{"product_id":"allen-bradley-1746sc-ia8i-individually-isolated-ac-input","title":"Allen-Bradley 1746SC-IA8I SLC 500 Isolated Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746SC-IA8I is a high-performance isolated digital input module designed for use with the SLC 500 programmable logic controller platform. Manufactured by Spectrum Controls, this module provides eight individually isolated 100\/120V AC\/DC digital inputs, ensuring robust signal integrity and protection against ground loops in complex industrial control environments. It is engineered to integrate seamlessly into existing SLC 500 chassis configurations.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e8 individually isolated input points, providing 1 point per common for maximum flexibility.\u003c\/li\u003e\n\u003cli\u003eCompatible with 100\/120V AC\/DC signal levels.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the Allen-Bradley SLC 500 system architecture.\u003c\/li\u003e\n\u003cli\u003eHigh-density I\/O design to optimize rack space.\u003c\/li\u003e\n\u003cli\u003eRobust isolation to mitigate electrical noise and interference.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is ideal for industrial automation applications where electrical isolation between input channels is required to prevent cross-talk or ground-related faults. Common use cases include monitoring AC\/DC sensors, limit switches, and push-button signals in manufacturing lines, power distribution panels, and process control systems.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1746SC-IA8I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eIsolated Digital Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e100\/120V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Current\u003c\/td\u003e\n\u003ctd\u003e16 mA @ 120V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Off-state Current\u003c\/td\u003e\n\u003ctd\u003e4 mA @ 20V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e4 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Spectrum Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the SLC 500 chassis power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eHandle the module using ESD-safe practices to prevent damage to internal electronic components.\u003c\/li\u003e\n\u003cli\u003eSeat the module firmly into the designated slot in the SLC 500 chassis and secure it using the integrated locking mechanism.\u003c\/li\u003e\n\u003cli\u003eEnsure that field wiring is properly shielded and routed away from high-voltage AC lines to minimize EMI.\u003c\/li\u003e\n\u003cli\u003eVerify that the common connections for each isolated input are correctly wired according to the specific application requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 1746SC-IA8I compatible with standard SLC 500 racks?\u003c\/h3\u003e\u003cp\u003eYes, this module is designed to be fully compatible with the standard Allen-Bradley SLC 500 chassis backplane.\u003c\/p\u003e\u003ch3\u003eDoes this module require external power for the inputs?\u003c\/h3\u003e\u003cp\u003eThe module receives its backplane power from the SLC 500 chassis, but the input signals themselves must be powered by an external 100\/120V AC\/DC source.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50710316155132,"sku":"1746SC-IA8I","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_74057591-6fb8-4675-9803-3e642d55724e.jpg?v=1785139493","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1746sc-ia8i-individually-isolated-ac-input","provider":"Electronic PLC","version":"1.0","type":"link"}