Rgds

Julian




Julian Jones
Hursley EMC Services
Tel:   023 8027 
ddi:   023 8024 0851
Mob: 07787 523 607
julian.jo...@hursley-emc.co.uk
Trafalgar House, Trafalgar Close, Chandlers Ford
EASTLEIGH, Hampshire, SO53 4BW
Company Registration 3301279

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Selex ES Ltd, acting through Selex ES Infrared Ltd whose registered office is 
located at Sigma House, Christopher Martin Road, Basildon, Essex SS14 3EL, 
having a place of business at First Avenue, Millbrook Industrial Estate, 
Southampton, Hampshire, SO15 0LG, England

This email and any attachments are confidential to the intended
recipient and may also be privileged. If you are not the intended
recipient please delete it from your system and notify the sender.
You should not copy it or use it for any purpose nor disclose or
distribute its contents to any other person.


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[PSES] FCC for military equipment?

[Coleman, David (Selex ES, UK)]

We are struggling to determine whether a Trigger Trainer Demonstrator System 
for the US is required to be FCC approved.  Given that the requested frequency 
for the units is in the ISM band in ITU Region 2, can we claim that the 
equipment is out-of-scope for FCC Regulations as it is deemed to be military 
equipment?  Or, are we required to achieve FCC approval for the equipment as it 
can only be considered as military equipment in military frequency bands?

Best Regards,
Dave Coleman AIIRSM
Selex ES | Grange Road, Christchurch, Dorset BH23 4JE, United Kingdom
* +44 (0) 1202 400464
È +44 (0) 7793 420560
* david.cole...@selex-es.com
* david.coleman@ selex-es.r.mil.uk 
"Usually I try to take it one day at a time, but lately several have attacked 
me at once..."

Selex ES Ltd
Registered Office: Sigma House, Christopher Martin Road, Basildon, Essex SS14 
3EL
A company registered in England & Wales.  Company no. 02426132

This email and any attachments are confidential to the intended
recipient and may also be privileged. If you are not the intended
recipient please delete it from your system and notify the sender.
You should not copy it or use it for any purpose nor disclose or
distribute its contents to any other person.


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RE: More CE mark issues...

[Coleman, David]

David,

Thanks for your reply. 
The safety of our product and the lengths we go to ensure that safety, is
not the issue here. The question I am seeking clarification on is purely
whether we should be CE marking the IA or not. It revolves round the status
of the IA as a component of a larger ATE, that is as you say, a very
expensive paperweight when not assembled to the ATE. The issue of it being
'military' equipment is muddied by the fact that very often we are a
sub-contractor in the chain of supply.
Any thoughts?
Dave C.


From: David Sproul [mailto:david.spr...@alexanderlynn.co.uk]
Sent: Tuesday, November 11, 2003 1:21 PM
To: Coleman, David
Cc: EMC-PSTC
Subject: RE: More CE mark issues...


Hi David,
I can only answer with my own opinion which will probably be both backed up
and refuted by others who may respond.
First of all, military equipment does not have to be CE marked, unless that
has been changed very recently.  However if the equipment has to go to
Germany, they apparently insist that electronic military equipment be CE
marked.

>From your description it would appear that, to your customer at least, your
IA is the part of the ATE that they will access most.
Although you are not responsible for the safe design of the ATE, unless you
are selling it to the customer, (then you share responsibility with the
manufacturer) you are responsible for your IA.

You must therefore ensure that it is safe for your customers to use.
Supplies passing through your IA from the ATE to the customers equipment
must be handled in an acceptably safe manner.  Since you are familiar with
EN 61010 you will be aware of the potential hazards you should protect
against.  From discussions with individuals from within your organisation I
know that your company can be very thorough in their risk assessment, so
identifying those risk probably won't be a problem to you either.

As you will be aware, a recent string in this group has been discussing when
to CE mark and when not.  I will dare to suggest that since without the ATE
your IA is an expensive paperweight, you need not CE mark it.  However, this
does not release you from your obligations to ensure it is safe for your
customers to use.

I hope this has helped.  Undoubtedly confusion will still reign when others
tell you that they agree with me, while other will suggest that I should
find another profession.

Best regards,
David Sproul


From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Coleman, David
Sent: 11 November 2003 08:36
To: EMC-PSTC
Subject: More CE mark issues...



My company designs and manufactures ATE systems and components for the
Military, Aerospace and Functional test markets. Often what we are supplying
is just an interface adapter (IA) that sits between another suppliers ATE
and the customers unit under test (UUT).

An IA consists of a metal box mounted on the front of the ATE, with I/O
connectors on most panels. Whilst it is normally the case that the IA
consists entirely of passive components, they do route AC power through to
the UUT. From an EMC point of view, as they are passive and a component of a
larger system (the ATE), the EMC directive need not apply.

The problem is the LVD. Whilst we design and manufacture the item to meet
the relevant harmonised standard (EN61010), the safety of the IA is often
heavily dependant on the parent ATE (for which we are not the design
authority), due to the use of safety features in the ATE (i.e. interlocks
etc.)

Historically, we have not CE marked these IAs. Are we correct?

regards,
Dave Coleman
Racal Instruments Group


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More CE mark issues...

[Coleman, David]

My company designs and manufactures ATE systems and components for the
Military, Aerospace and Functional test markets. Often what we are supplying
is just an interface adapter (IA) that sits between another suppliers ATE
and the customers unit under test (UUT). 

An IA consists of a metal box mounted on the front of the ATE, with I/O
connectors on most panels. Whilst it is normally the case that the IA
consists entirely of passive components, they do route AC power through to
the UUT. From an EMC point of view, as they are passive and a component of a
larger system (the ATE), the EMC directive need not apply.

The problem is the LVD. Whilst we design and manufacture the item to meet
the relevant harmonised standard (EN61010), the safety of the IA is often
heavily dependant on the parent ATE (for which we are not the design
authority), due to the use of safety features in the ATE (i.e. interlocks
etc.)

Historically, we have not CE marked these IAs. Are we correct?

regards,
Dave Coleman
Racal Instruments Group


**
IMPORTANT NOTICE

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be legally privileged. It is intended only for the stated addressee(s) 
and access to it by any other person is unauthorised. If you are not 
an addressee, you must not disclose, copy, circulate or in any other 
way use or rely on the information contained in this e-mail. Such 
unauthorised use may be unlawful.

If you have received this e-mail in error, please inform 
Racal Instruments Group Ltd. immediately by 
emailing  postmas...@racalinstrumentsgroup.co.uk 
or 
phoning +44 (0)1202 872800  (ask for the I.T. Dept.) 
and delete it and all copies from your system.

www.racalinstrumentsgroup.co.uk

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RE: Q. on Res Bandwith performace traceabiity

[Coleman, David]

John,

Why would the IEC standard for miniature fuses detail these abbreviations???
I think you have the wrong standard!

Dave C.


From: John Woodgate [mailto:j...@jmwa.demon.co.uk]
Sent: Wednesday, September 03, 2003 7:42 AM
To: emc-p...@majordomo.ieee.org
Subject: Re: Q. on Res Bandwith performace traceabiity



I read in !emc-pstc that Brent DeWitt  wrote (in
) about 'Q. on Res
Bandwith performace traceabiity' on Tue, 2 Sep 2003:
>Are we done now?

No. All you guys are using non-standard abbreviations. Go read IEC
60127-3. (;-)
-- 
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk

Interested in professional sound reinforcement and distribution? Then go to 
http://www.isce.org.uk
PLEASE do NOT copy news posts to me by E-MAIL!


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RE: circular connectors for power & meeting EU regs

[Coleman, David]

I should have expanded a little - I am looking for any military style,
metal-shelled connectors, along the line of the Mil-C-38999. The IEC 60309
connectors are to big and 'clunky' for use on the front panel of rack mount
test equipment.

Dave Coleman


From: John Woodgate [mailto:j...@jmwa.demon.co.uk]
Sent: Monday, August 18, 2003 5:08 PM
To: emc-p...@majordomo.ieee.org
Subject: Re: circular connectors for power & meeting EU regs



I read in !emc-pstc that Coleman, David 
wrote (in <7103C9D213EBD111971400104B4968149EC0A7@ntexch-
f.racalinst.co.uk>) about 'circular connectors for power & meeting EU
regs' on Mon, 18 Aug 2003:
>Has anyone any knowledge of a series of circular connectors rated for 
>power use (115Vac, 3-phase) and has approval to European standards (ie 
>with grounded shell, leading earth, creepage & clearance)? 

See IEC/EN 60309-1 and -2. Not 'grounded shell': these have all-
insulating bodies.
-- 
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk

Interested in professional sound reinforcement and distribution? Then go to 
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PLEASE do NOT copy news posts to me by E-MAIL!


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circular connectors for power & meeting EU regs

[Coleman, David]

Has anyone any knowledge of a series of circular connectors rated for power
use (115Vac, 3-phase) and has approval to European standards (ie with
grounded shell, leading earth, creepage & clearance)?

Regards,
Dave Coleman
*   email:  mailto:david.cole...@racalinst.co.uk
*   website:



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Guide for service technicians working on live equipment

[Coleman, David]

Does anybody have, or know the location of, a simple introductory how-to
guide for service technicians working on live (230V) equipment (e.g. test &
measurement, RF sources, monitors etc.). I'm thinking of the practical
precautions and procedures.

IEC 60900, IEC 61472, IEC 61477, IEC 6 give some guidance, but they are
mainly aimed at the power distribution industry.

Any help appreciated,
Dave Coleman
Product Compliance Officer
Racal Instruments


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or 
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www.racalinstrumentsgroup.co.uk

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RE: LED lamps

[Coleman, David]

Ian,
 
BS EN 60825-1 covers both lasers and LEDs.
 
regards
Regards, 
Dave Coleman 
Product Compliance Officer 
RACAL Instruments Group Ltd. 
29-31 Cobham Road 
Ferndown Industrial Estate 
Wimborne, Dorset 
BH21 7PF, UK 



From: McBurney, Ian [Allen & Heath UK] [mailto:ian.mcbur...@allen-heath.com]
Sent: Thursday, July 24, 2003 9:09 AM
To: emc-p...@majordomo.ieee.org
Subject: LED lamps


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Dear Group;

My company is in the process of designing a low voltage gooseneck lamp using
super bright white LEDs. I have been informed that LEDs are now classed as
laser devices and are subject to specific standards. Can anyone let me know
which standards will apply to this product as it is intended to be sold
worldwide?

Many thanks;

Ian McBurney.

Allen & Heath Limited.

email: ian.mcbur...@allen-heath.com







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