Pepperl+Fuchs
Twinsburg, OH 44087
Oct 16, 2009 Measuring 20 x 30 mm, SLCS and SLCT Series are available in IEC 61496-compliant Type 4 or Type 2 versions, respectively. Units feature M12 micro connector cordsets, integrated control electronics, and solid state OSSDs for self-contained 2-box system. Operating from -22 to +140°F, curtains are available with beam spacings of 14, 30, and 60/90 mm for finger, hand, and body detection, respectively. Quick-release clamp bracket facilitates installation, removal, or replacement without tools.

ifm efector, Inc.
Exton, PA 19341
Sep 03, 2009 Available in heights from 160-1,510 mm in intervals of 150 mm, Safety Light Curtains offer 30, 40, 50, and 90 mm resolution options, and can be mounted vertically or horizontally along floor to detect foot traffic. Light Grids are available in pairs in 2, 3, and 4-beam versions. Both include emitter/receiver pair that create multi-beam barrier of IR light, protecting operator from hazards associated with mechanical and hydraulic power presses, molding presses, and automated assembly machines.

Rockwell Automation
Milwaukee, WI 53204
Jun 17, 2009 Equipped with integrated laser alignment system, GuardShield Safe 4 transmitter and receiver pair is available in 14 and 30 mm resolutions with protective heights from 120-1,920 mm. Also offered in 14 and 30 mm resolutions, GuardShield Cascadeable Micro 400 consists of Type 4, 3-box curtain for small assembly machines. With operating range of 30 m, GuardShield Safe 4 PAC is available as 2-segment pair with 600 mm protected height or 3-segment pair with 840 mm protected height.

Wintriss Controls of HoneyWell
Acton, MA 01720
Apr 21, 2009 Shadow® 8 can guard multiple sides of machine with only one pair of cables connected to clutch/brake control or to optional Shadow 8 Control. Main heads can be used as standalone light curtain, or users can connect 1-3 pairs of extension heads in series with main unit. Programmable fixed blanking window allows fixtures like conveyors or worktables to remain in sensing field without triggering machine stop. Light curtain is OSHA 1910.217, ANSI B11.1, ANSI B11.19, CSA Z142, and CSA Z432 compliant.

Automation Systems Interconnect Inc.
Mechanicsburg, PA 17055
Feb 23, 2009 Featuring 94 cross beams, and optical synchronism, ASI light curtains operate without needing any external control box. They have switching distance of over 12 ft, are powered by 12-24 Vdc, and come with both supply and output indicators. Available with integrated solid state and relay outputs, units are protected from short circuit, polarity reversal, and offer sensitivity adjustment.

Keyence Corporation of America
Woodcliff Lake, NJ 07675
Sep 30, 2008 Featuring edge-to-edge mounting and side-exit cabling, SL-V Safety Light Curtain incorporates green indicator lights for when beam axes are aligned and red lights to indicate curtain blockage. Up to 3 curtains, or 240 beams maximum, can be connected in series and curtain lengths are available up to 94.09 in. Built-in external device monitoring function as well as muting and interlock functions are included. Recessed lens cover and aluminum-framed brackets offer further protection.

Rockwell Automation
Milwaukee, WI 53204
Sep 19, 2008 Allen-Bradley Guardmaster GuardShield PAC Type 4 Safety Light Curtain features muting function that lets objects or materials, but not personnel, pass through sensing field without stopping machine process. With beam coding, external device monitoring, and start/restart interlock modes, presence-sensing device has multiple beams with heights up to 810 mm and 310 msec response across 0.3-16 m scanning range. It operates from 24 V and can be used standalone or with external muting device.

Contrinex AG
Old Saybrook, CT 06475
Aug 01, 2008 Safetinex safety light curtains can detect person or any part of body entering danger zone, and immediately stop machine to protect operator from injury. They consist of sender and receiver unit that demarcate protection zone between them, and correspond to ISO 13849-1 safety category 4 and IEC 61496-1 and 2 type 4. Models are available with resolutions of 14 mm (YBB14) for finger and 30 mm (YBB30) for hand protection, with max protection field width of 3.5 and 12 m, respectively.

SICK, Inc.
Minneapolis, MN 55438
Mar 21, 2008 C4000 Select Safety Light Curtain features integrated laser and bar graph alignment system and offers ability to cascade 3 Select pairs or S300/S3000 Safety Laser Scanner. Selectable features include safety field width, 2 beam codes, 1 or 2 beam floating blanking with partial object detection, and extended I/O. Type 4, PL e, SIL 3 safety light curtain is available in 30 mm resolution in protective heights from 300-1,800 mm in 300 mm increments.

Pilz Automation Safety L.P.
Canton, MI 48187
Mar 21, 2008 Suited for machinery safety applications, PSEN op2S/4S Light Barriers feature M22 threaded bodies that are sealed to IP67. Wiring is completed via M12 connectors on transmitter and receiver. Infrared units have max operating range of 8 m and response time of 1.5 ms, while laser version has extended range of 40 m and response time of 320 µs. Barriers conform to requirements of BS EN 954-1, Category 2, 3, or 4, and are compliant and approved in accordance with EN61496-1 and IEC61496-2.

IDEC Corporation
Sunnyvale, CA 94089-2209
Mar 03, 2008 Utilizing crossed-beam detection method, IDEC-DS AS1 photoelectric light grids sense objects as slim as 0.2 mm inside 100 mm height and over operating distances reaching 2.1 m between emitter and receiver. Analog output-equipped IDEC-DS DS1 sensors provide multi-beam light grid suited for detecting and measuring objects with different shapes and sizes. Specifications include 150 mm height, 5 mm resolution, 2.1 mm operating distance, and under 3 ms response time.

Keyence Corporation of America
Woodcliff Lake, NJ 07675
Jan 17, 2008 Available in lengths from 10.12-76.42 in., SL-CHM Series offers both PNP and NPN outputs to satisfy universal requirements. Sensor is surrounded and protected by aluminum frame with minimum wall thickness of 0.16 in. Entire circuit is checked every 15 ms to send stop signal immediately in event of error. To minimize troubleshooting time, curtains include 8 red LEDs that indicate different error sources. Brackets are available to prevent beam axes from moving out of place if bumped.

Omron Scientific Technologies Inc.
Fremont, CA 94555
Nov 21, 2007 Available in finger, hand, or hand/limb body protection configurations, F3SJ Series features low profile that allows users to add safety to existing equipment without causing obstruction. Sensors with protective heights up to 2.5 m are available for applications that involve large-sized workpieces. With M12 connectors and 5 mm bending radius, cables can be routed in any direction. Up to 4 sets, or 400 beams, can be connected in series.

Honeywell Sensing and Control
Golden Valley, MN 55422 3935
Jul 17, 2007 Available in 3,000+ product combinations, FF-ST Series lets end users build safety light curtain solutions with variety of resolutions, scanning ranges, and protective heights. Core functionality options include push-pull safety outputs, restart modes, EDM loop options, floating blanking, and muting functions. Available in Type 2 European standards and Type 4 global standards, curtains are designed to be installed without use of software, dip switch, or configuration/micro card.

Omron Scientific Technologies Inc.
Fremont, CA 94555
May 08, 2007 Available in Advanced, Standard, and Basic versions, MiniSafe® MS4800 series is suited for use in multi-sided and dual-axis guarding applications. Cascaded configuration minimizes cabinet space requirements, and optical scan codes eliminate cross talk, enabling OEMs to consistently build identical machines without staggering transmitter and receiver position. Models cover protection heights from 11-85 in. and offer sensing ranges from 23-65 ft, with resolutions from 0.55-1.57 in.

Schmersal Inc.
Tarrytown, NY 10591
Nov 09, 2006 Safety Category 4 light curtains feature 7-segment LED, IP65 ingress protection rating, plug-in quick-connect cables, and dual 500 mA PNP safety output. Available in 14, 20, and 90 mm resolutions, Model SLC410-B has protection fields of 160-1810 mm, and range of up to 18 m. Model SLC410-BM features Master-Slave connection capability and integrated muting sensors, while Model SLC415 is available in I, L, or T configurations, with protection fields of 310, 510, and 810 mm.

Baumer Ltd.
Southington, CT 06489 1534
Jun 27, 2006 Digital optical line sensor, ParCon ZADM 034P, projects continuous 24 mm wide parallel beam to reflector, permitting detection of moving parts as small as 0.5 mm. Able to detect and count metallic and non-metallic objects at processing rates in excess of 0.25 ms, mini light curtain sensor has minimum output pulse length of 10 ms and max scanning rate of 4 kHz. Users can program minimum object size using pushbutton teach-in process.

SICK, Inc.
Minneapolis, MN 55438
May 17, 2006 As safeguarding solution for point of entry applications, M4000 Advanced provides access protection to various machine applications. Product uses corner mirrors to protect up to 4-sided applications and does not require PC. When used with UE403 Muting Module, product offers solution for decentralized conventional muting applications involving automatic material transport. Integrated LED status indicator mounted on end cap is visible from any direction.

Scientific Technologies Inc.
Fremont, CA 94555
May 10, 2006 Available in sizes from 40-56 in., Light Duty Floor Stand offers mounting alternative for light curtains as well as their PA4600 Perimeter Access Guarding Device. Mounting brackets and concrete mounting bolts are included, and no additional accessories are required. Also offered in heavy-duty versions, product is suited for mounting bottom beam of light curtain or perimeter guard within 12 in. from floor to comply with ANSI/RIA R15.06 and other standards.

Baumer Ltd.
Southington, CT 06489 1534
May 02, 2006 Projecting continuous 24 mm wide parallel beam to reflector, ParCon ZADM 034I analog optical line sensor permits edge and width detection to 1.0 mm. With measuring frequency greater than 1 kHz, unit measures metallic and non-metallic objects to resolution of 0.1 mm. User can program minimum object size using push button teach-in process. Housed in 67 x 34 x 16.6 mm package, sensor can control and sort by width/height, control and position sheet materials, and monitor parts for wear.