{"product_id":"gl-r24l-keyence-safety-light-curtain-body-protection-system","title":"GL-R24L Keyence Safety Light Curtain | Body Protection System","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eDesigned to safeguard hazardous industrial perimeters, the \u003cstrong\u003eGL-R24L\u003c\/strong\u003e main unit represents an advanced Type 4 safety light curtain from the \u003cstrong\u003eGL-R Series\u003c\/strong\u003e by \u003cstrong\u003eKeyence\u003c\/strong\u003e. Configured with 24 optical axes and a \u003cstrong\u003e36.22\" (920 mm)\u003c\/strong\u003e detection height, this \u003cstrong\u003eGL-R24L\u003c\/strong\u003e barrier delivers reliable body-protection monitoring with a \u003cstrong\u003e40 mm\u003c\/strong\u003e beam pitch and a maximum operating range up to \u003cstrong\u003e49.21' (15 m)\u003c\/strong\u003e. Built within a durable aluminum housing rated at \u003cstrong\u003eIP65\/IP67\u003c\/strong\u003e, it integrates flexible optical or wire synchronization alongside dual transistor OSSD outputs for critical machine safety loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specification Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering Parameter\u003c\/th\u003e\n\u003cth\u003eOperational Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand \/ Manufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eKeyence\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eGL-R24L\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eGL-R Series\u003c\/strong\u003e Safety Light Curtains\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice Classification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMain Unit, Body-Protection Type (24 Optical Axes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection Capability \u0026amp; Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBeam diameter \u003cstrong\u003eø1.77\" (45 mm)\u003c\/strong\u003e, Detection height \u003cstrong\u003e36.22\" (920 mm)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBeam Axis Spacing \u0026amp; Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e40 mm\u003c\/strong\u003e spacing, Operating distance \u003cstrong\u003e0.66 to 49.21' (0.2 to 15 m)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time (OSSD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWire sync: \u003cstrong\u003e7 ms\u003c\/strong\u003e (ON to OFF); Optical sync: \u003cstrong\u003e9.5 ms\u003c\/strong\u003e (ON to OFF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl \u0026amp; Auxiliary Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x OSSD transistor outputs (Max 500 mA), AUX output (Max 50 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Inputs \u0026amp; Muting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEDM, wait, reset, muting 1\/2, override inputs (PNP\/NPN selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e24 VDC\u003c\/strong\u003e ±20% (Ripple P-P 10% or less, Class 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransmitter: \u003cstrong\u003e57 mA\u003c\/strong\u003e, Receiver: \u003cstrong\u003e76 mA\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure \u0026amp; Environmental Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum case, \u003cstrong\u003eIP65\/IP67\u003c\/strong\u003e rating, Operating temp \u003cstrong\u003e-10 to +55 °C\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType 4 ESPE, SIL3, PLe (Cat 4, EN ISO13849-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhysical Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransmitter: \u003cstrong\u003e1330 g\u003c\/strong\u003e, Receiver: \u003cstrong\u003e1340 g\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Installation Protocol\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003eGL-R24L\u003c\/strong\u003e transmitter and receiver pairs rigidly onto opposing machine frame columns using secure vibration-dampening brackets.\u003c\/li\u003e\n\u003cli\u003eAlign the optical axes carefully, utilizing the built-in beam indicators to achieve maximum effective aperture alignment within the \u003cstrong\u003e±2.5°\u003c\/strong\u003e limit.\u003c\/li\u003e\n\u003cli\u003eRoute synchronization and OSSD control wiring through noise-shielded conduits, ensuring cable lengths stay within specified limits to minimize residual voltage drop (Max 2.5 V).\u003c\/li\u003e\n\u003cli\u003eVerify proper selection of PNP or NPN output wiring types to match your safety PLC or emergency shutdown logic configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning and Operational Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTest mutual interference prevention settings when operating dual adjacent GL-R systems by configuring channels via optical switches or wiring.\u003c\/li\u003e\n\u003cli\u003eVerify EDM (External Device Monitoring) loop functionality and response times during initial dry-run interlock checks.\u003c\/li\u003e\n\u003cli\u003eInspect front protective covers periodically for dust, oil, or scratch accumulation that could trigger nuisance trips or obscure beam transmission.\u003c\/li\u003e\n\u003cli\u003eStore spare light curtain units within controlled storage environments ranging from \u003cstrong\u003e-25 to +60 °C\u003c\/strong\u003e (-13 to 140 °F).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Compatibility and Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully compatible with standard safety controllers, safety PLCs, and safety relay modules accepting Type 4 OSSD transistor signals.\u003c\/li\u003e\n\u003cli\u003eSupports muting lamp connections (incandescent 24 VDC 1-5.5 W or LED 10-230 mA) for automated conveyor material handling integration.\u003c\/li\u003e\n\u003cli\u003eSeamlessly integrates into existing perimeter guarding architectures requiring SIL3 and PLe safety ratings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFulfillment, Warranty, and Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e One \u003cstrong\u003eGL-R24L\u003c\/strong\u003e transmitter unit, one receiver unit, and standard mounting documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Coverage:\u003c\/strong\u003e Backed by an exhaustive \u003cstrong\u003e12-month\u003c\/strong\u003e replacement and repair warranty covering manufacturing flaws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Services:\u003c\/strong\u003e Rapid worldwide dispatch within \u003cstrong\u003e24-48 hours\u003c\/strong\u003e via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Industrial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAutomated robotic cell perimeter access control and material loading zones.\u003c\/li\u003e\n\u003cli\u003eLarge stamping presses, hydraulic brake formers, and metal fabrication machinery.\u003c\/li\u003e\n\u003cli\u003eHigh-speed automated assembly lines and conveyor transfer stations.\u003c\/li\u003e\n\u003cli\u003ePackaging, palletizing, and material handling sortation systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Diagnostic Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt-in error output lines provide immediate transistor-level fault diagnostics for quick troubleshooting by maintenance technicians.\u003c\/li\u003e\n\u003cli\u003eComprehensive current protection guards against reverse polarity, output short-circuits, and transient electrical surges.\u003c\/li\u003e\n\u003cli\u003eMutual interference reduction technology prevents cross-talk between closely mounted safety barriers in dense plant layouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary safety classification of the GL-R24L safety curtain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eGL-R24L\u003c\/strong\u003e is certified as a Type 4 ESPE \/ AOPD safety light curtain, meeting SIL3 and PLe (Category 4) safety compliance standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does wire synchronization differ from optical synchronization?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWire synchronization uses physical hardwired connections between units to optimize response times (7 ms ON-to-OFF), whereas optical synchronization communicates via Channel 0 or Channel A\/B infrared beams.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I connect external muting lamps directly to this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the system features a dedicated muting lamp output supporting incandescent lamps (24 VDC, 1 to 5.5 W) or compatible LED lamps ranging from 10 to 230 mA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat factors should I evaluate when selecting a safety light curtain for high-vibration stamping presses?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways verify the unit's mechanical vibration and shock resistance ratings (such as 100 m\/s2 pulse resistance and rugged aluminum housings), and ensure mounting brackets utilize rubber dampening to prevent optical misalignment over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow can I prevent optical cross-talk when installing two light curtains close to each other?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUtilize the built-in mutual interference prevention function by setting distinct Channel A and B optical settings or switching to wire synchronization to isolate transmission loops.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/h3\u003e\n\u003cp\u003eDeploying safety light curtains like the \u003cstrong\u003eGL-R24L\u003c\/strong\u003e in heavy automotive stamping facilities often presents challenges regarding oil mist accumulation and severe structural vibration. During a recent press line safety retrofit, our engineering team observed intermittent nuisance trips on a primary barrier. Investigation revealed that heavy cutting fluid mist had coated the polycarbonate front cover, scattering the 870 nm infrared beams, while press vibration slightly shifted an un-damped mounting bracket. By cleaning the lenses with an anti-static optical solution and upgrading to heavy-duty isolation mounts, we restored stable optical coupling across the \u003cstrong\u003e36.22\"\u003c\/strong\u003e span and achieved flawless long-term safety loop reliability.\u003c\/p\u003e","brand":"Keyence","offers":[{"title":"Default Title","offer_id":47534175387830,"sku":"GL-R24L","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/GL-R24L-3.jpg?v=1789895674","url":"https:\/\/www.plcsparehub.com\/products\/gl-r24l-keyence-safety-light-curtain-body-protection-system","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}