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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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