{"product_id":"1771-ht3-allen-bradley-plc-i-o-termination-panel-module","title":"1771-HT3 | Allen-Bradley | PLC I\/O Termination Panel Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1771-HT3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a specialized I\/O termination panel within the legacy 1771 Universal I\/O chassis system. While the manufacturer officially discontinued this series on April 30, 2014, we provide\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory-sealed units\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto support your critical infrastructure. This module streamlines the interface between field devices and PLC racks, integrating dedicated Emergency Stop (E-Stop) functionality to enhance system safety and diagnostic clarity.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1771-HT3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eI\/O Termination Panel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley 1771 I\/O Chassis\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated E-Stop Circuitry\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDiagnostics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReal-time Status LED Indicators\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.12 lbs (0.51 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer Status\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDiscontinued (Available as New Surplus)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Troubleshooting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe onboard LED indicators provide immediate visual feedback. Technicians can identify signal status or power faults at a glance without deploying external multimeters, significantly reducing Mean Time to Repair (MTTR).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated E-Stop Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike standard termination blocks, the 1771-HT3 incorporates E-Stop management. This hardware-level integration ensures a reliable path for emergency shutdowns, bypassing software latencies and improving local safety protocols.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Mechanical Fit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module slides directly into standard 1771 racks. It eliminates the need for custom DIN-rail mounting or complex rewiring often required when attempting to retrofit third-party termination solutions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEMI\/RFI Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe rugged construction protects sensitive I\/O signals from the electromagnetic interference common in heavy industrial environments like automotive assembly or steel mills.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit a refurbished or used pull?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. We supply this 1771-HT3 as a 100% brand new, original unit. Despite the manufacturer's 2014 discontinuation, our stock consists of unused surplus in original packaging to ensure maximum lifespan and reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do the LED indicators assist in high-vibration environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe high-visibility LEDs remain legible even in harsh conditions. They allow operators to verify I\/O continuity and E-Stop status without opening secondary enclosures or disturbing wiring that might be sensitive to vibration-induced wear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the primary considerations for replacing an existing 1771-HT3?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure you power down the I\/O chassis before installation. Because this module handles E-Stop signals, verify all safety loops are bridged or correctly wired to the new terminals to prevent unintended machine trips during the initial power-up sequence.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52774150275381,"sku":"1771-HT3","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1771-HT3.jpg?v=1776821037","url":"https:\/\/www.5gplc.com\/products\/1771-ht3-allen-bradley-plc-i-o-termination-panel-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}