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Siemens SIGUARD Light Curtains

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Siemens SIGUARD Light Curtains

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    1. Siemens SIGUARD® Light Curtains

    3. New SIGUARD® Light Curtains 3RG7844 Cat. 4 with integrated evaluation Four Function Packages Standard Function includes features: start test, start/restart inhibit contactor monitoring multi-scan 2 transmission channels E-Stop switch circuit Blanking Function with standard features: fixed blanking floating blanking reduced resolution blanking Muting Function with standard features: Integrated evaluation of the muting function Local connection of muting sensors Muting lamp output / connection Cycle Control with standard features: Integrated cycle control (PSDI) function Single or dual cycle selection

    4. 3RG7844 Category 4 acc. to EN 60954-1

    5. SIGUARD® 3RG7844 for Category 4 Function packages Standard with start test, start/restart inhibit, contactor monitoring, multi-scan, 2 transmission channels and Emergency Off switch Blanking with the standard functions and additionally fixed and floating blanking, reduced resolution Integrated Cycle Control (PSDI) Integrated Muting Configuration via a hand held Safety Key / magnet Host and guest devices can be cascaded Available in conventional hard wire or AS-Interface output Local interface (M12/8 socket) to connect local devices (re-start button, Emergency Off switch, muting sensors, etc)

    6. SIGUARD® 3RG7844 Configuring Interface Safety key to teach-in zones with permanent blanking

    7. Delivery All 3RG7844 units come with:

    8. SIGUARD® 3RG7844 Fixed Blanking Possible at any location except first beam The number of beams is unrestricted Permanent monitoring (will cause trip if object is removed) Configured by teaching-in via Safety Key / magnet Tolerances can be entered

    9. SIGUARD® 3RG7844 Floating Blanking Possible at any location except first beam Number of areas is not restricted Permanent monitoring At least one beam is interrupted Blanking of 1 or 2 beams using DIP switch Can be combined with other blanking types

    10. SIGUARD® 3RG7844 Reduced Resolution Blanking Possible at any location except first beam Number of areas and beams is not restricted No monitoring: object can be removed; several beams can be interrupted 2 or 3 beam reduction Can be configured using a DIP switch Can be combined with other blanking types

    11. SIGUARD® 3RG7844 Laser alignment aid In transmitter of light curtains (as option) Can be activated with a magnetic key or safety key Protection zone height is 75 mm lower than for standard devices In 2, 3 and 4 beam devices, the laser unit is directly located under each beam

    12. SIGUARD® 3RG7844 Display Elements 2x7 segment display Bus address Transmission channel Scan mode (double scan) Protection zone / resolution Alignment of host and guest(s) Fault/error codes LEDs Red/green: Switching condition of the output Orange: Status, protection zone/weak beam Yellow: Retart inhibit Blue: Blanking active, teach-in

    13. Operating Elements

    14. SIGUARD® 3RG7844 Operator Control Elements

    15. SIGUARD® 3RG7844 Operator Control Elements “Standard” function package S1: Contactor monitoring without dyn. SK S2: Transmission channel channel 1 channel 2 S3: Restart inhibit without with S4: Emergency-off switch without 1x 2 channel S5: Multi-scan auto scan double scan S6: Display direction top bottom “Blanking” function package S1: Contactor monitoring without dyn. SK S2: Transmission channel channel 1 channel 2 S3: Restart inhibit without with S4: Moving blanking without 2 beam -1 S5: Reduced resolution without red. factor 2 S6: Display direction top bottom

    16. SIGUARD® 3RG7844 Circuit Example

    17. SIGUARD® 3RG7844 Circuit Example

    18. SIGUARD® 3RG7844 Circuit Example

    19. SIGUARD® 3SF7844 Circuit Example with ASIsafe

    20. SIGUARD® 3SF7844 Circuit Example with ASIsafe

    21. SIGUARD® 3RG7844 Mounting System Standard holding bracket (shipped with light curtain) Swiveling holder with oscillation damping (this must be separately ordered)

    22. SIGUARD® 3RG7844 Customer Advantages Function packages Standard with start test, start/restart inhibit, contactor monitoring, multi-scan, 2 transmission channels and Emergency Off switch Blanking with fixed and floating blanking, reduced resolution Integrated Cycle Control (PSDI) and Muting versions available Configured by teaching-in through an opto-magnetic key saves significant commissioning costs Configuration data is transferred using a plug-in configuration card No external Safety Relay required for safety circuits connected through Light Curtain Integrated laser alignment aid as option Mini style quick-disconnect speeds installation

    23. New Literature 3RG7844

    24. New Literature 3RG7841 and 3RG7842

    25. SIGUARD® Light Curtains and Light Grids 3RG7841 / 42 / 44 Customer Benefits No confusion sorting thru different series for options and resolutions. Everything offered in a single series Disturbance-free operation of adjacent devices using two transmission channels which can be switched D-scan for environments with extremely high level of infrared pulse radiation Simple connection using quick disconnect connectors Rugged 55 x 52 mm aluminum profile (cat. 4 units) Simple set-up of Blanking with the one-step safety key Accumulated dirt signal output Local socket to connect Restart Button, Emergency Off switch...(3RG7844) Low space requirement (17 x 33 mm cross section) (type 2)

    26. SIGUARD® Light Curtains are used throughout industries worldwide

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