{"product_id":"allen-bradley-1734-ob8-digital-dc-sourcing-output-module","title":"Allen-Bradley 1734-OB8 Digital DC Sourcing Output Module","description":"\u003ch1\u003eAllen-Bradley 1734-OB8 Digital DC Sourcing Output Module\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1734-OB8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the primary\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1734-OB8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDigital DC Sourcing Output Module utilized to execute discrete 24 VDC load switching across POINT I\/O distributed I\/O platforms. The module provides eight sourcing output channels, transferring output state data through the POINTBus architecture while driving field devices with a nominal 24 VDC output level.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe available documentation identifies a single catalog number:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1734-OB8\u003c\/strong\u003e. No official suffix variants, option codes, or ordering matrix information are specified.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003e1734-OB8\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 Line\u003c\/td\u003e\n\u003ctd\u003ePoint I\/O 1734\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePOINT I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital DC Sourcing Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eSourcing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal On-State Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10 VDC to 28.8 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum On-State Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e0.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum On-State Current\u003c\/td\u003e\n\u003ctd\u003e1.0 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Off-State Leakage\u003c\/td\u003e\n\u003ctd\u003e0.5 mA at 28.8 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n\u003ctd\u003e1.0 A per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Module Current\u003c\/td\u003e\n\u003ctd\u003e2.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Current\u003c\/td\u003e\n\u003ctd\u003e2 A for 10 ms, repeatable every 3 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Signal Delay\u003c\/td\u003e\n\u003ctd\u003e0.1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003e8 yellow output LEDs, 2 green\/red module-network LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003eRack mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.13 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFirmware Compatibility and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe 1734-OB8 increases output density within a POINT I\/O assembly by providing eight sourcing channels in a single module footprint. Output state information is exchanged through the POINTBus backplane, allowing controller-directed operation within distributed I\/O architectures. During module replacement or commissioning, firmware and adapter compatibility should be verified against the installed POINT I\/O communication infrastructure to maintain expected data exchange behavior.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum output current supported by each channel?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach output channel is rated for 1.0 A, with a maximum module current capacity of 2.0 A.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the specified output response time?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe maximum output signal delay is specified as 0.1 ms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module provide diagnostic indication for outputs and network status?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. The module includes eight yellow LEDs for output status and two green\/red LEDs for module and network status indication.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eVerify field devices are compatible with sourcing-type 24 VDC outputs before wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstall the module according to POINT I\/O assembly procedures and ensure proper mechanical retention.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRoute output conductors separately from motor feeders, contactor wiring, and variable frequency drive cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain correct DC polarity throughout field wiring connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspect terminal connections for secure conductor termination before energizing the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm that total connected load current remains within the documented per-channel and module limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFollow cabinet grounding practices and bond cable shields according to site electrical standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43479182082138,"sku":"1734-OB8","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1734-OB82.jpg?v=1781146837","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1734-ob8-digital-dc-sourcing-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}