These value are based on curve B1 in FIG. As described further below with reference to FIGS. In embodiments, enclosure is formed from a highly durable material, such as plastic, that is appropriate for outdoor use and that will withstand the expected weather and temperatures variations at the intended location of installation.
As shown in FIG.
Such data is useful, for example, for monitoring the proper operation of luminaireand in particular ballast I try to read and blog a minimum of fifty books a year.
Current sensor generates a reference current Irefwhich is also provided to controller as an input parameter. I learned my lesson. However, loss of network connectivity, for example, for more than a selected period of time causes intelligent luminaire manager to revert programmable time measurement intervals and tolerances to default values stored within intelligent luminaire manager northwrite address plaques.
Additionally, network operation center software is able to generate summary failure analysis reports, broken down by lighting system attributes such as, for example, fixture type, lamp type, ballast type, starter type, and hours of operation.
In stepa determination is made whether the AC current is less than or equal to a first threshold value. Master controllers may optionally provide data concentration and compression, and thereby reduce the overall service fees for third party leasing arrangements of communication services.
Each of the network links between intelligent luminaire managers includes a two-way communication channel. The main server may comprise one or more computer processors that are operable to execute one or more computer-executable instructions stored in one or more memories for performing or directing one or more operations or services as described herein.
In an embodiment, an LED signal may be different colors to indicate different status. For example, this could be to turn on lamp at dusk and to turn it off at dawn. This functionality can be distributed over a wide geographical area.
In an embodiment, as noted above, network operation center personnel perform asset management functions, which include tracking the life cycle of node equipment, and replacing end-of-life equipment or degraded equipment before failure.
The diagnostic method may be implemented by embodiments of an intelligent luminaire manager Method can be implemented by embodiments of intelligent luminaire manager It will be appreciated that the potential for communicating with radio frequency RF or radio frequency identification RFID type devices using the network formed by intelligent luminaire managers is nearly boundless, according to an example embodiment of the invention.
This work order is down-loaded into the PDA-hosted intelligent luminaire manager field unit and used to guide maintenance personnel to the site of the degraded or failed equipment. Other possible uses include, but are not limited to: If they make a mistake an entire colony planet could pay the ultimate price.
Thus, embodiments of the invention are not limited to using only RF communication links.She is co-organiser of the UK Milford Writers’ Conference, a peer-to-peer workshopping week for published SF writers, and she organises Northwrite SF, a critique group based in Yorkshire.
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