{"product_id":"allen-bradley-2085-ob16-micro850-digital-output-expansion-module","title":"Allen-Bradley 2085-OB16 Micro850 Digital Output Expansion Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley \u003cstrong\u003e2085-OB16\u003c\/strong\u003e operates as a high-density digital output expansion module within the Micro850 and Micro870 programmable logic controller (PLC) ecosystems. This hardware component expands the base controller's switching capacity by providing 16 discrete sourcing output channels.\u003c\/p\u003e\n\u003cp\u003eThe module acts as a direct command interface, switching DC power lines to drive field assets like pneumatic solenoids, pilot indicator lights, control relays, and small DC motor starters. We supply this automation hardware exclusively as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory-sealed unit\u003c\/strong\u003e, which guarantees zero previous thermal stress, virgin silicon transistor pathways, and unblemished backplane connector pins.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe table below maps the electrical profiles, channel densities, and physical parameters of the 2085-OB16 sourcing output module:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePerformance \u0026amp; Industrial Control Rating\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\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\u003e2085-OB16\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eController Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMicro850 \/ Micro870 PLC Systems\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\u003eSolid-State Digital Transistor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSourcing (Source Type Circuitry)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Number of Outputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10V to 30V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Supply Voltages\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12V DC \/ 24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContinuous Current Per Channel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 Amps Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContinuous Current Per Module\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.0 Amps Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Amber Channel LEDs \/ 1 Green Power LED\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Mechanism\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN Rail or Panel Mount Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximizes Control Density in Tight Enclosures:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe compact form factor packs 16 independent solid-state outputs into a slim module housing. This layout minimizes the physical footprint on the DIN rail, letting panel builders pack higher I\/O counts into shallow terminal junction boxes or congested machinery control panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEliminates Contact Mechanical Wear via Solid-State Sourcing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSolid-state transistors handle all switching operations instead of mechanical copper contacts. This sourcing design eliminates contact arcing, welding, and structural fatigue, delivering millions of rapid switching cycles without degradation when driving reactive inductive loads like solenoid valves.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccelerates Field Diagnosis via Channel-Specific LEDs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA dedicated bank of 16 amber status LEDs lines the front face of the housing. These indicators mirror the exact logical state of the internal transistors, allowing maintenance technicians to verify output status at a glance and isolate downstream wiring faults without hooking up a programming laptop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operational difference between this sourcing module and a sinking output module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 2085-OB16 uses a sourcing configuration, meaning each output channel supplies positive (+VDC) power directly from the module terminal to the field device when activated. The field device must connect back to the common negative (0V DC) return line. Sinking modules, by contrast, pull the load down to the negative return line, requiring a constant positive feed at the field device.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module supply power directly from the PLC backplane to drive heavy field solenoids?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The internal PLC backplane only provides low-power logic voltages to run the module's microchips. Technicians must connect an external, independent 12V or 24V DC power supply to the dedicated field power terminals on the removable front connector block to energize the 16 output circuits and drive connected field loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat precautions prevent electrical back-EMF damage when switching inductive loads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the solid-state design handles standard currents, inductive devices like large relay coils or magnetic clutches generate high-voltage reverse EMF spikes when they turn off. To prevent gradual transistor degradation, technicians should wire a flyback diode in parallel across DC inductive loads to safely suppress voltage surges before they travel back to the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52906301129013,"sku":"2085-OB16","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/2085-OB16.png?v=1779260431","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-2085-ob16-micro850-digital-output-expansion-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}