Re: [PSES] [EXTERNAL] Re: [PSES] Machine status visual Indicators

EN 60204-1 also says: Indicating towers on machines should have the applicable colours in the following order from the top down; RED, YELLOW, BLUE, GREEN and WHITE. This is a “should” and not a “shall”, so it is not compulsory to follow this convention, but it does seem to imply that the

Re: [PSES] Machine status visual Indicators

Thank you all for your comments.  The color blind aspect is important. Thanks all.Sent from my T-Mobile 5G Device Original message From: Steve Brody Date: 6/23/23 2:52 PM (GMT-05:00) To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Machine status visual Indicators

Re: [PSES] Machine status visual Indicators

Good point. That's how drivers can cope. == Best wishes John Woodgate OOO-Own Opinions Only www.woodjohn.uk Rayleigh, Essex UK I hear, and I forget. I see, and I remember. I do, and I understand. Xunzi (340 -

Re: [PSES] Machine status visual Indicators

Hi Steve! I don't have a copy of that standard but I'm picturing the red/yellow/green towers on things like manufacturing floor hipot testers. Have you considered the colorblind user who might not be able to discern yellow from red, but on a 'stoplight'-like tower, can at least use the

Re: [PSES] Machine status visual Indicators

Steve, I recommend that you include this concern in your Risk Assessment to determine whether the LED color is critical to safety or not. You can then record your level of risk and compare it to your risk tolerance. Include all possible failure modes, such as LED failure, incorrect polarity,

Re: [PSES] Machine status visual Indicators

Go for it! Rich From: Steve Brody Sent: Friday, June 23, 2023 11:52 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Machine status visual Indicators Experts, I have a client who would like to use a single LED capable of multiple colors instead of a mutli-lamp light tower

[PSES] Machine status visual Indicators

Experts, I have a client who would like to use a single LED capable of multiple colors instead of a mutli-lamp light tower that we are used to seeing. It can produce the required colors in accordance with 60204-1, Table 4. I have read through 60204-1 (machinery) safety and 61310-1

[PSES] FW: Regulatory & Standard Updates / Oct 2021

Hi Brian: I have found this listing to be useful. Unfortunately, I don’t know how to subscribe. Good luck! Rich From: TÜV Rheinland North America Sent: Tuesday, November 30, 2021 8:58 AM To: ri...@ieee.org Subject: Regulatory & Standard Updates / Oct 2021 If you

Re: [PSES] IEC 82368-1 3rd Ed and MOV test

Hi Peter: You are not alone in finding the MOV requirements in Annex G.8 of IEC 62368-1 to be very confusing. There has been a lot of confusion over Annex G.8 In an effort to help clear up some of the confusion, I wrote an article in the October 2018 issue of Incompliance Magazine. The

[PSES] IEC 82368-1 3rd Ed and MOV test

Hello group, Does anyone know what the is purpose of introducing Clause G8? What purpose does it serves and why was it introduced? It seems to me that is almost impossible to comply with this clause  unless you remove the MOV which brings EMI issues. I am working with a client who makes desktop

Re: [PSES] Techstreet Tracking standards

Interesting. I looked at Techstreet history and it says that a division of ASME bought out Techstreet. Regards, Tom Smith, P.Eng Principal Engineer TJS Technical Services Inc. Tel: +1 403-612-6664 Email: tsm...@tjstechnical.com

Re: [PSES] Techstreet Tracking standards

Word is that IEEE/SA bought up Techstreet a while back.My Chrome browser automatically routes me to IEEE/SA. The Edge browser gets me to the old Techstreet page, and tells me that I'm already registered :-) So, they must be one... at some point! Brian Gregory 720-450-4933 --

Re: [PSES] Tracking standards updates

Hi Brian, I subscribe to ANSI Standards Action. Standards Action is ANSI's free weekly publication covering current standards development activities in the U.S. and internationally. https://www.ansi.org/resource-center/standards-action Chuck in Berkeley From: Scott Aldous

Re: [PSES] Tracking standards updates

Hi Brian, If you are only interested in getting updates on standards, Techstreet has a free service that is helpful, which you can tailor to get updates on the specific standards you are interested in. On Tue, Jun 20, 2023 at 2:17 AM

Re: [PSES] Tracking standards updates

Dear Brian To keep up to date with TEC standard updates you can get a free subscription to the IEC Webstore monthly IEC Just Published Newsletter via Email. You can subscribe at: IEC - International Electrotechnical Commission

Re: [PSES] Tracking standards updates

Hi Brian, Another option would be the IEC public commenting service to get access & comment on IEC draft standards: https://www.iec.ch/how-get-involved/public-commenting The service will notify you by e-mail as new drafts become available, access is possible during the comment period.

Re: [PSES] Tracking standards updates

Hi Brian: Here are two suggestions: Nemko "News in Brief" by Trond Sollie https://www.nemko.com/newsletter-signup?utm_campaign=GL+%7C+News+In+Brief+%7 C+2023

Re: [PSES] [EXTERNAL] [PSES] Tracking standards updates

Hi Brian, The IEC webstore has a "Just Published" section. You can subscribe to a weekly email update or you can use the RSS feed. That's probably the fastest and easiest way to get IEC updates. You can also look at the work of individual technical committees. For

Re: [PSES] Tracking standards updates

Brian, For IEC and EN, EVS in Estonia (www.evs.ee) has a Information Service. You can set up an account there and tell them what standards you want monitored for changes. For general standards, Techstreet.com has a standards tracker. This should cover standards for US and for UK also.

[PSES] IEC62368-1 3rd Ed Annex G8

Hello group, Does anyone know what the is purpose of introducing Clause G8? What purpose does it serves and why was it introduced? It appears the cause is almost impossible to comply with unless you remove the MOV which brings EMI issues. I am working with a client who makes desktop adapter

Re: [PSES] Tracking standards updates

Hello Brian, All, I purchase my IEC/EN standards from EVS- Estonian Standards. They track the standards that I purchase and let me know when changes are made. We also refer to the Official Journal, and other information sites. We hereby inform you that changes have taken place in the ICS

[PSES] Tracking standards updates

Good afternoon compliance colleagues, Have a curiously open-ended question from a major OEM who's very process-oriented.So, I'm gathering ideas on how to track standard updates and changes in multiple markets (US, EU, etc.). I'm familiar with IAEI for collaborating with NA inspectors on NEC

Re: [PSES] Generic radio standard for aeronautical service

Amund Have a look at: ETSI EN 302 617 V2.3.1 ETSI EN 301 842-5 V2.1.1 ETSI EN 301 489-22 V2.1.1 Best regards Charlie Charlie Blackham Sulis Consultants Ltd Tel: +44 (0)7946 624317 Web: https://sulisconsultants.com/ Registered in England and Wales, number 05466247 -Original Message-

Re: [PSES] SV: [PSES] Generic radio standard for aeronautical service

I wouldn't expect those SDOs necessarily to produce standards on aviation radio. Apart from national regulations, have you tried to find if there are any ICAO standards? == Best wishes John Woodgate OOO-Own

[PSES] SV: [PSES] Generic radio standard for aeronautical service

Thanks Charlie It's an ILS system. https://en.wikipedia.org/wiki/Instrument_landing_system Currently, there are no existing ETSI/EN/IEC standards covering radio tests. Only these German standards are in place:

Re: [PSES] Generic radio standard for aeronautical service

I suggest to start here: https://www.etsi.org/technologies/aeronautical?jjj=1686687018700 an scroll down. No guarantee, but it might help. == Best wishes John Woodgate OOO-Own Opinions Only www.woodjohn.uk

Re: [PSES] Generic radio standard for aeronautical service

Amund The only "generic" radio standards are the ones for "short range devices", EN 300 330, EN 300 220 and EN 300 440 and newer versions of those standards under development A full list of all ETSI RED published and work-in-progress standards is available at

[PSES] Generic radio standard for aeronautical service

After some searching, we see that there is a lack of radio standards that cover an important ground-based product / system within aeronautical services. How should we proceed with finding relevant test requirements? Are there any generic radio requirements that can be used as a basis? BR Amund

[PSES] AU/NZ Commercial-Industrial Power Plug

Hello All, Just wondering if someone could offer some insight here. We have a product rated 240V, 20A, single phase intended for the Australian/New Zealand markets. Just wondering which male plug configuration is more popular/standard for higher current applications ... the 20A/240V plug

[PSES] Job opening for Sr. Product Compliance Engineer

Hello Group, We have just posted a job opening for a Sr. Product Compliance Engineer for Tektronix. Working for the Keithley Instruments product line out of the Keithley office in Solon, OH and I wondered if you or any of your colleagues might like to apply. Link below for more information.

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

Of course, I think we all understand, or at least I hope so, that artificial intelligence cannot replace real humans in the world of product safety engineering. My previous email was intended to jokingly point out its shortcomings. And I had thought this would be obvious. As for the future of

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

The fundamental problem with ChatGPT’s architecture is that it axiomatically CANNOT “know” what any words mean. Without there being a conscious observer to actually associate words with sensory experiences, it might as well be gibberish for all the algorithm cares. It doesn’t “know” anything.

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

ChatGPT is not “artificial intelligence”. It’s a “word calculator” IMO and I have a strong CS background. From: Vincent Lee <08e6c8d35910-dmarc-requ...@listserv.ieee.org> Sent: Saturday, June 10, 2023 8:45 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Looking for AI or machine vision

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

I don't think that the original suggestion was serious. But a chatbot trained only on standards from one SMB could probably do quite a good job, apart from assigning numbers to specifications. == Best wishes

[PSES] Looking for AI or machine vision related ISO standards for safety

Hi all, ChatGPT is NOT specifically designed for product safety purposes.It can only give very general results, then it is the job of product safety professionals to add the missing details. In my work, I don't use ChatGPT, since it is not a tool designed for product safety which is a highly

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

Hi David, I don't know if this is what you are looking for, but you could check out ISO/IEC 23894 . On Fri, Jun 9, 2023 at 12:15 PM Douglas Powell wrote: > Aside from all the news articles about problems with ChatGPT, I've tried a > few things myself.

[PSES] Looking for a MX-2100 used shielded room 8ft x 10ft x 8ft

Folks, if anyone of you know of a used shielded room for sale in CA do let me know. we are planning to do some RF testing in house. Thanks in advance regards Christopher Saleem590 Alder driveMilpitas, CA 95035 - This message is from

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

Aside from all the news articles about problems with ChatGPT, I've tried a few things myself. For example, "*write a complete test protocol for IEC 62368-1 for a desktop audio streaming amplifier weighing less than 7 kg.*" Of course, gave me a fairtly detailed but generally incomplete responses

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

Friday’s attempt at humor… So how about using the text generator ChatGPT to write the standard draft? Chuck in Berkeley From: Vincent Lee <08e6c8d35910-dmarc-requ...@listserv.ieee.org> Sent: Thursday, June 8, 2023 7:05 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Looking for AI or

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

Huff, No national nor international is available yet. AI is more closely related to computer science than product safety.And who knows AI may experience another winter, since there were AI winter in 1980s - 1990s. Regards, Vincent On Wednesday, June 7, 2023 at 10:37:35 PM GMT+8, David Huff

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

Hi David, At the moment, only one machinery related standard even opens the door for AI in functional safety systems: ISO 13849-1:2023. That standard only says that AI “can be used,” but immediately goes on to say that no information on how to do that or how to validate the results are given

Re: [PSES] Looking for AI or machine vision related ISO standards for safety

Hi David: If you are looking for product safety, I would say that product safety should be independent of AI, or, indeed, of any software. However, some new power distribution schemes involve "handshaking" (which is software controlled) before power can be delivered. So, before power

Re: [PSES] Foreign Object Detection for industrial charger

You can typically find a UL committee's activities and membership names and affiliations (but not contact information) on the UL standards website. You may have to register. Once you register, you can also request that ongoing revision drafts of specific standards are notified to you, so you

[PSES] Looking for AI or machine vision related ISO standards for safety

All, I am working to guide a design that uses Artificial Intelligence and machine vision thru a certification type process (CE Mark) and I am looking for ISO or IEC standards or similar related guidance. My theory is that this is such new territory very little guidance exists yet. Are there

[PSES] Foreign Object Detection for industrial charger

Dear experts, Is anyone familiar if there exist some requirements for Foreign Object Detection for industrial wireless chargers? We are applying UL 1564 and CSA 107.2, however no specific requirements for wireless charger. Any recommendation would be helpful. Any idea how can I reach working

[PSES] Saudi Arabia Wifi certification for 5GHz band is free

Here is some good homologation/certification news. We recently received Free wifi certification for 5GHz product with TX power 30dbm for KSA. No SASO certificate requirements for KSA was required. https://ers.citc.gov.sa/english/workspace/pages/citclogin.aspx just enroll your company on their

Re: [PSES] PLC password

Hi Steve: A possible analogy might be providing a 3-to-2-wire adaptor for your product. Clearly, doing so results in a misuse of the product (operating a Class 1 product without a ground). Safety standards require the product be safe in the event of misuse. Giving the password to

Re: [PSES] PLC password

The keys to product modification in the field vs. maintaining certification are - (a) Is the field modification acceptable to the certifying body? Ordinarily, certification is only for the product as built and shipped from the factory, along with applicable assembly and installation instructions.

Re: [PSES] PLC password

Lauren The Right to Repair legislation only covers certain consumer products as per Annex II and doesn't cover machinery such as this. Best regards Charlie Charlie Blackham Sulis Consultants Ltd Tel: +44 (0)7946 624317 Web: https://sulisconsultants.com/ Registered in England and Wales, number

Re: [PSES] PLC password

Hi Steve, My Friday 2c... There is a trend of "right to repair" legislation that might contraindicate that position to some extent. See e.g. https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:52023PC0155 It seems odd that the approval of a product would depend on the whether the

Re: [PSES] PLC password

Hi Steve, ISO 12100 speaks to protecting various modes of operation with an authorization method like a password, key, or RFID fob. When it comes to the kinds of modifications you are describing, my question would be “what goes in place of the removed device and safeguard?” You would need to

[PSES] PLC password

I have been asked if there is a standard, or comments within s standard, that discusses giving a customer the password to allow them to reprogram the PLC when they remove a device and the light curtain that protected it.I believe, that other than it being a terrible idea, that it would probably

Re: [PSES] EMC directive - does not apply ...

Amund My understanding is that "custom built evaluation kit" can be sold to an end customer - it doesn't sound like you are proposing this. Article 17 of the EMCD requires that CE marking is affixed before it is placed on the market. Article 2.3 of The Blue Guide covers your scenario which

[PSES] EMC directive - does not apply ...

2014/30EU, article 2, This Directive shall not apply to: (e) custom built evaluation kits destined for professionals to be used solely at research and development facilities for such purposes. Does the statement accept that a manufacturer ship the product ( a prototype) to a

[PSES] EMS in NFPA

I'd posted a week or two back about residential EV chargers.Here's the current theory: My company sells a that's residential energy monitoring system (V2) certified to 61010, an and EV charger certified to UL 2564. Customers assert that extra market can be obtained by combined deployment of

Re: [PSES] Vehicle Chargers

Yes,these are all UL. We've got a short list of SAE "J" standards as well, and we do have plans to go to the UK, but not right now, that I know of. Thanks. Brian Gregory 720-450-4933 -- Original Message -- From: John Woodgate To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES]

Re: [PSES] LISN rated for 120V~ could I run at 230V~ for pretesting?

You don¹t say which LISN model or application, but obviously you need to check the ratings on the line-to-ground cap(s). Likely not an issue for you, but you can run into problems with leakage currents when using a LISN designed for 50/60 Hz on 400 cycle power. Ken Javor Phone: (256) 650-5261

[PSES] LISN rated for 120V~ could I run at 230V~ for pretesting?

Hi, I have inherited a LISN rated for 120V~ could I run at 230V~ for pretesting? Thank you for help on this question. Chuck in Berkeley NOTICE: This email may contain confidential information. Please see https://meyersound.com/legal/#email-policy for our complete policy. -

Re: [PSES] Vehicle Chargers

These are UL standards? == Best wishes John Woodgate OOO-Own Opinions Only www.woodjohn.uk Rayleigh, Essex UK I hear, and I forget. I see, and I remember. I do, and I understand. Xunzi (340 - 245 BC) On

[PSES] Vehicle Chargers

As in EV chargers. Just started a new gig, and I'm back in compliance.Looking for info on testing & compliance to the applicable standards: 2202, 2231, and an exciting new concept that might require 9741 or 916. Please advise if this is off scope for what's titled an EMC ListServe, but my

Re: [PSES] EN/IEC 61010-1 insulation question

Hi James: On further consideration, the standard’s “NOTE” following 6.7.3.1 is incorrect. When a hi-pot test is done on the primary (mains) circuit, the voltage (attenuated) will also appear (where it can) in secondary circuits due to the capacitance to the primary circuits. In

Re: [PSES] EN/IEC 61010-1 insulation question

Thanks Richard! Richard Nute wrote > > >Hi James: > > > >My answers to your questions: > > > >1. Does 6.7.3 apply for the clearance between the secondary winding and >earth as indicated? > >Yes. > >2. If NO to 1) then what parts should this insulation be between? >3.

Re: [PSES] Power cords

Hi Steve, how have you been? It sounds like the ratings label should have both an input rating, with the voltage and maximum allowable total load that the system will see (in either amperes or watts), and output ratings for each outlet. If the outlets are some sort of dedicated connections,

Re: [PSES] Power cords

Mike, Is someone needs to work on one sub-system the manual will direct them to unlug, disconnect, the power cord for that specific sub-system. However, there may be a need to bring down the entire system, and so the facility disconnect. Thanks. > On 05/15/2023 9:06 PM MIKE SHERMAN

Re: [PSES] Power cords

Steve -- Fun questions! (I am a person with documented tendencies to not take the trouble to go to a breaker panel to find and disconnect the correct breaker, so I may be taking a different approach here...) Nameplate I regard the nameplate as information for the installing electrician on

[PSES] Power cords

Experts. First, it was good to see those who were at ISPCE in Dallas. Back to the question at hand, and a proposed solution. But I still request ay comments/inputs. I have a client who makes products to their customer's requirements. The end product includes several products, sub-systems,

Re: [PSES] EN/IEC 61010-1 insulation question

Hi James: My answers to your questions: 1. Does 6.7.3 apply for the clearance between the secondary winding and earth as indicated? Yes. 2. If NO to 1) then what parts should this insulation be between? 3. If YES to 1) then: a. what is the safety hazard that is

[PSES] Unknown SI and EMC approaches

Hi All, First a few questions: 1. Do you know what US State has an EMC requirement that a company must meet to sell certain types of products there? And, why you might want to do this test on your equipment to avoid field issues that can be costly. 2. ESD testing completely misses a lot

Re: [PSES] EN/IEC 61010-1 insulation question

Hello all, Thanks for the replies. I got to the bottom of my issue. All of clause 6.7 only applies to Hazardous Live voltages. This voltage is not above the threshold so these requirements for insulation do not apply. Thanks and all the best James James Pawson Managing Director

Re: [PSES] Selling into the country Georgia

Hi Cecil, Georgia isn’t in the EAC but their standards and processes are aligned with the EU, with a current aim to ultimately join the EU. In the LAW OF GEORGIA PRODUCT SAFETY AND FREE MOVEMENT CODE it says… Article 94 – Product marking 1. Product marking shall be the declaration by a

[PSES] AW: [PSES] Selling into the country Georgia

Hi Cecil, according to Resolution No. 50 of March 7, 2013, and based on Article 103, Clause 4 of the Product Safety and Free Circulation Code on the acceptance of technical regulations of other countries into operation by Georgia, Georgia recognises documents confirming compliance without

[PSES] Selling into the country Georgia

One of my client's was going to sell into the country Georgia and was told they needed an EAC mark on the product. The product currently has the CE mark. Did a search online and it appears that the country of Georgia accepts CE marking. I appreciate any help you can provide. Thanks! Cecil -

Re: [PSES] Rated Mains Operating Voltage Regional Compatibility [General Use]

I think it would be reasonable to expect that a product marked 100-240 Vac and as compliant with 62368-1 would have been tested, where specified in the standard to test to the "most unfavorable supply voltage," to values in the 90-264 range. If in doubt, you could ask the manufacturer. Mike

Re: [PSES] Rated Mains Operating Voltage Regional Compatibility [General Use]

– extremes of rated voltage ranges; and So the rated voltage range is 100V to 240V – tolerance *on* rated voltage as declared by the manufacturer. "Unless the manufacturer declares a wider tolerance, the minimum tolerance shall be taken as +10 % and −10 % for AC mains" So

Re: [PSES] Rated Mains Operating Voltage Regional Compatibility [General Use]

Thank you Bernd, Mike and everyone else who replied with your helpful comments. I think my dilemma concerns the interpretation of the rated voltage tolerance in relation to the consideration of supply voltage for testing under clause B.2.3 in IEC62368-1. The clause looks unchanged since 2014

[PSES] EHS contractor for Switzerland

Hello experts, I'm looking for a consultant who can audit a client's facility in Zurich Switzerland regarding employee health and safety procedures. I'm thinking such a consultant would be based in the USA or the UK, but am open to all comers. Any leads you can provide will be appreciated.

Re: [PSES] Rated Mains Operating Voltage Regional Compatibility [General Use]

My go-to is "Electric Currents Abroad", published by the US Department of Commerce, International Trade Administration. You should be able to download from this site, or use the site itself. https://legacy.trade.gov/mas/ian/ECW/index.html Don Gies Internal From: Doug Nix Sent: Monday, May

Re: [PSES] Rated Mains Operating Voltage Regional Compatibility [General Use]

Hi Phil, IEC 60038 defines the standard nominal voltages, but that doesn’t necessarily reflect the reality on the ground. IEC operates the “World plugs” web page that gives the national standard voltages and plugs used by country: https://iectest.iec.ch/world-plugs, however, they only list

[PSES] AW: [PSES] Rated Mains Operating Voltage Regional Compatibility [General Use]

Hi Phil, The concept of rated voltage in standards already includes allowable tolerances and adequate tests. For the supply side, EN 50160 "Voltage characteristics of electricity supplied by public electricity networks" requires in clause 4.2.2 that variations of the rated supply voltage

Re: [PSES] Rated Mains Operating Voltage Regional Compatibility [General Use]

Phil -- It is typical for many standards to run voltage sensitive tests (temperature rise, for example, as I recall) at the labeled voltage PLUS a percentage (6 to 10 %, as I recall). That percentage is intended to cover the utility supply tolerances. So a product labeled 100-240 Vac will

[PSES] Rated Mains Operating Voltage Regional Compatibility [General Use]

Please could someone advise me on what standard, if any, might compel a manufacturer to rate the operating voltage of their equipment to at least cover the utility supply tolerance of the region in which it is being sold? For example, a DoC for an IT item sold in the UK claims conformance with

[PSES] Exhibits for 731 filing 6SD and 6FX devices require a geolocation

RF compliance Folks, I have some questions regarding new certification process for 6SD and 6FX devices. In exhibits for 731 filing 6SD and 6FX devices require ageolocation Justification Report.  If applicable, aGeolocation Accuracy after Power Cycle description. How do we provide an Attestation

[PSES] ❌ ISO 13849-1:2023 – Do Not Use ❌

Colleagues, Last week, ISO published a new edition of ISO 13849-1. I strongly recommend that you DO NOT use this standard, as it has some very significant technical flaws. During the FDIS ballot a large number of technical comments were received, but resolution of those comments was deferred

[PSES] US requirements for Electric Vehicle Chargers

A client, who's an independent product design house, has been asked to assist a client to expand their product range into the US market and they are looking for "Insight into US technical/regulatory requirements around EV charging, smart consumer units/distribution boards, and other domestic

Re: [PSES] 62368 Battery question

In the standard: M.3 covers protection circuits of the batteries with a requirement that the battery temperature does not exceed the specified limits. This includes single fault and abnormal operating conditions. Temperature monitoring might not be required provided that, during single

Re: [PSES] [EXT] Re: [PSES] ESD standards for testing remotes

If the board ground is referenced to DC return, you could discharge it from the negative side of the batteries, if accessible. Best Regards, Charlie From: James Pawson (U3C) Sent: Friday, April 28, 2023 5:01 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [EXT] Re: [PSES] ESD standards for

Re: [PSES] ESD standards for testing remotes

Hi Charles, I thought you were Mr. RF these days and didn't stoop to lowly EMC tests ;-) Agree with Charlie on EN 55035 - - > IEC 61000-4-2 @ 8kV air and 4kV contact. Removing the built up charge from the insulated surface will be the challenge during testing. All the best James

Re: [PSES] ESD standards for testing remotes

Charles Assuming it’s infrared only, EN 55035 would be a suitable product standard (Infrared remote controls are referenced as ancillary/support equipment for TVs in the informative Annex J) A wireless remote would additionally be tested to EN 301 489-x, but the test levels are the same Best

[PSES] ESD standards for testing remotes

Hello gurus! Does anyone know of an official standard for ESD testing remotes used for TVs /STBs etc? Thanking you in advance!! -- Charles Grasso Dish Technologies (c) 303-204-2974 (w) 303-706-5467 (h) 303-317-5530 (e ) charles.gra...@dish.com (e2) chasgra...@gmail.com -

Re: [PSES] 62368 Battery question

James,Do you believe that compliance can be achieved if the batteries are NTC monitored only when the batteries are bring charged?The microcontroller that would monitored the NTCs will only be powered when recharging, otherwise it will not be powered.So I am told.Thanks,Sent from my T-Mobile 5G

Re: [PSES] 62368 Battery question

The standard requires that the battery charging circuit must terminate the charge if the temperature of the cell (measured as per the cell manufacturer’s instructions, usually a thermocouple on the negative terminal IIRC) exceeds the manufacturers specifications. If the cells are in a

Re: [PSES] Safety shutters in BS 13A socket

I don’t have a copy of the standard, but I’m fairly sure this is all detailed in: BS 1363-2:2016+A1:2018 13 A plugs, socket-outlets, adaptors and connection units - Specification for 13 A switched and unswitched socket-outlets It’s a BSI standard, so it’s expensive ! Best regards Charlie

[PSES] Safety shutters in BS 13A socket

BS 13A sockets are designed with a safety shutter to prevent accidental contact with live electrical contacts. According to the BS standard, the shutters for the live (L) and neutral (N) apertures must block securely. Is there any verification test available to ensure that the shutters for the L

Re: [PSES] EStops

I would think the main concerns would be visibility, and accessibility. Possibly you could use something similar to a machinery Emergency stop pendant station, except post mounted. -Doug Douglas E Powell Laporte, Colorado USA doug...@gmail.com LinkedIn

Re: [PSES] EStops

Thanks Doug Sent from my T-Mobile 5G Device Original message From: Doug Nix Date: 4/20/23 4:30 PM (GMT-05:00) To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] EStops Hi Steve,As far as ISO 13850 and ISO 12100 are concerned, there is no problem with a button on a post

Re: [PSES] EStops

Hi Steve, As far as ISO 13850 and ISO 12100 are concerned, there is no problem with a button on a post lagged to the floor. As long as the estop device is located “within reach” of the operator’s normal location, usually interpreted as about 1 m either side of the centreline of the workstation

Re: [PSES] EStops

Steve -- I have not read ISO 13850, but it is a key requirement in my mind that ESTOPs are readily accessible to the operator. Mike > On 04/20/2023 3:21 PM sgbrody wrote: > > > Experts, > > Have read through EN ISO 13850 know that an ESTOP can be a button on the > machine, or

[PSES] EStops

Experts,Have read through EN ISO 13850 know that an ESTOP can be a button on the machine, or a floor mounted foot actuator, or a rope pull.The option my client's customer would like is a post, lagged to the floor, that has the ESTOP mounted on it.I can't give you information on the system other

Re: [PSES] Compliant needle-flame test material vs V-0 material

Hello Scott I do not understand. If you have a product intended for connection to mains with available power less than 4000VA, V-0 material for fire enclosure is sufficient without any additional testing. Needle flame is verification test and cannot be compared to flammability rating test. So

Re: [PSES] Compliant needle-flame test material vs V-0 material

Hi Scott: The answer to your question: “is it possible the V-0 material does not meet the needle-flame test?” is: Yes. See: https://www.caplinq.com/blog/ul-94v-certification-vs-ul-94-vtm-certification_190/ Best regards, Rich From: Scott Xe Sent: Tuesday,

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