{"product_id":"1791-dsib8xob8-allen-bradley-block-i-o-series-compact-block-module","title":"1791-DSIB8XOB8 Allen-Bradley Block I\/O Series Compact Block Module","description":"\u003cp\u003eConfigured for safety input acquisition and safety output control in DeviceNet industrial networks, the \u003cstrong\u003eAllen-Bradley 1791-DSIB8XOB8\u003c\/strong\u003e (\u003cstrong\u003e1791-DSIB8XOB8\u003c\/strong\u003e Compact Block Module) provides direct physical\/electrical execution for distributed safety I\/O operations.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cp\u003eThe 1791-DSIB8XOB8 is a Compact Block I\/O module designed for DeviceNet communication. It integrates 8 safety inputs with current sinking configuration and 8 safety outputs with current sourcing configuration in a 24 VDC I\/O assembly.\u003c\/p\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\u003e1791-DSIB8XOB8\u003c\/td\u003e\n\u003ctd\u003eBase hardware model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1791DS-IB8XOB8\u003c\/td\u003e\n\u003ctd\u003eAlternate catalog format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1791DS-IB8XOB8\/A\u003c\/td\u003e\n\u003ctd\u003eSpare model reference\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\u003e1791-DSIB8XOB8\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\u003eCompact Block Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eBlock I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interface\u003c\/td\u003e\n\u003ctd\u003eDeviceNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Inputs\u003c\/td\u003e\n\u003ctd\u003e8 points, current sinking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Outputs\u003c\/td\u003e\n\u003ctd\u003e8 points, current sourcing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e110 mA\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\u003e17.1 cm x 6.3 cm x 7.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in provided data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e110 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8538907080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eJapan, China\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 Allen-Bradley POINT and Block I\/O product families are designed around modular industrial control architectures. The 1791-DSIB8XOB8 uses DeviceNet communication for distributed safety signal exchange and supports I\/O density scaling within networked control systems.\u003c\/p\u003e\n\u003cp\u003eThe module architecture separates safety input monitoring and output switching functions, allowing PLC safety controllers to process field device signals through a dedicated communication interface. DeviceNet network configuration parameters must match the connected scanner or controller settings before operation.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1791-DSIB8XOB8 Compact Block Module\u003c\/li\u003e\n\u003cli\u003e1 x Factory-installed electronics assembly\u003c\/li\u003e\n\u003cli\u003e1 x Integrated DeviceNet communication interface\u003c\/li\u003e\n\u003cli\u003e1 x Safety I\/O terminal connection interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003ch4\u003eMechanical Installation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module according to the specified industrial enclosure and installation requirements.\u003c\/li\u003e\n\u003cli\u003eVerify physical clearance for DeviceNet connectors and field wiring access.\u003c\/li\u003e\n\u003cli\u003eSecure the module before connecting field circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eElectrical Connection\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse 24 VDC supply wiring according to the module electrical requirements.\u003c\/li\u003e\n\u003cli\u003eSeparate safety I\/O wiring from high-voltage power conductors.\u003c\/li\u003e\n\u003cli\u003eConfirm correct polarity for current sinking inputs and current sourcing outputs.\u003c\/li\u003e\n\u003cli\u003eConnect DeviceNet wiring with proper shield grounding practices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eConfiguration Checks\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eVerify DeviceNet node addressing before commissioning.\u003c\/li\u003e\n\u003cli\u003eConfirm safety controller configuration matches the installed I\/O structure.\u003c\/li\u003e\n\u003cli\u003eValidate input and output status feedback after power-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat type of communication does the 1791-DSIB8XOB8 use?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module communicates through DeviceNet networks and exchanges safety I\/O data with compatible Allen-Bradley controllers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHow many safety inputs are available on this module?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1791-DSIB8XOB8 provides 8 safety inputs configured as current sinking input channels.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHow many safety outputs are available on this module?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module includes 8 safety outputs configured as current sourcing output channels.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat power supply voltage is required?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module operates with a 24 VDC field power supply connection.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIs the module designed for standard digital outputs?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe output channels are safety-rated outputs intended for safety control applications rather than general-purpose output switching.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCan this module be installed directly on a DeviceNet network?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes. The module includes DeviceNet communication capability for distributed I\/O network installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat installation consideration applies to safety wiring?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSafety input and output circuits should be wired separately and checked against the approved safety control configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDoes the module support firmware compatibility checks?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDevice configuration should be verified against the controller and DeviceNet scanner requirements before system operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066455183533,"sku":"1791-DSIB8XOB8","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1791DSIB8XOB8_1.jpg?v=1785850592","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1791-dsib8xob8-allen-bradley-block-i-o-series-compact-block-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}