{"product_id":"1746-obp16-allen-bradley-slc-500-series-high-current-sourcing-dc-output-module","title":"1746-OBP16 Allen-Bradley SLC 500 Series High Current Sourcing DC Output Module","description":"\u003cp\u003eConfigured for high current DC load switching in the SLC 500 control system, the \u003cstrong\u003eAllen-Bradley 1746-OBP16\u003c\/strong\u003e (\u003cstrong\u003e1746-OBP16\u003c\/strong\u003e High Current Sourcing DC Output Module) provides direct physical output execution through 16 source-type DC channels.\u003c\/p\u003e\n\u003ch3\u003eModel Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1746-OBP16 is a digital output module designed for Allen-Bradley SLC 500 chassis systems. The module provides sixteen sourcing DC outputs with a 20.4 to 26.4 VDC supply range and supports higher current field device control compared with standard low-current output modules.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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-OBP16\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh Current Sourcing DC Output Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSLC 500\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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e12.7 x 5.1 x 15.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified by available data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane current: 250 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Configuration\u003c\/td\u003e\n\u003ctd\u003e16 sourcing DC outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20.4 to 26.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e1.5 A or 1 A per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Module Current\u003c\/td\u003e\n\u003ctd\u003e6.4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eSource transistor output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Interface\u003c\/td\u003e\n\u003ctd\u003eSLC 500 chassis backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSLC 500 Control Interface\u003c\/h3\u003e\n\u003cp\u003eThe 1746-OBP16 communicates through the SLC 500 backplane bus and receives output commands from the controller output image table. The module converts processor logic states into DC switching signals for connected field devices.\u003c\/p\u003e\n\u003cp\u003eThe SLC 500 platform uses deterministic scan-based I\/O processing. Output updates are synchronized with the controller scan sequence, allowing predictable timing for discrete actuator control.\u003c\/p\u003e\n\u003ch3\u003eIndustrial Control Architecture\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley SLC 500 system uses modular I\/O expansion to scale digital control capacity. The 1746-OBP16 supports I\/O density scaling by providing sixteen output points within a single chassis slot.\u003c\/p\u003e\n\u003cp\u003eThe module is configured through the processor hardware setup and application program. Firmware compatibility is managed by the installed SLC controller platform and software environment.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-OBP16 High Current Sourcing DC Output Module\u003c\/li\u003e\n\u003cli\u003eCompatible with Allen-Bradley SLC 500 chassis systems\u003c\/li\u003e\n\u003cli\u003eIntegrated 16-point sourcing DC output hardware included\u003c\/li\u003e\n\u003cli\u003eTerminal blocks and field wiring accessories are not included unless specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eModule Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRemove chassis power before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eInsert the module into an available SLC 500 chassis slot.\u003c\/li\u003e\n\u003cli\u003eConfirm module position matches the configured I\/O address.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eField Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConnect DC loads according to sourcing output wiring requirements.\u003c\/li\u003e\n\u003cli\u003eVerify external power supply polarity before energizing outputs.\u003c\/li\u003e\n\u003cli\u003eKeep output wiring separated from sensitive analog signal cables.\u003c\/li\u003e\n\u003cli\u003eConfirm load current remains within the specified output ratings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many output points are available on the 1746-OBP16?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module provides 16 sourcing DC output channels for connection to external DC loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of outputs does the 1746-OBP16 use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module uses sourcing DC transistor outputs designed for switching DC field devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat voltage range does this module support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe specified operating voltage range is 20.4 to 26.4 VDC for source output operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum module output current?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports a total output current rating of 6.4 A across the output channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the backplane current requirement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module requires 250 mA from the SLC 500 chassis backplane at 5 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1746-OBP16 switch AC loads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module is designed for DC sourcing outputs and is not an AC relay output module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require separate communication wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Output data communication is performed through the SLC 500 chassis backplane connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs hot-swapping supported for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module should be installed or removed only with chassis power removed according to SLC 500 procedures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066408194221,"sku":"1746-OBP16","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-OBP16-0.jpg?v=1785906318","url":"https:\/\/www.maxwellplc.com\/products\/1746-obp16-allen-bradley-slc-500-series-high-current-sourcing-dc-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}