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Sensing edges
Optical Sensing Edges (OSE, Cat.3)
Safety edges are used wherever moving edges pose a hazard to people. The hazardous areas are protected by hollow rubber profiles. As soon as a person or object touches them, the sensing profile is deformed, and the potentially hazardous movement stops.
Safety edges are used wherever moving edges pose a hazard to people. The hazardous areas are protected by hollow rubber profiles. As soon as a person or object touches them, the sensing profile is deformed, and the potentially hazardous movement stops.
Safety edges are used wherever moving edges pose a hazard to people. The hazardous areas are protected by hollow rubber profiles. As soon as a person or object touches them, the sensing profile is deformed, and the potentially hazardous movement stops.
The 2019 North American Elevator Safety Code (ANSI A17.1-2019 / CSA B44-19) defines new and clarifies existing requirements for the means of detecting persons or objects between the doors (2D) or approaching the elevator (3D). CEDES CabSafe™ system, consisting of a Controller, a 2D light curtain and a 3D TOF sensor, can fulfill all these code requirements and more.
GridScan/Pro SI is a highly reliable SIL 2-certified safety light curtain with a serial interface for industrial doors. Certified with an EC-type examination, it can be used in any door. The serial interface allows for the integration of additional functions such as soft stop, increasing the door`s service life.
The safety photo eye is used for entrapment protection on industrial doors, mainly for rolling grills. An interruption of the light beam initiates a signal between emitter and receiver which interrupts the movement of the power operated door. The pull-in protection RAYTECTOR is suitable for absolute fitting dimensions between 1.5 m to 10 m.
Emitter and receiver are inserted in compound-filled plastic housings. The respective 10.5 m length of the connector cables allow the direct connection to the control unit.
RAY-M was designed as a light barrier for a small mounting space. It generates the standard OSE signal and can be operated in combination with well known control units. The RAY-M DUO is a double beam light barrier for safeguarding of two parallel areas via one signal. Areas at two different heights, e.g. persons and trucks, can be monitored simultaneously with only one product (solution `D` acc. to EN 12453 possible).
RAY-N photo eyes are monitored sensors, using the same proven technology as the OPTOEYE. When the signal between emitter and receiver is interrupted, the sensor sends a signal to the operator to stop and reverse the door. These sensors are long range (13 m), yet are NEMA 1 rated for price-sensitive applications. Also, the versatility of threaded design allows for flush mounting (for example, within the guide of a rolling door) or mounting to a bracket for easy installation.
With its adaptable design, RAY-RT can be installed in the most challenging locations of door construction. It is designed for securing various points of the door and due to its compact size, it can even be integrated in the guide rail.
OSE cable sets contain a junction box, a spiral cable and cable gland accessories, and hence everything required to connect OSE sensors to a control device. Cable sets are provided with junction boxes and spiral cables in three sizes, each designed for different door types.
Coil cords are commonly used to wire the sensing edge from the moving door panel to the stationary door control unit. This solution is cost efficient and proven to work reliably. The wiring connection from the sensing edge to the coil cord is usually done within the protected environment of a junction box.
The hollow rubber profiles enclose the OSE safety light barrier. When the hollow rubber profile is deformed, the optical channel is interrupted, causing a dynamic safety signal to fail. This is detected by the control unit which interrupts the enable circuit. The potentially hazardous movement is halted.
Bumpers are used for long-term protection of horizontally mounted safety contact edges. In a closed state the door leaf sits on the bumpers. These protect the rubber profile and/or the inner optical closing edge device from damage.
Most commercial doors are equipped with the proper retainer in order to install a rubber profile. For retro-fitting or door sections without the right retainer, VITECTOR by CEDES offers special retainers for the installation of sensing edges.
For retrofitting older door systems, or for door controls without an integrated "OSE" interface, control units are required for evaluating the signal. All safety light barriers with an OSE signal can be connected to the evaluation units. The signal is evaluated and provides a switching function in the form of potential-free contacts.
The junction boxes are available in different sizes (small, medium, large), depending on the desired application. The housing can be opaque or transparent – e.g. the status LED of the safety edge is visible through the translucent lid.
Various accessories are available for the airwave switches, such as end and connection plugs, signal hoses made of PVC or silicone and airhose connectors (straight, angled or t-shaped).
The mounting bracket is installed at half of the total height of the door, then wired up to the operator. This allows the coil cord to stretch only half the lenght.
