Sign & Digital Graphics

September '19

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S I G N & D I G I T A L G R A P H I C S • September 2019 • 73 303.798.7110, ext. 203 www.sdsautomation.com THERE'S ONLY ONE WAY! Works only with Eco, Super and Super ChannelBender XP NOW AVAILABLE IN PRIMER ONLY! (available on 60 & 100 mm. LetterForm) Distinctive channel letter returns: • LetterForm available in three heights: 37, 60 and 100 mm • LiquiForm available in two heights: 37 and 65 mm • LetterForm now available in stainless steel or painted (black, white or primer coated) LetterForm® & LiquiForm® Completely eliminates the need for trim cap. costs to the sign maker are very similar." The balance of power (or quality, in some cases) versus cost will come up in discussions of maximum run. Vincent explains that in his experiences, "you actually end up being able to 'run' 25 percent more modules on the 12 V sys- tem at the same cost. In addition, both systems have one primary hook-up, so you actually end up making fewer pri- mary hook-ups with the 12V dual chan- nel system." When calculating maximum run for 12V and 24V options, "You have to use a little math here," says Riley. "Figure out how many watts the product you are using needs to run using the specs from that particular product and do not exceed that number." Conversely, "The minimum is not usually a factor," Riley continues, "how- ever (it) needs to be looked at if you are lighting a dot over an 'i' or using less than five watts or so as a rule. If you are lighting a small area you will need to find out the minimum output for that particular power supply 24 V is usually a little higher than 12V." Other Options Sign makers may encounter other options outside of the 12V and 24V sys- tems, however, "they are typically around specifically designed luminaires," states Vincent. "The 12V or 24V systems rep- resent 99 percent of the signage systems in North America." Historically, a handful of choices have been available on the market at one time or another. Bluhm recalls, "(for) our first channel letter module system in the early 2000s, we had 7.5 V, 12V, 24V modules and 8.2V briefly. However, we learned that it was too many power supplies and we centered around 12V and 24V pretty quickly." Even today, in retrofit projects or other replacements, there might be some additional options. "Here at Keystone Technologies, we are having great success with the Sign Hero product, which runs on 120v/277v for cabinet lighting, replacing older, less energy efficient Fluorescent T12H O lamps," Riley shares. "They have inter- nal drivers so no power supplies to hook up, as well as the long runs will blow you away. Another would be LED HID (High Intensity Discharge Lamps) replace- ments, mostly used in your large, deep double-sided signs mostly seen 80 plus feet up in the air." Yes, there are certainly options. Even when a restaurant owner runs through the simple task of flipping the switch to her custom-branded channel letter sign outside the shop, she has likely run through several critical decisions with a sign maker to reach that point. SDG

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