Merry Christmas. I have received a light with a zodion SS3DR. Does anyone know what the "DR" means? I know "DLS" is day light saving.
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| Photocell and minicell discussion http://ukastle.co.uk/discussion/viewtopic.php?f=5&t=205 |
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| Author: | mazeteam [ Sun May 17, 2015 2:32 am ] |
| Post subject: | Re: Photocell and minicell discussion |
Yes, I have an SS20 smart cell myself. I got it a few years ago as a bonus when I got a substantial lantern into the collection. These cells work by monitoring the switch on and switch off times so as to find true midnight, as per the SS9 part night cells. But from that point, using what I believe is a DALI interface the cell then gradually dims down the light source to a preset level (generally either 60% or 75%), and mine is 75%. Such cells are ideal for use in areas where lanterns are being installed that would eventually get connected to a noded system, or areas where a CMS network is too expensive and so dimming is being done standalone such as in Liverpool. My own SS20 is used in a Holophane QSM which I aquired years ago - installed in about 2008 in Library Square, it contained the master node on top for dimming to control that and one other lantern on a trial CMS network, after the trial was successful the decision was made to bulk replace lanterns in the area with QSS's all on a CMS network, which left this 150w Holophane QSM sitting on a rack outside in the rain with a hole in the canopy where the master CMS node used to be.... So the SS20 is compatiable with the Zodion 'Vizion' smart ballast range for a certainty. The light source is dimmed over a bit of time, so to get an idea you'd have to set the lantern up so it comes on normally at dusk and take a photo at roughly 11pm (BST) and then again at 2am (BST), with the camera in exactly the same position on the exact same settings, and then compare the photos. The SS20 will need between 1-2 days to synchronise before dimming can be achieved. The same technology is also being applied integral to some ballasts such as the Phlips Xitanium range. I have a lantern with a similar system. |
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| Author: | sotonsteve [ Sun May 17, 2015 8:41 am ] |
| Post subject: | Re: Photocell and minicell discussion |
Where dimming lanterns have been installed in West Sussex, as opposed to lanterns with part night photocells, I believe they utilise the Philips DynaDimmer system. Like the Southampton and Hampshire elements of the PFI, lanterns in West Sussex are CMS-ready and feature Mayflower S6000 sockets and dimmable electronic gear. However, unlike Southampton and Hampshire CMS hasn't been rolled out in West Sussex at this time (although I spotted a couple of nodes last week, which may have been a trial or mistake). Where part-night photocells are fitted to lanterns the lanterns operate in a conventional on/off manner. However, where part night is not in operation, DynaDimmers are wired inside the lantern to control a dimming regime in the absence of a node, with a standard photocell controlling switch on and switch off times. |
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| Author: | the dark lord [ Wed Oct 28, 2015 8:11 pm ] |
| Post subject: | Re: Photocell and minicell discussion |
the dark lord wrote: Not bothered if it is 2 part or NEMA. I see Zodion make them but cant find anywhere that retails them.... Any ideas? Guys I am looking for another Part-Night Cell for another installation, again NEMA preferred but 2 part will do at a push. |
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| Author: | meppso [ Fri Oct 30, 2015 1:18 pm ] |
| Post subject: | Re: Photocell and minicell discussion |
the dark lord wrote: the dark lord wrote: Not bothered if it is 2 part or NEMA. I see Zodion make them but cant find anywhere that retails them.... Any ideas? Guys I am looking for another Part-Night Cell for another installation, again NEMA preferred but 2 part will do at a push. Hi Dark Lord, Just a quick look on google came up with this http://www.emetco.co.uk/ProductDetail.a ... e=Products A zodion SS9 nema. The two part version is called an SS59 and the mini version is called a SS19. Hope this helps, Regards, Andrew. |
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| Author: | the dark lord [ Fri Oct 30, 2015 7:31 pm ] |
| Post subject: | Re: Photocell and minicell discussion |
Perfect.... Except for the Price! £48 for a cell!!! I was hoping to save money with part night op, that would take some doing at that price. |
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| Author: | nick217 [ Mon Nov 02, 2015 8:01 am ] |
| Post subject: | Re: Photocell and minicell discussion |
I may have a surplus one! |
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| Author: | Hemelstreetlight [ Fri Dec 25, 2015 12:30 pm ] | ||
| Post subject: | Re: Photocell and minicell discussion | ||
Merry Christmas. I have received a light with a zodion SS3DR. Does anyone know what the "DR" means? I know "DLS" is day light saving.
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| Author: | Phosco152 [ Fri Dec 25, 2015 7:00 pm ] |
| Post subject: | Re: Photocell and minicell discussion |
DR denotes relay switching rather than triac (solid state) of the SS3. From the data sheet: Quote: Utilises a high grade electro - magnetic relay for load switching that allows the unit to withstand the most arduous operating conditions. SS3 DR incorporates a premium filter system that reduces manufacturing costs and delivers a corresponding price benefit. In addition, the SS3 DR includes a predictive transfer algorithm that protects the contacts when switching, reduces wear and improves cell life. |
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| Author: | Hemelstreetlight [ Sat Dec 26, 2015 7:17 pm ] |
| Post subject: | Re: Photocell and minicell discussion |
Thank you. I have noticed on this photocell, the relay is activated when there is light and it is not activated at night. |
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| Author: | Hemelstreetlight [ Sun Feb 14, 2016 7:55 pm ] |
| Post subject: | Re: Photocell and minicell discussion |
Phosco152 wrote: By the markings on the cell, it also appears SELC cells are available with switch points of 8, 10, 14, and 30 Lux as well as the more conventional 70/100 switch points. I have seen a green bodied one near one of my friend's house. https://www.google.co.uk/maps/place/195 ... 2f7e7ba248 |
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