{"product_id":"slc-500-digital-combination-module-1746-io8-allen-bradley","title":"SLC 500 Digital Combination Module 1746-IO8 | Allen-Bradley","description":"\u003ch2 style=\"color: #1A237E; font-size: 22px; font-weight: bold; margin-bottom: 12px;\"\u003eAllen-Bradley 1746-IO8 SLC 500 AC Digital Combination Module\u003c\/h2\u003e\n\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 15px;\"\u003e\n  The \u003cstrong style=\"color: #0D47A1;\"\u003e\u003cspan style=\"color: #0D47A1;\"\u003eAllen-Bradley 1746-IO8\u003c\/span\u003e\u003c\/strong\u003e is a versatile combination digital I\/O module engineered for the SLC 500 modular control architecture. Weighing approximately \u003cstrong\u003e0.28 kg (0.62 lbs)\u003c\/strong\u003e, this compact card features 4 digital 120V AC inputs and 4 Normally Open (N.O.) relay contact outputs in a single common group, providing an efficient solution for small-to-medium industrial control tasks.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003eKey System \u0026amp; Hazardous Area Features\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 15px;\"\u003e\n  Approved for Class 1, Division 2 (Groups A, B, C, D) hazardous environments, the 1746-IO8 operates with an AC input voltage range of 85 to 132V AC. Relay outputs support switching up to 1.5A at 120V AC and 1.2A at 24V DC. With low thermal dissipation (3W total aggregate), NEMA ICS 2-230 noise immunity, and CE\/CSA\/C-UL compliance, it delivers high operational stability under heavy shock (30G) and vibration conditions.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; color: #333333; margin-bottom: 15px;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0; width: 40%;\"\u003eManufacturer \u0026amp; Series\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eRockwell Automation | Allen-Bradley SLC 500\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003ePart \/ Catalog Number\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e1746-IO8\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eModule Configuration\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eCombination Module (4 AC Inputs \/ 4 Relay Outputs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eInput Operating Voltage\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e85…132V AC @ 47…63 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eOutput Voltage \u0026amp; Current\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e5…265V AC \/ 5…125V DC | 1.5A @ 120VAC \/ 1.2A @ 24VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eSignal Delay \u0026amp; Heat Dissipation\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e35…45 ms Delay | 3 Watts Aggregate Heat Dissipation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eBackplane Power Consumption\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e30 mA (0.03A) @ 5V DC | 25 mA (0.025A) @ 24V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eHazardous Location Ratings\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003eClass 1, Division 2, Groups A, B, C, D Rated\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #F5F5F5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold; border: 1px solid #E0E0E0;\"\u003eOperating Temperature \u0026amp; Weight\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #E0E0E0;\"\u003e0 °C to +60 °C (32 °F to +140 °F) | Approx. 0.28 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003eInstallation \u0026amp; Handling Guidelines\u003c\/h3\u003e\n\u003cul style=\"font-size: 14px; line-height: 1.5; color: #333333; margin-bottom: 15px; padding-left: 20px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChassis Slot Installation:\u003c\/strong\u003e Mount into any available non-CPU slot (slots 1 through 30) within an SLC 500 1746 I\/O chassis. Slot 0 is reserved strictly for the CPU controller.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHazardous Location Compliance:\u003c\/strong\u003e When operating in Class 1, Div 2 locations, ensure all field wiring connections are secured and power is disconnected prior to insertion or removal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring Layout \u0026amp; Cable Routing:\u003c\/strong\u003e Route input and output field power cabling separately from communication and sensor signal lines to prevent induced electrical noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1A237E; font-size: 16px; font-weight: bold; margin-bottom: 8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp style=\"font-size: 13px; line-height: 1.4; color: #333333; margin-bottom: 10px;\"\u003e\n  \u003cstrong\u003eQ1: How many inputs and outputs are available on the Allen-Bradley 1746-IO8 module?\u003c\/strong\u003e\u003cbr\u003e\n  A1: The module provides 4 digital 120V AC inputs and 4 Normally Open (N.O.) relay contact outputs.\n\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; line-height: 1.4; color: #333333; margin-bottom: 10px;\"\u003e\n  \u003cstrong\u003eQ2: Is the 1746-IO8 module suitable for hazardous locations?\u003c\/strong\u003e\u003cbr\u003e\n  A2: Yes, it is rated for installation in Class 1, Division 2, Groups A, B, C, and D hazardous locations.\n\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; line-height: 1.4; color: #333333; margin-bottom: 10px;\"\u003e\n  \u003cstrong\u003eQ3: What are the backplane power draw specifications for this module?\u003c\/strong\u003e\u003cbr\u003e\n  A3: It draws 0.03A (30 mA) from the 5V DC backplane and 0.025A (25 mA) from the 24V DC backplane.\n\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52763839955076,"sku":"1746-IO8","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1746-IO8.jpg?v=1788612321","url":"https:\/\/www.etowonauto.com\/tr\/products\/slc-500-digital-combination-module-1746-io8-allen-bradley","provider":"Etowon Auto","version":"1.0","type":"link"}