{"product_id":"allen-bradley-1791es-ib8xobv4-guard-i-o-ethernet-safety-module","title":"Allen-Bradley 1791ES-IB8XOBV4 Guard I\/O Ethernet Safety Module","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1791ES-IB8XOBV4 Guard I\/O EtherNet\/IP Safety 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:\u003c\/strong\u003e 1791ES-IB8XOBV4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e CompactBlock Guard I\/O\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Inputs:\u003c\/strong\u003e Eight (8) current-sinking, IEC 61131-2 Type 3\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003eOn-State Input Voltage:\u003c\/strong\u003e 11 VDC minimum\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-State Input Current:\u003c\/strong\u003e 3.3 mA minimum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Outputs:\u003c\/strong\u003e Four (4) dual-channel, bipolar (sourcing\/sinking pair)\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 2 A max per point\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Module Current:\u003c\/strong\u003e 8 A @ 40°C, 6 A @ 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 19.2 – 28.8 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 250 mA @ 24 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Electronic, with fault detection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Port:\u003c\/strong\u003e One (1) EtherNet\/IP (RJ45) connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP Address Configuration:\u003c\/strong\u003e Rotary switches, BOOTP\/DHCP, or non-volatile memory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic \u0026amp; Monitoring Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe module performs self-diagnostics to ensure continuous safe operation.\u003c\/li\u003e\n\u003cli\u003eIt provides real-time I\/O status feedback for comprehensive circuit monitoring.\u003c\/li\u003e\n\u003cli\u003eOperators can check individual and combined statuses for both inputs and outputs.\u003c\/li\u003e\n\u003cli\u003eThe system monitors test output status and the actual ON\/OFF state of each output.\u003c\/li\u003e\n\u003cli\u003eSeparate pulse test outputs identify wiring shorts and can act as standard outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOutput Performance Details\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePulse test outputs have a maximum leakage current of 0.1 mA.\u003c\/li\u003e\n\u003cli\u003eThey maintain a maximum residual voltage of 1.2 Volts.\u003c\/li\u003e\n\u003cli\u003eWhen controlling a muting lamp, the output current ranges from 5 mA to 25 mA.\u003c\/li\u003e\n\u003cli\u003eThe bipolar output pairs have an on-state voltage drop of ±0.6 Volts.\u003c\/li\u003e\n\u003cli\u003eTheir leakage current remains within ±1 mA for precise control.\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: Is the Allen-Bradley 1791ES-IB8XOBV4 module new and original?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we supply only \u003cstrong\u003e100% brand new and original\u003c\/strong\u003e Allen-Bradley products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What safety level does this module support?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e1791ES-IB8XOBV4\u003c\/strong\u003e is designed for applications requiring up to \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003eSafety Integrity Level (SIL) Category Level 3\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How many inputs and outputs does it have?\u003c\/strong\u003e\u003cbr\u003eA: It provides \u003cstrong\u003e8 safety inputs\u003c\/strong\u003e and \u003cstrong\u003e4 dual-channel safety outputs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the total output current capacity?\u003c\/strong\u003e\u003cbr\u003eA: The total module current is \u003cstrong\u003e8 A at 40°C\u003c\/strong\u003e and \u003cstrong\u003e6 A at 60°C\u003c\/strong\u003e, with derating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How do you set the IP address?\u003c\/strong\u003e\u003cbr\u003eA: You can set it using the front rotary switches, a BOOTP\/DHCP server, or from stored memory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you have this module in stock?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we maintain stock for fast shipping, typically within \u003cstrong\u003e5 business days\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What shipping methods do you use?\u003c\/strong\u003e\u003cbr\u003eA: We ship worldwide via major carriers like \u003cstrong\u003eDHL, FedEx, and UPS\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is your return policy?\u003c\/strong\u003e\u003cbr\u003eA: We offer a \u003cstrong\u003e30-day return policy\u003c\/strong\u003e for unused items in original packaging.\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 | Phone: \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":47296460521730,"sku":"1791ES-IB8XOBV4","price":215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/1791DS-IB8XOB8-1_ad10be98-3ce4-40f1-8931-8f1064dffa0b.jpg?v=1773904722","url":"https:\/\/www.nex-auto.com\/tr\/products\/allen-bradley-1791es-ib8xobv4-guard-i-o-ethernet-safety-module","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}