{"product_id":"allen-bradley-1791ds-ib4xow4-guard-i-o-safety-module","title":"Allen-Bradley 1791DS-IB4XOW4 Guard I\/O Safety Module","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1791DS-IB4XOW4 Guard I\/O Safety Relay Module\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Allen-Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e \u003cstrong\u003e1791DS-IB4XOW4\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Safety Relay Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e Guard I\/O 1791ES \u0026amp; 1791DS Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Rating:\u003c\/strong\u003e \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003eSIL 3, Category 4 (EN 954-1)\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Inputs:\u003c\/strong\u003e 4 discrete safety inputs (current sinking).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e On-state: 11V DC minimum; Off-state: 5V DC maximum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current:\u003c\/strong\u003e 6 mA typical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Relay Outputs:\u003c\/strong\u003e 4 x G7SA-2A2B EN50205 Class A relays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Contact Rating:\u003c\/strong\u003e Resistive: 240V AC\/2A, 30V DC\/2A; Inductive: 240V AC\/2A, 24V DC\/1A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest Outputs:\u003c\/strong\u003e 4 current sourcing outputs (0.7A rated).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 20.4 to 26.4V DC (24V DC nominal).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunications Power:\u003c\/strong\u003e 11 to 25V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 110 mA at 24V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Durability:\u003c\/strong\u003e 5 million operations (mechanical), 100,000 operations (electrical).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Size:\u003c\/strong\u003e 0.2-2.5 mm² (24-12 AWG) solid; 0.34-1.5 mm² (22-16 AWG) flexible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Protocol:\u003c\/strong\u003e DeviceNet with CIP Safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Protection:\u003c\/strong\u003e IP64\/65\/67 ratings available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.31 lbs (0.60 kg).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Features and Safety Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003e1791DS-IB4XOW4 module\u003c\/strong\u003e is designed for constructing \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003eSIL 3 compliant\u003c\/strong\u003e\u003c\/span\u003e safety control networks.\u003c\/li\u003e\n\u003cli\u003eIt integrates four safety relay outputs, eliminating the need for external safety relays.\u003c\/li\u003e\n\u003cli\u003eThe module provides comprehensive status data via LED indicators and DeviceNet messaging.\u003c\/li\u003e\n\u003cli\u003eFeatures include a node address switch and a Phoenix connector for DeviceNet network connection.\u003c\/li\u003e\n\u003cli\u003eIt supports monitoring of individual point status, combined status, and output readback.\u003c\/li\u003e\n\u003cli\u003eThe module operates over a Common Industrial Protocol (CIP) Safety network.\u003c\/li\u003e\n\u003cli\u003eIt is suitable for safety applications requiring high reliability and diagnostic capability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation and Environmental Ratings\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvide a clean 20.4-26.4V DC power supply for the I\/O circuits and relays.\u003c\/li\u003e\n\u003cli\u003eEnsure a separate 11-25V DC supply for the DeviceNet communication interface.\u003c\/li\u003e\n\u003cli\u003eThe module is designed for mounting in enclosures with appropriate environmental protection.\u003c\/li\u003e\n\u003cli\u003eIt operates in a temperature range of 14 to 131°F (-10 to 55°C).\u003c\/li\u003e\n\u003cli\u003eThe module can withstand operating vibration of 5G (57-150Hz) and shock of 10G.\u003c\/li\u003e\n\u003cli\u003eFollow all local safety standards and use recommended wire types for reliable connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What safety level does this module achieve?\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eA: The \u003cstrong\u003e1791DS-IB4XOW4\u003c\/strong\u003e is rated for \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003eSafety Integrity Level 3 (SIL 3)\u003c\/strong\u003e\u003c\/span\u003e and Category 4.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does it include built-in safety relays?\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eA: Yes, it integrates four G7SA-2A2B EN50205 Class A safety relay outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How many safety inputs are available?\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eA: It provides four discrete safety inputs for connecting devices like E-Stops and light curtains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What network does it use?\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eA: It communicates via a DeviceNet network using the CIP Safety protocol.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the relay contact rating?\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eA: Contacts are rated for 2A resistive load at 240V AC or 30V DC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How quickly do you ship?\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eA: Orders ship from \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003estock\u003c\/strong\u003e\u003c\/span\u003e within 3-5 business days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the return policy?\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eA: We \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003eaccept returns\u003c\/strong\u003e\u003c\/span\u003e for new, unused modules within 30 days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ePhone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47296246153474,"sku":"1791DS-IB4XOW4","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/1791DS-IB4XOW4-3.jpg?v=1773902725","url":"https:\/\/www.nex-auto.com\/de\/products\/allen-bradley-1791ds-ib4xow4-guard-i-o-safety-module","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}