{"product_id":"allen-bradley-1771-ovn-digital-i-o-cards","title":"Allen-Bradley 1771-OVN Digital I\/O Cards","description":"\u003cp\u003eConfigured for low-true DC output control in Allen-Bradley 1771 Universal I\/O Chassis networks, the \u003cstrong\u003eAllen-Bradley 1771-OVN\u003c\/strong\u003e (\u003cstrong\u003e1771-OVN\u003c\/strong\u003e Digital Output Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771\u003c\/strong\u003e: Chassis-based Universal I\/O module family for Allen-Bradley PLC architectures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOV\u003c\/strong\u003e: High-density low-true (sinking) DC digital output hardware configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eN\u003c\/strong\u003e: Operating range designation for 10 to 30 VDC field power compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e1771-OVN\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\u003e1.08 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 single-slot chassis module\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\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 backplane bus current draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e10 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e32 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Circuit Type\u003c\/td\u003e\n\u003ctd\u003eLow-True (Current Sinking) Digital Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Density I\/O Isolation and Backplane Determinism\u003c\/h3\u003e\n\u003cp\u003eThe 1771-OVN module maximizes panel layout efficiency through high I\/O density scaling, housing 32 low-true output channels in a single chassis slot. Designed to operate in deterministic EtherNet\/IP and ControlNet remote I\/O architectures, the module isolates field switching transients from backplane logic, preventing cross-talk and preserving backplane bus communication velocity during concurrent multi-channel switching events.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What output logic convention and voltage rating does the 1771-OVN module use?\u003c\/p\u003e\n\u003cp\u003eA: The 1771-OVN utilizes low-true (sinking) output logic, switching connected DC loads within a 10 to 30 VDC operating range.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping allowed for the 1771-OVN module during active rack operation?\u003c\/p\u003e\n\u003cp\u003eA: No, backplane supply power and field circuit voltage must be de-energized prior to inserting or removing the 1771-OVN to prevent electrical transients and backplane communication faults.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect all 10 to 30 VDC field wiring power sources and main chassis backplane power prior to hardware installation or servicing.\u003c\/li\u003e\n\u003cli\u003eSlide the module into the designated chassis slot using the card guides until the top and bottom retention latches securely engage.\u003c\/li\u003e\n\u003cli\u003eWire field power and loads to the corresponding 1771 field wiring arm terminals, verifying correct polarity for low-true current sinking configurations.\u003c\/li\u003e\n\u003cli\u003eRoute field output conductors separately from high-voltage AC lines and VFD cables to minimize electromagnetic interference.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48779946426558,"sku":"1771-OVN","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1771-IXE_2_de151396-cb63-40cf-b219-4a39a1849620.png?v=1787541807","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1771-ovn-digital-i-o-cards","provider":"AutoOilTech Limited","version":"1.0","type":"link"}