DIYnot
Local | Network
   DIYnot > Network
Local | Network
DIYnot Network Local DIYnot Network Local
 
 
View RF Ligh...'s Friends
View RF Ligh...'s Posts
Alert Moderator
Status
RF Lighting is has his life dictated by tradition,superstition
and false religion.
Statistics
Profile Views:13262 views
Friends:39 friends
Last Update:12 days ago
Signup Date:Mar. 31, 2006
Forum:
17,322 posts
Thanked:908 times in 828 posts
Image Albums (1)
Electrical Pic...
Updated 12 days ago
Recent Activity
2 days ago
RF Lighting thanked securespark for a post made in Electrics UK
2 days ago
RF Lighting was thanked by ScottishGasMan for a post made in Electrics UK
2 days ago
RF Lighting was thanked by bwallum for a post made in Electrics UK
10 days ago
RF Lighting was thanked by Jason1790 for a post made in Electrics UK
10 days ago
RF Lighting was thanked by SimonH2 for a post made in Electrics UK
11 days ago
RF Lighting was thanked by arkie for a post made in Electrics UK
12 days ago
RF Lighting uploaded new photos to their album: Electrical Pictures.
13 days ago
RF Lighting posted a new forum topic in Electrics UK
13 days ago
RF Lighting was thanked by madman41 for a post made in Electrics UK
13 days ago
RF Lighting was thanked by madman41 for a post made in Electrics UK
Personal Information
Name: Rob
Birthday: January 23rd
Gender: Male
Country: United Kingdom
Region: Leeds
Interests: Playing with my good friend, Mike Hock.
Occupation: Chief Morale Officer
Contact Information
Friends (39)  [ view all friends ]

WoodYouLike

Spark123

oharaf

martinxxxxxx
Comments (20)  [ view all comments ]
17thman - 10:02 PM on Mar. 1, 2013  reply | message
at the risk of sounding like i am trying to find some problem with your work. i actually am trying to find a reason to report such acccidents in my/our work without making public against you. It could happen to me or you any day. I respect your knowledge fully. kind regards
bernardgreen - 10:42 AM on Feb. 16, 2013  reply | message
Hi
I didn't want this on the forum as it was given to me in confidence for a project some years ago..

One type of camera control uses a sequence of 6 pulses to give absolute positions for the pan tilt zoom iris (apperture) and illumination. Each control pulse is between 1millisecond and 10 millisecond long ( min to max on the control ) and the 6th is the 15 millisecond marker to identify the start of the sequence.

one millisecond is 0 degrees home and 10 milliseconds is 390 ( 30 degrees beyond home ).

That sort of control may not be carried by a "normal" serial data radio link as these often re-generate the data waveform to remove any errors that the radio link may introduce. Some re-format the serial data to add error correction check sums and they will not carry pulse width modulation control signals without serious changes to the control value.

Best regards

Bernard
scooby1 - 10:32 AM on Nov. 4, 2012  reply | message
Thank you for your contribution to my topic. http://www.diynot.com/forums/plumbing/a-timer-for-an-oil-boiler-that
-cant-be-tampered-with.342948/page-2 As you probably guessed I got a bit fed up with some of the replies but it was Saturday evening and that's never a good time to post on a Forum. Thanks again. - David.
bernardgreen - 6:19 AM on Jun. 7, 2012  reply | message
Hi
My reasons for pressing the bonding versus earthing relates to the electrical system in my 490 year old stone cottage as well as 40 years experience in electronics and 9 years in industrial electrical control systems.

Two years ago the cottage and the attached shop were a single property supplied by a TT supply in the shop. I bought the cottage a year ago, one bedroom is over the shop as a flying lease which complicates the division of the property into two separate units.

I have had a new supply installed from the street and this is at present PME TN-C-S. Because I am PME and the shop is TT I have had to ensure there is at least a metre separation between anything earthed or bonded in my cottage and anything earthed or bonded in the shop. The DNO "require" this to ensure that in the event of a neutral failure in their network there is ( almost ) zero chance of the shop's CPC becoming the same voltage as my CPC and thus putting the people in the vicinity ( adjacent shops ) at risk from a raised ground potential as the shop's ground rod takes some of the current that the failed neutral would have been taking. The DNO stated specifically that there is no difference between bonding ( other than specifically earth free bonding ) and earthing. If it is bonded it MUST be assumed to be and treated as being earthed.

I am seriously considering changing my installation to a TT system with multiple RCDs. This is acceptable to the DNO and has also been accepted by the local authority in other buildings where it provides a safer installation. BS7671 requirements do not always fit the needs of older buildings and can in some case create a less safe installation.
DesperateHousewife44 - 11:33 PM on Sep. 6, 2011  reply | message
Can you please help me or point me in the direction of someone who can? DesperateHousewife44.............posted question today, 6th September 2011, PLEASE!!!
kevplumb - 3:39 PM on May. 13, 2011  reply | message
hi bonny lad long time no hear (me not you) do you have an installation man for the veritas r8

just move and whoever fitted it did a right botch job

thanks mate
nv_london - 8:14 PM on Jan. 30, 2011  reply | message
Hi Rob, I'm in the processing of changing my DA Abacus 8 alarm with a Veritas R8. I've noticed from other posts that you've got PDF copies of installation manuals for this system and even though I've just ordered it today from 'Alert Electrical' I'd really appreciate if you could email me a PDF of the installation manual so that I can start reading it and working things out before it actually arrives. Many thanks. jps97@ic.ac.uk
bernardgreen - 7:14 AM on Jan. 17, 2011  reply | message
Hi

If you give me your e-mail address I will send the original of the RCD trip circuit.

Regards

Bernard syemon.es@btinternet.com
chrishat34 - 6:24 PM on May. 18, 2010  reply | message
Hi there,
I notice that you have the Wintex software. Can you help me please.
I am installing a new premier 48 panel and my supplier has run out of the software disks. There have sent me it as a zip file, but when i come to run it, wintex asks for a user name and password to login. Is the a standard one i use?
kind regards
Chris
sailordave - 11:53 PM on Feb. 21, 2010  reply | message
Hi RF lighting I was advised to contact you for some advise. I am currently changing all my sockets and switches in my kitchen from white to Black Insert Satin Chrome Angled Edge. But I have hit a small problem i have a 4G switch for the kitchen appliance frezzer,extractor fan, dishwashr and washing machine with all these marked on the switches and you advise if it is possible to purchase 4g with the appliance recorded on the switch.
Thanking you in advance
David
 
View All User

 
 
 
DIYnot
Find an Expert | Find a Supplier | Search DIYnot.com
Network | Advertising | Newsletter
DIYnot.com | How to... | @home | Wiki | Forum | Shop
By using this site you agree to our Terms of Service / Disclaimer.
Please read our Privacy Policy.