{"product_id":"allen-bradley-1746-ob32-slc-500-digital-output-module","title":"Allen-Bradley 1746-OB32 SLC 500 Digital Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1746-OB32\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746-OB32\u003c\/strong\u003e Digital Output Module, operates as a dedicated hardware component for 32-point transistor source output execution within the SLC 500 control platform.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cp\u003eThe 1746-OB32 is an SLC 500 series digital output module designed for DC sourcing applications. It provides 32 transistor-based output channels with a 5 to 50 VDC output range. The module interfaces with the SLC 500 backplane and transfers CPU commands into discrete electrical switching signals.\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Variant\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-OB32\u003c\/td\u003e\n\u003ctd\u003eSLC 500 32 Point Digital Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1746OB32\u003c\/td\u003e\n\u003ctd\u003eAlternate catalog format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eTransistor Source Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries Platform\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley SLC 500\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-OB32\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\u003e0.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.6 x 13 x 14 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital DC Output Module\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\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eTransistor Source Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e5 to 50 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent per Output\u003c\/td\u003e\n\u003ctd\u003e0.5 A to 0.25 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent per Module\u003c\/td\u003e\n\u003ctd\u003e8 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoints per Common\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e190 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBased on backplane current requirement and connected load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC Backplane and I\/O Configuration\u003c\/h3\u003e\n\u003cp\u003eThe 1746-OB32 uses SLC 500 backplane communication for data exchange between the processor and output circuits. The module receives discrete output commands from the controller and activates external DC loads through transistor switching channels.\u003c\/p\u003e\n\u003cp\u003eThe SLC 500 platform supports modular I\/O density scaling, allowing digital output expansion through chassis-based module installation. Proper module addressing and slot configuration are required during controller programming.\u003c\/p\u003e\n\u003cp\u003eThe output circuit design provides separate commons for groups of channels, reducing wiring complexity for multi-load DC control applications.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-OB32 SLC 500 Digital Output Module\u003c\/li\u003e\n\u003cli\u003eModule identification label included\u003c\/li\u003e\n\u003cli\u003eFactory-installed terminal interface included\u003c\/li\u003e\n\u003cli\u003eNo additional programming software or controller hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003ch4\u003eModule Mounting\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module into a compatible SLC 500 chassis slot.\u003c\/li\u003e\n\u003cli\u003eConfirm chassis power is removed before module insertion or removal.\u003c\/li\u003e\n\u003cli\u003eVerify module position matches the configured controller I\/O address.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWiring Requirements\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse appropriate DC-rated wiring according to connected load current.\u003c\/li\u003e\n\u003cli\u003eSeparate high-current output wiring from low-level communication wiring.\u003c\/li\u003e\n\u003cli\u003eConnect field devices according to sourcing output polarity requirements.\u003c\/li\u003e\n\u003cli\u003eCheck terminal connections before applying chassis power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eGrounding and Noise Control\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain proper cabinet grounding practices.\u003c\/li\u003e\n\u003cli\u003eRoute DC output wiring away from high-noise switching equipment.\u003c\/li\u003e\n\u003cli\u003eUse shielding methods when installed near electromagnetic interference sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIs the 1746-OB32 a relay output module?\u003c\/p\u003e\n\u003cp\u003eNo. The 1746-OB32 is a transistor source output module designed for DC switching applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many output channels are available?\u003c\/p\u003e\n\u003cp\u003eThe module provides 32 digital output points arranged for SLC 500 discrete control applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat voltage range does the module support?\u003c\/p\u003e\n\u003cp\u003eThe specified output range is 5 to 50 VDC for transistor source switching.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum module current rating?\u003c\/p\u003e\n\u003cp\u003eThe module current rating is specified as 8 A total across the output assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat backplane current does the module require?\u003c\/p\u003e\n\u003cp\u003eThe module requires 190 mA from the SLC 500 chassis 5 VDC backplane supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the module be installed while powered?\u003c\/p\u003e\n\u003cp\u003eInstallation should follow SLC 500 chassis procedures. Power removal is recommended before module replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat type of field devices can be connected?\u003c\/p\u003e\n\u003cp\u003eThe module can control compatible DC loads requiring sourcing transistor output signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module support firmware upgrades?\u003c\/p\u003e\n\u003cp\u003eThe module does not contain user-upgradable firmware. Operation depends on SLC 500 controller configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066408161453,"sku":"1746-OB32","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-OB32_1-1.jpg?v=1785903947","url":"https:\/\/www.maxwellplc.com\/ru\/products\/allen-bradley-1746-ob32-slc-500-digital-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}