{"product_id":"1746-ob16-allen-bradley-slc-500-i-o-module","title":"1746-OB16 Allen-Bradley SLC 500 I\/O Module","description":"\u003cp\u003eConfigured for discrete logic execution in programmable controller architectures, the \u003cstrong\u003eAllen-Bradley 1746-OB16\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746OB16\u003c\/strong\u003e I\/O Module, provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eNomenclature and Part Identification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform Family\u003c\/strong\u003e: 1746 (SLC 500 modular I\/O chassis format)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Function\u003c\/strong\u003e: OB (DC digital sourcing output module)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Density\u003c\/strong\u003e: 16 (Sixteen discrete output points per common terminal)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1746-OB16 (1746OB16)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e24.5 x 16.5 x 5.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.28 A @ 5 VDC (Backplane current load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e10 VDC to 50 VDC source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e7.6 W max total (0.388 W per point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network and Backplane Bus Execution\u003c\/h3\u003e\n\u003cp\u003eIntegrated into the backplane bus communication matrix, the module ensures deterministic signal exchanges across SLC 500 controller backplanes. I\/O density scaling allows rapid state execution across all 16 discrete channels without introducing bus communication latency. Furthermore, firm hardware register mapping ensures immediate firmware flash compatibility with legacy processing units while maintaining stable backplane bus communication velocities.\u003c\/p\u003e\n\u003ch3\u003eScope of Delivery Manifest\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-OB16 Discrete Output Module\u003c\/li\u003e\n\u003cli\u003e1 x Removable Terminal Block (RTB) Connector\u003c\/li\u003e\n\u003cli\u003e1 x Hardware Installation Compliance Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChassis Physical Mounting Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Positioning\u003c\/strong\u003e: Insert the module into any available I\/O slot of a 1746 modular chassis, ensuring power is disconnected from the rack prior to insertion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Segregation\u003c\/strong\u003e: Route high-voltage AC lines away from low-voltage DC output wiring to prevent electromagnetic induction across terminal blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Torque\u003c\/strong\u003e: Secure all field wiring screw terminals firmly to prevent loose connections under high-vibration industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the total number of discrete output channels provided by this module?\u003c\/p\u003e\n\u003cp\u003eThe unit features 16 sourcing DC output points grouped together under a common terminal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the allowable operating voltage range for field loads?\u003c\/p\u003e\n\u003cp\u003eThe module operates across a direct current voltage span from 10 VDC to 50 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow much backplane current does the module draw at 5 VDC?\u003c\/p\u003e\n\u003cp\u003eThe module consumes 0.28 A of current from the 5 VDC backplane power supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this module provide built-in short-circuit protection?\u003c\/p\u003e\n\u003cp\u003eNo, this standard electronic version does not include electronic short-circuit protection, which distinguishes it from the 1746-OB16E variant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum off-state leakage current per output point?\u003c\/p\u003e\n\u003cp\u003eThe off-state leakage current is restricted to a maximum limit of 1 mA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the minimum load current required to maintain proper switching behavior?\u003c\/p\u003e\n\u003cp\u003eThe module requires a minimum load current of 1 mA per active channel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat switching response times can be expected during operation?\u003c\/p\u003e\n\u003cp\u003eSignal propagation delay is rated at 0.1 milliseconds for state turn-on and 1 ms for turn-off under resistive loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the total thermal dissipation generated across all active points?\u003c\/p\u003e\n\u003cp\u003eTotal thermal dissipation reaches 7.6 watts at maximum load conditions, averaging 0.388 watts per point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066407964845,"sku":"1746-OB16","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-OB16_13.jpg?v=1785147734","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1746-ob16-allen-bradley-slc-500-i-o-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}