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Up to 14 assigned users or Administrators with an individual 4 digit Personal identification Number (PIN), and one Distributor, can log onto a VESDAnet system under one of three levels of access which are password protected:
The VESDA sliding Windows High Level interface (HLi) links your VESDAnet with PC software monitoring and configuring tools such as Xtralis VsM4 and Xtralis VsC. To configure and monitor devices on VESDAnet, your HLi must be connected to a VESDAnet socket card.
The Display Module can be mounted into a detector unit, a remote mounting box or a 19in sub rack. Several displays can be configured to display information from a single detector in multiple locations.
The menu driven VESDA Programmer allows the user to conveniently configure, commission and maintain the VESDA system, as well as program each individual detector.
The remote box offers the option to mount modules at site specific locations. The remote mounting option is normally exercised where there is a need to monitor and/or manage a stand alone detector, or one connected to VESDAnet, from a remote location. The remote box can house a single module with a termination card. The remote box comes in two sections. The mounting box to house the remote termination card or VESDAnet socket card and the front cover to mount the module with a processor card. The VESDAnet socket does not have a relay processor card.
In its simplest configuration, OSID (Open-area Smoke Imaging Detection) uses one imager, a camera-like device with a wide field of view, and a wired or battery-powered emitter roughly aligned on the opposite wall within the protected area. The emitter sends both infrared and ultraviolet coded light signals to the imager. If the light reception is altered due to the presence of genuine smoke particles, the imager will go into alarm. The novel use of dual light frequencies in an open-path device enables OSID to discriminate between real smoke and other objects, including insects, steam, condensation and dust, thus drastically reducing false alarms.