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The iDiscovery is a powerful SIL3 and EN 81compliant position supervisor unit. In conjunction with CEDES’ APS (Absolute Positioning System) it takes over safety-relevant elevator functions and devices of an elevator. These include detection of unintended car movement, pre-opening of doors, re-leveling with open doors, overspeed detection, retardation control and limit switches. All this significantly reduces the cost and complexity of both elevator equipment and installation. The basis for this revolutionary approach is the safe (SIL3) position and velocity information acquired by the contact-less APS system (range up to 1,500m, speed up to 20 m/s). This information is passed safely and reliably to the iDiscovery allowing the iDiscovery to be mounted in the elevator controller (providing easiest access and wiring). It is, however, also possible to mount the device on the car. The iDiscovery is available in a number of variants to ensure the right functionality at the right price for the various elevator types. Whereas basic variants take over limit switch and door zone functions only, advanced versions can directly trigger the safety gear on the car and allow the safe connection of two inspection control stations and one recall control station, as required by EN 81-20.
The iDiscovery provides a CAN interface as well as optionally a number of inputs and outputs to emulate conventional shaft information signals. This keeps the required adjustments in the elevator controller to an absolute minimum. The set-up process of the iDiscovery has been planned with extra care to ensure an easy and guided process. The configuration can either be done through an external device (connected via bluetooth), the elevator controller or be stored on an SD card. Learning the level positions is done automatically (no technician needs to climb the car) based on the position indicator clips of the APS system. Due to the comprehensive user interface with LEDs, the system status is always known, allowing fast and efficient set-up and reaction in the event of a safety function being triggered.