{"product_id":"omron-g9sx-ex401-rt-expansion-unit-flexible-safety-unit","title":"Omron G9SX-EX401-RT Expansion Unit Flexible Safety Unit","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cb\u003eOmron G9SX-EX401-RT\u003c\/b\u003e\u003cspan\u003e,\u003c\/span\u003e\u003cspan\u003e also cataloged as the \u003c\/span\u003e\u003cb\u003eG9SX-EX401-RT\u003c\/b\u003e\u003cspan\u003e Flexible Safety Unit,\u003c\/span\u003e\u003cspan\u003e operates as a dedicated hardware component for safety output expansion within G9SX safety controller systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003ePart Number Code Interpretation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eG9SX\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Base series designation for flexible safety units\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEX\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Expansion unit functionality\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e4\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e 4 instantaneous safety outputs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e0\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e No OFF-delayed safety outputs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e1\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e 1 auxiliary output\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNo indicator\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e No OFF-delay time setting\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRT\u003c\/b\u003e\u003cspan\u003e:\u003c\/span\u003e\u003cspan\u003e Screw terminal block structure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical \u0026amp; Electrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eG9SX-EX401-RT\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOmron\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModule Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSafety Expansion Unit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJapan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.165 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e115 mm x 25 mm x 125 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Supply Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Voltage Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-15% to 10% of rated supply voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 W max.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Load\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 VAC, 3 A \/ 30 VDC, 3 A (resistive load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Carry Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMax. Switching Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 VAC, 125 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Time (OFF to ON)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 ms max.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eResponse Time (ON to OFF)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 ms max.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-10 to 55 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrical Durability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100,000 cycles min. (rated load, 1,800 cycles\/hour)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMechanical Durability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5,000,000 cycles min. (7,200 cycles\/hour)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVibration Resistance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 to 55 to 10 Hz, 0.375-mm single amplitude (0.75-mm double amplitude)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDeterministic Network \u0026amp; Backplane Integration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe G9SX expansion architecture provides logical linkage signals directly via the dedicated side connector interface to ensure synchronized safety shutdown commands.\u003c\/span\u003e\u003cspan\u003e Internal backplane communication velocity ensures response time limits stay strictly within 10 ms from ON to OFF state activation.\u003c\/span\u003e\u003cspan\u003e Signal processing circuits maintain isolation between channel logic and field output relay drive circuits,\u003c\/span\u003e\u003cspan\u003e ensuring deterministic safety operation without software overhead or firmware flash version dependencies.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003ePackage \u0026amp; Shipping Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 x Omron G9SX-EX401-RT Flexible Safety Expansion Unit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 x Removable Screw Terminal Block Set (Pre-installed)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 x Instruction Manual \/ Instruction Sheet\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMounting \u0026amp; Wiring Procedures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstall the unit on a standard 35-mm DIN rail inside an IP54 or higher rated control enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnsure clear spacing of at least 50 mm above and below the housing for adequate thermal heat convection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWire input and output lines using stranded copper conductors rated for at least 60\/75 deg C.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTighten terminal screws to a torque spec of 0.\u003c\/span\u003e\u003cspan\u003e5 to 0.\u003c\/span\u003e\u003cspan\u003e6 N.\u003c\/span\u003e\u003cspan\u003em to prevent terminal strip thermal damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSeparate safety output wiring from heavy noise-generating AC power lines and inverter motor leads.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Operational Inquiries\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhat is the primary role of the G9SX-EX401-RT expansion module?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt provides four instantaneous safety relay outputs and one auxiliary output to increase switching capacity of a G9SX master unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes the G9SX-EX401-RT require a separate power feed?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes,\u003c\/span\u003e\u003cspan\u003e the unit requires a regulated 24 VDC supply connected across its dedicated power input terminals for internal coil drive.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhat terminal style is supplied on the -RT suffix version?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe -RT suffix indicates the module is equipped with conventional removable screw terminal blocks for field conductor termination.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCan this expansion unit operate standalone without a master unit?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo,\u003c\/span\u003e\u003cspan\u003e it functions as an expansion block and must be linked to a compatible G9SX base safety controller via the expansion connector.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhat is the maximum switching voltage handled by the output contacts?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe output contacts are rated for a maximum switching capacity of 250 VAC or 125 VDC under resistive load conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHow fast does the safety output drop out upon a stop signal?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe unit features an ON-to-OFF response time of 10 ms maximum to guarantee rapid breaking of downstream safety circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWhat is the recommended mounting orientation for this safety unit?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMount the device vertically on a standard 35-mm DIN rail to optimize convective heat flow through the ventilation slots.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIs there an OFF-delay timer available on this specific model?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo,\u003c\/span\u003e\u003cspan\u003e the G9SX-EX401-RT model provides immediate output de-energization without any configurable OFF-delay timing functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306610442413,"sku":"G9SX-EX401-RT","price":162.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/G9SX-EX401-RT-1.jpg?v=1789966783","url":"https:\/\/www.maxwellplc.com\/ru\/products\/omron-g9sx-ex401-rt-expansion-unit-flexible-safety-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}