{"product_id":"1746-ow16-allen-bradley-slc-500-digital-output-module","title":"1746-OW16 Allen-Bradley SLC 500 Digital Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1746-OW16\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746-OW16\u003c\/strong\u003e Digital Output Module, operates as a dedicated hardware component for relay switching control within the SLC 500 PLC system. The module provides 16 relay output points for discrete load control applications.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Reference\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1746-OW16\u003c\/td\u003e\n\u003ctd\u003eBase catalog number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1746OW16\u003c\/td\u003e\n\u003ctd\u003eSpare model reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003ctd\u003eProgrammable controller platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eRelay contact output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoint Density\u003c\/td\u003e\n\u003ctd\u003e16 output points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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-OW16\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\u003eMalaysia \/ Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.5 x 13 x 14.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSLC 500 Digital Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Points\u003c\/td\u003e\n\u003ctd\u003e16 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eRelay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e250 VAC \/ 125 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8538903000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and Industrial Control Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1746-OW16 operates as a discrete output interface within the SLC 500 control architecture. The module receives output commands through the SLC backplane communication bus and converts processor instructions into relay contact switching actions.\u003c\/p\u003e\n\u003cp\u003eFor Allen-Bradley PLC systems, I\/O density scaling depends on chassis configuration, processor capability, and available backplane resources. The module communicates through the SLC 500 backplane rather than direct Ethernet or field network protocols.\u003c\/p\u003e\n\u003cp\u003eRelay outputs provide electrical isolation between the PLC logic circuit and external field devices. Proper load classification, suppression components, and wiring separation are required when controlling inductive equipment such as contactors, solenoids, or motor starters.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-OW16 SLC 500 16 Point Relay Output Module\u003c\/li\u003e\n\u003cli\u003e1 x Standard industrial protective packaging\u003c\/li\u003e\n\u003cli\u003e1 x Product identification label\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eModule Mounting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module in a compatible SLC 500 chassis slot.\u003c\/li\u003e\n\u003cli\u003eVerify chassis power is removed before installation or removal.\u003c\/li\u003e\n\u003cli\u003eConfirm slot addressing and controller configuration before operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eField Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse appropriate wire sizing according to the connected load current.\u003c\/li\u003e\n\u003cli\u003eSeparate relay output wiring from low-level analog signal wiring.\u003c\/li\u003e\n\u003cli\u003eInstall external suppression devices for inductive loads where required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Verification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm output voltage compatibility before connecting field devices.\u003c\/li\u003e\n\u003cli\u003eCheck relay contact ratings against the application load.\u003c\/li\u003e\n\u003cli\u003eVerify grounding and cabinet wiring practices before energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Questions and Answers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the 1746-OW16 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1746-OW16 provides 16 relay output points for switching external field devices from an SLC 500 PLC processor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1746-OW16 use transistor outputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module uses relay outputs, allowing switching of AC and DC loads within the specified voltage ratings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the module be installed in any SLC 500 chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstallation requires a compatible SLC 500 chassis and proper processor configuration within the controller system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1746-OW16 communicate through Ethernet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module exchanges data through the SLC 500 backplane communication interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat voltage loads can the relay outputs handle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports output switching applications up to 250 VAC or 125 VDC according to the provided specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs hot swapping supported for the 1746-OW16?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePower should be removed before module installation or removal. Hot swap operation is not specified.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAre external protection components required?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInductive loads may require suppression components to reduce electrical noise and protect relay contacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before commissioning?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVerify wiring, load ratings, slot configuration, and controller recognition before applying field power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066408489133,"sku":"1746-OW16","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-OW16-0.jpg?v=1785906622","url":"https:\/\/www.maxwellplc.com\/products\/1746-ow16-allen-bradley-slc-500-digital-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}