{"product_id":"abb-s800-i-o-redundant-analog-output-module-ao845a-3bse045584r1","title":"ABB S800 I\/O Redundant Analog Output Module | AO845A 3BSE045584R1","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB AO845A (3BSE045584R1)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-integrity Analog Output (AO) module within the S800 I\/O system. This module provides 8 channels of 4..20 mA current signals to drive control valves, actuators, and analog positioners. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, featuring advanced loop supervision and support for both single and redundant configurations. It acts as a critical execution component for AC 800M controllers, ensuring precise and reliable process modulation in demanding industrial environments.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eThe AO845A utilizes 12-bit resolution to deliver accurate analog control signals across 8 independent channels:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAO845A \/ 3BSE045584R1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog Output (AO)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e(0) 4...20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 bit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Load Resistance (\u003cspan class=\"math-inline\"\u003e$R_{Lmax}$\u003c\/span\u003e)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e750 ohm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports Single or Redundant pairing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupervision\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLoop supervised DI function\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.2 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (WxHxD)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e45 mm x 119 mm x 102 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNative Hardware Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe AO845A supports redundant pairing. If one module fails, the secondary module takes over the output signal seamlessly. This eliminates single points of failure in critical control loops, such as steam turbine valves or chemical feed pumps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Loop Supervision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach channel includes a supervised Digital Input (DI) function. The module constantly monitors the integrity of the external wiring and the actuator load. It detects open circuits or shorted loops instantly, reporting faults to the DCS before the process deviates from the setpoint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Load Driving Capability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a maximum load resistance of 750 ohms, this module drives signals over long distances through high-impedance field devices. This capability allows for flexible cabinet placement in large-scale plants without requiring external signal boosters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact DIN-Rail Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe slim 45 mm width maximizes the number of analog outputs per linear decimeter of rail space. This high-density design reduces the required number of S800 I\/O stations and minimizes the overall control cabinet footprint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Termination Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module interfaces with a wide variety of Module Termination Units (MTUs), including the TU810, TU812, TU830, and redundant TU842\/TU852. This compatibility allows engineers to select the specific terminal type (screw, spring, or fused) that best fits the site wiring standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the AO845A require a specific MTU for redundancy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. To utilize the redundancy feature, you must install the modules in pairs on a redundant Module Termination Unit, such as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTU842\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTU843\u003c\/strong\u003e. For single applications, standard MTUs like the TU810 are sufficient.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the \"A\" suffix in AO845A?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"A\" version represents an enhanced hardware revision that improves thermal management and signal stability compared to the original AO845, while maintaining full backward compatibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a refurbished or used unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely not. We guarantee this AO845A (3BSE045584R1) is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal hardware. It arrives in the original ABB factory packaging with all security seals and technical documentation intact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module drive a 0..20 mA signal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile optimized for the industrial standard 4..20 mA range, the hardware supports 0..20 mA configurations via software settings in the Control Builder M environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53096061894840,"sku":"AO845A 3BSE045584R1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/AO845A3BSE045584R1.jpg?v=1774430978","url":"https:\/\/www.globalpetroparts.com\/products\/abb-s800-i-o-redundant-analog-output-module-ao845a-3bse045584r1","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}