Thanks to specially developed integrated circuits (ASICs) and a patented, intelligent analysis process, they are espe- cially fail-safe and highly available. Whether protecting body parts, securing horizontal hazardous areas or the access to larger areas - the widest range of functions such as start and restart locking, contactor monitoring, jog control or blanking allow for many different applications. A version for connecting to the AS inter- face is available.
A light curtain or light grid comprises a transmitter and a receiver, which must be mounted opposite each other. Depending on the resolution and the length, a certain number of transmit and receive diodes are arranged vertically. The infrared LEDs of the transmitter emit short light pulses that are detected by the receive diodes.
3RG7842/3SF7842 light curtains and grids for Category 4 according to EN 95
- Resolutions 14, 30, 50 and 90 mm
- Protective fields heights from 150 to 3000 mm
- 2-, 3- or 4-beam light gird
- Host and quest devices can be cascaded for larger protective field heights and lengths or for an angled arrangement
3RG7844/3SF7844 light curtains and grids with integrated evaluation for Category 4 according to EN 954-1
- Resolutions 14, 30, 50 and 90 mm
- Protective fields heights from 150 to 3000 mm
- 2-, 3- or 4-beam light gird
- Host and quest devices can be cascaded for larger protective field heights and lengths or for an angled arrangement
3RG7841 light curtains and for Category 2 according to EN 954-1
- Resolutions 30, 55 und 80 mm
- Protective fields heights from 150 to 1800 mm
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Host and quest devices can be cascaded for larger protective field heights and lengths or for an angled arrangement
Standards
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Supplier:
Siemens Energy & Automation, Inc.
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