{"product_id":"allen-bradley-1746-ia8-plc-input-module","title":"Allen-Bradley 1746-IA8 SLC 500 8-Channel 120V AC Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-IA8 is a high-density digital input module designed for use within the SLC 500 programmable controller system. This module provides 8 input channels, specifically engineered to interface with 100\/120V AC field devices. It serves as a critical component for monitoring AC-powered sensors, limit switches, and pushbuttons, converting field-level AC signals into logic-level signals compatible with the SLC 500 processor.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e8-channel digital input configuration.\u003c\/li\u003e\n\u003cli\u003eDesigned for 100\/120V AC input voltage ranges.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard SLC 500 I\/O chassis.\u003c\/li\u003e\n\u003cli\u003eOptical isolation between field-side and logic-side circuitry to protect the controller from electrical noise and transients.\u003c\/li\u003e\n\u003cli\u003eStatus indicators for each channel to facilitate rapid troubleshooting and diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1746-IA8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAC Input Module\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 Category\u003c\/td\u003e\n\u003ctd\u003e100\/120V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus\u003c\/td\u003e\n\u003ctd\u003eDiscontinued (Manufacturer date: 2018-08-19)\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 to prevent electrical shock or damage.\u003c\/li\u003e\n\u003cli\u003eAlign the module carefully with the chassis backplane connector and slide it into the desired slot until the locking tabs engage.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling for input signals to minimize electromagnetic interference (EMI) in industrial environments.\u003c\/li\u003e\n\u003cli\u003eEnsure all field wiring is properly terminated to the removable terminal block and that the terminal block is securely seated on the module.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to ensure proper airflow and cooling within the control cabinet.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD (Electrostatic Discharge) precautions when handling the module to protect internal components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 1746-IA8 still supported by the manufacturer?\u003c\/h3\u003e\u003cp\u003eThe 1746-IA8 was officially discontinued by Allen-Bradley on August 19, 2018. While it is no longer in active production, it remains widely available through secondary market channels for maintenance and legacy system support.\u003c\/p\u003e\u003ch3\u003eCan I use this module with any SLC 500 processor?\u003c\/h3\u003e\u003cp\u003eYes, the 1746-IA8 is designed to be compatible with standard SLC 500 I\/O chassis and can be used with any SLC 500 processor that supports the 1746 I\/O platform, provided the system power supply has sufficient capacity for the module's current draw.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50730754212092,"sku":"1746-IA8","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_fcedb1f5-190f-4fee-81da-f59ea4f52fb0.jpg?v=1785225402","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1746-ia8-plc-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}