{"product_id":"1746-ox8-allen-bradley-slc-500-series-relay-output-module","title":"1746-OX8 Allen-Bradley SLC 500 Series Relay Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1746-OX8\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746-OX8\u003c\/strong\u003e Relay Output Module, operates as a dedicated hardware component for switching external field devices through isolated relay contacts within the SLC 500 control platform.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cp\u003eThe 1746-OX8 is an SLC 500 digital output module designed with isolated normally open relay contacts. It provides eight output points for discrete load switching applications and interfaces directly with the SLC 500 chassis backplane.\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-OX8\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\u003eRelay 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\u003e0.4 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\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified by available data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Configuration\u003c\/td\u003e\n\u003ctd\u003e8 isolated relay outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eNormally Open (N.O.) relay contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating at 120 VAC\u003c\/td\u003e\n\u003ctd\u003e3 A per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating at 24 VDC\u003c\/td\u003e\n\u003ctd\u003e1.2 A per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Switching Voltage\u003c\/td\u003e\n\u003ctd\u003e265 VAC \/ 125 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Rating\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5 to 95% noncondensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control Network Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1746-OX8 operates as an SLC 500 I\/O expansion component using the SLC backplane communication structure. The module receives output commands from the processor and converts internal logic states into physical relay contact switching.\u003c\/p\u003e\n\u003cp\u003eThe Allen-Bradley SLC platform uses deterministic backplane communication for discrete control execution. Module addressing, output image updates, and controller communication are handled through the SLC processor scan cycle.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-OX8 Relay Output Module\u003c\/li\u003e\n\u003cli\u003eCompatible with Allen-Bradley SLC 500 chassis systems\u003c\/li\u003e\n\u003cli\u003eIncludes integrated relay output hardware\u003c\/li\u003e\n\u003cli\u003eTerminal block and additional 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\u003eMounting and Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module in an available SLC 500 chassis slot.\u003c\/li\u003e\n\u003cli\u003eVerify controller power is removed before module insertion or removal.\u003c\/li\u003e\n\u003cli\u003eConnect field wiring according to relay output contact specifications.\u003c\/li\u003e\n\u003cli\u003eSeparate relay wiring from low-level signal wiring to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eConfirm external load current does not exceed relay contact ratings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePLC Configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfigure the module within the SLC 500 I\/O image table.\u003c\/li\u003e\n\u003cli\u003eVerify output addressing matches the processor program configuration.\u003c\/li\u003e\n\u003cli\u003eCheck relay contact operation before connecting final field loads.\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\u003eDoes the 1746-OX8 provide transistor outputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1746-OX8 uses isolated normally open relay contacts for switching external loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many output channels are available on this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module provides 8 relay output points controlled through the SLC 500 backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1746-OX8 switch both AC and DC loads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The relay contacts support AC and DC switching within the specified voltage and current limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1746-OX8 hot-swappable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module should not be inserted or removed from an energized chassis. Follow SLC 500 installation procedures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of output isolation is provided?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach relay output uses isolated mechanical contacts to provide separation between controller logic and field circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat communication protocol does this module use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module communicates through the SLC 500 chassis backplane and does not use a separate network interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat environmental conditions are supported?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module operates from 0 to 60 deg C with 5 to 95% noncondensing humidity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require firmware configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1746-OX8 is configured through the SLC 500 processor I\/O configuration and does not require separate firmware loading.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066408587437,"sku":"1746-OX8","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-OX8_1-2.jpg?v=1785906450","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1746-ox8-allen-bradley-slc-500-series-relay-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}