{"product_id":"allen-bradley-1756-oa8d-diagnostic-ac-output-module","title":"Allen-Bradley 1756-OA8D ControlLogix Diagnostic AC Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-OA8D is a ControlLogix diagnostic AC output module designed for high-performance industrial control applications. This module provides 8 diagnostic output points, operating within a voltage range of 74-132V AC. It is engineered to integrate seamlessly into the ControlLogix platform, offering field-side diagnostics and electronic fusing to enhance system reliability and simplify troubleshooting in complex automation environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e8 diagnostic output points for enhanced monitoring and fault detection.\u003c\/li\u003e\n\u003cli\u003eOperating voltage range: 74-132V AC (nominal 120V AC).\u003c\/li\u003e\n\u003cli\u003eElectronically fused outputs to protect against overcurrent conditions.\u003c\/li\u003e\n\u003cli\u003eField-side diagnostics provide real-time status feedback to the controller.\u003c\/li\u003e\n\u003cli\u003eDesigned for the ControlLogix chassis-based architecture.\u003c\/li\u003e\n\u003cli\u003e20-pin connector interface for standard wiring configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1756-OA8D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDiagnostic AC Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e8 Diagnostic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e74-132V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V)\u003c\/td\u003e\n\u003ctd\u003e175 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24V)\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50V Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.26 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical arcing or damage to the backplane.\u003c\/li\u003e\n\u003cli\u003eThe module requires a compatible 20-pin Removable Terminal Block (RTB) for field wiring.\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding of the chassis and shielding of signal cables to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eVerify that the field power supply matches the 74-132V AC input requirements before energizing.\u003c\/li\u003e\n\u003cli\u003eHandle the module using ESD-safe practices to prevent damage to sensitive internal components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1756-OA8D?\u003c\/h3\u003e\u003cp\u003eThe 1756-OA8D is a diagnostic AC output module used to control field devices while providing diagnostic data back to the ControlLogix processor, such as detecting open or short circuits.\u003c\/p\u003e\u003ch3\u003eDoes this module require external fusing?\u003c\/h3\u003e\u003cp\u003eThe module features electronic fusing for output protection, which helps reduce the need for external fuses while providing faster fault response.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50912715178236,"sku":"1756-OA8D","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_53c8a4cd-a0f3-423d-b67f-3aa92cf4b42a.jpg?v=1785755008","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-1756-oa8d-diagnostic-ac-output-module","provider":"Electronic PLC","version":"1.0","type":"link"}