{"product_id":"1756-on8-allen-bradley-controllogix-output-module-8-point-ac-card","title":"1756-ON8 Allen Bradley ControlLogix Output Module | 8-Point AC Card","description":"\u003ch3\u003eEngineering Blueprint \u0026amp; Core Architecture\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB Review\u003c\/p\u003e\n\u003cp\u003eIndustrial automation frameworks demand high-density digital actuation across heavy industrial processing lines. Automation specialists deploy the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1756-ON8\u003c\/span\u003e\u003c\/strong\u003e Allen Bradley ControlLogix output module to manage multi-point AC switching efficiently. Global PLC Spare HUB's Insight notes that producer-consumer network models eliminate traditional polling bottlenecks, ensuring deterministic event generation across backplane sub-assemblies.\u003c\/p\u003e\n\u003ch3\u003eGranular Technical Specifications\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Brand:\u003c\/strong\u003e Allen Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line Series:\u003c\/strong\u003e ControlLogix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Part Number:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1756-ON8\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Module Type:\u003c\/strong\u003e Digital AC Output Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Point Capacity:\u003c\/strong\u003e 8 Points (4 points per isolated group)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage Rating:\u003c\/strong\u003e 24 Volts AC (Operating Frequency: 50-60 Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage Band:\u003c\/strong\u003e 10 to 30 Volts AC (Current \u0026gt; 50 mA at 47-63 Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Current (Per Point):\u003c\/strong\u003e 2 Amps at 60 degrees Celsius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Current (Per Module):\u003c\/strong\u003e 5 Amps at 30 degrees Celsius, 4 Amps at 60 degrees Celsius\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation Limit:\u003c\/strong\u003e 5.1 Watts max at 60 degrees Celsius (Thermal Dissipation: 17.39 BTU\/hr)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Power Demand:\u003c\/strong\u003e 200 mA at 5 Volts DC (Total Backplane Power: 1.07 W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Terminal Blocks:\u003c\/strong\u003e 1756-TBNH, 1756-TBSH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage Threshold:\u003c\/strong\u003e 50 Volts Continuous (Basic Insulation Type)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Enclosure Style:\u003c\/strong\u003e Open-type configuration (Requires NEMA-rated cabinet protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Weight:\u003c\/strong\u003e 0.50 lbs (0.23 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Compatibility \u0026amp; Target Application Scenarios\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB Review\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Racks \u0026amp; Chassis:\u003c\/strong\u003e Designed for deployment across standard Allen Bradley 1756 ControlLogix backplane slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Scenario 1:\u003c\/strong\u003e Interfacing low-voltage AC solenoid valves and pilot relays in continuous chemical dosing skids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Scenario 2:\u003c\/strong\u003e Controlling industrial motor starter coils within automated material handling conveyor clusters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Scenario 3:\u003c\/strong\u003e Managing high-speed AC indicator arrays and acoustic alarm sirens on manufacturing assembly floors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Capabilities \u0026amp; Maintenance Protocols\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus LED Monitoring:\u003c\/strong\u003e Observe front-panel channel indicators to instantly verify individual output state energization and fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Health Checks:\u003c\/strong\u003e Monitor controller diagnostic tags for module-level thermal warnings if ambient chassis temperatures approach the 60 °C ceiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Integrity Audits:\u003c\/strong\u003e Routinely inspect removable terminal block screws to prevent high-resistance contact drops during high-vibration production cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics, Global Fulfillment, and Warranty Terms\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB Review\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpress Fulfillment Window:\u003c\/strong\u003e Dispatched within 24 to 48 hours via leading international logistics partners including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational Warranty:\u003c\/strong\u003e Fully protected by a comprehensive 12-month replacement warranty covering component defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e One factory-fresh \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1756-ON8\u003c\/span\u003e\u003c\/strong\u003e module packaged with standard safety documentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpert Frequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB Review\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat specific terminal blocks are required for wiring the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1756-ON8\u003c\/span\u003e\u003c\/strong\u003e module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis hardware requires either the 1756-TBNH or 1756-TBSH removable terminal block (RTB) for secure field connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 10-30V AC operating range affect output current limits?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAt higher operational temperatures up to 60 degrees Celsius, individual points are rated for 2 Amps while total module current is capped at 4 Amps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes unexpected output dropping on a ControlLogix AC card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInadequate terminal screw torque or severe backplane voltage sags typically induce intermittent output dropouts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be hot-swapped while the rack is powered?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, standard safety protocols dictate that system power must be completely isolated before inserting or removing the module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1756-ON8\u003c\/span\u003e\u003c\/strong\u003e require an external enclosure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit features an open-type enclosure design and must be housed inside an appropriate NEMA-rated cabinet to prevent environmental contamination.\u003c\/p\u003e\n\u003ch3\u003eEngineering Selection Guide\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight\u003c\/p\u003e\n\u003cp\u003eVerify your chassis slot power budget accounts for the 200 mA backplane current draw before integrating the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e1756-ON8\u003c\/span\u003e\u003c\/strong\u003e module. Ensure environmental controls maintain internal cabinet temperatures below 60 degrees Celsius to maximize component lifespan and prevent thermal derating.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013913174198,"sku":"1756-ON8","price":168.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1756-ON8.jpg?v=1785140251","url":"https:\/\/www.plcsparehub.com\/products\/1756-on8-allen-bradley-controllogix-output-module-8-point-ac-card","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}