{"product_id":"f3sj-e0305n25-omron-safety-light-curtain-f3sj-series","title":"F3SJ-E0305N25 Omron Safety Light Curtain F3SJ Series","description":"\u003cp\u003eThe \u003cstrong\u003eOmron F3SJ-E0305N25\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eF3SJ-E\u003c\/strong\u003e Safety Light Curtain, operates as a dedicated hardware component for optoelectronic perimeter detection and intrusion output switching within machinery safety interlocking loops.\u003c\/p\u003e\n\u003ch3\u003eModel Suffix Structure \u0026amp; Parameter Matrix\u003c\/h3\u003e\n\u003cp\u003eThe alphanumeric model designation encodes structural dimensions, output transistor topology, physical optical spacing, and sensing resolution limits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eF3SJ-E\u003c\/strong\u003e: Easy-type series variant dedicated to fundamental presence sensing without software configuration overhead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0305\u003c\/strong\u003e: Designates a vertical protective sensing height of 305 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eN\u003c\/strong\u003e: Represents NPN open-collector switching logic outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25\u003c\/strong\u003e: Indicates a 20 mm optical beam gap yielding a 25-mm diameter object resolution limit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications \u0026amp; Technical Parameters\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eF3SJ-E0305N25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e400 mm x 120 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eEmitter: 41 mA max.; Receiver: 40 mA max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Voltage\u003c\/td\u003e\n\u003ctd\u003eSELV\/PELV 24 VDC +\/-20% (ripple p-p 10% max.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eType 4 safety light curtain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eNPN output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeam Count\u003c\/td\u003e\n\u003ctd\u003e14 beams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective Height\u003c\/td\u003e\n\u003ctd\u003e305 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand and Arm Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Capability\u003c\/td\u003e\n\u003ctd\u003e25-mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeam Gap\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Range\u003c\/td\u003e\n\u003ctd\u003e0.2 to 7 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Source\u003c\/td\u003e\n\u003ctd\u003eInfrared LED (870 nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Connectivity \u0026amp; Fieldbus Integration\u003c\/h3\u003e\n\u003cp\u003eThe optical safety array integrates directly into high-density I\/O fieldbus architectures utilizing Ethernet-based protocols such as Profinet and EtherNet\/IP. Real-time diagnostic states propagate across controller platforms with minimal communication latency, while internal firmware flash compatibility ensures synchronized hardware switching execution without backplane throughput bottlenecks.\u003c\/p\u003e\n\u003ch3\u003eBill of Materials \u0026amp; Ordering Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron F3SJ-E0305N25 Optical Emitter Module\u003c\/li\u003e\n\u003cli\u003e1 x Omron F3SJ-E0305N25 Optical Receiver Module\u003c\/li\u003e\n\u003cli\u003e1 x Intermediate Mounting Hardware Set\u003c\/li\u003e\n\u003cli\u003e1 x Installation \u0026amp; Alignment Instruction Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Mounting \u0026amp; Field Wiring Execution\u003c\/h3\u003e\n\u003ch4\u003eMechanical Alignment \u0026amp; Structural Fastening\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMount the emitter and receiver heads perfectly parallel to each other across the designated 0.2 to 7 m operating span.\u003c\/li\u003e\n\u003cli\u003eSecure all bracket fasteners to rigid machine frames to eliminate alignment drift caused by operational shock or vibration.\u003c\/li\u003e\n\u003cli\u003eVerify vertical optical centerline axis convergence prior to tightening final mounting bolts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSupply Connections \u0026amp; Shielding Protocol\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSupply power exclusively from a SELV\/PELV 24 VDC source with peak-to-peak ripple restricted strictly to 10% max.\u003c\/li\u003e\n\u003cli\u003eMaintain dedicated wire routing conduits for sensor lines, isolated from high-voltage AC motor drives and VFD cabling.\u003c\/li\u003e\n\u003cli\u003eAttach the aluminum outer housing to protective earth ground using low-impedance copper ground straps to suppress ambient EMI.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Questions \u0026amp; Operating Diagnostics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What supply voltage tolerances must the DC power circuit maintain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The SELV\/PELV supply must maintain 24 VDC within +\/-20% regulation, restricting peak-to-peak ripple below 10% max to protect internal processing logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is live hot-swapping or cable disconnection permitted during system operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, live cable servicing is strictly prohibited. Always de-energize the 24 VDC main supply prior to disconnecting or reconnecting sensor cables to prevent transistor damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What target detection threshold does this 14-beam optical array establish?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: With a 20 mm optical beam gap across 14 beams, the array detects opaque objects down to a 25-mm diameter, delivering hand and arm intrusion safeguarding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What state do the NPN outputs maintain when the optical path remains uninterrupted?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Under clear optical conditions, internal NPN switching transistors pull output lines active low, sinking current down to the 0 VDC reference rail.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the current consumption for the emitter and receiver heads under no-load conditions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Operating a 14-beam array under no load, the emitter consumes a maximum of 41 mA and the receiver consumes up to 40 mA from the 24 VDC supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What ingress protection rating applies to the external metal housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The extruded enclosure assembly satisfies IP65 standards, preventing dust ingress and protecting internal optics against low-pressure water sprays from any direction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What optical wavelength does the transmitter diode array output?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The emitter module houses solid-state infrared LEDs operating at a peak wavelength of 870 nm to transmit optical signals to the receiver array.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How can noise-induced trip events be prevented in high-EMI industrial setups?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Route shielded cables through dedicated metallic conduits and terminate the cable shield wire to protective earth ground at a single connection point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306631446701,"sku":"F3SJ-E0305N25","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/F3SJ-E0305N25_3.jpg?v=1789709048","url":"https:\/\/www.maxwellplc.com\/products\/f3sj-e0305n25-omron-safety-light-curtain-f3sj-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}