{"product_id":"allen-bradley-1794-apb-profibus-adapter-module","title":"Allen-Bradley 1794-APB PROFIBUS Adapter Module","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1794-APB PROFIBUS Adapter Module Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cspan style=\"color: #2e6da4;\"\u003eAllen-Bradley\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cspan style=\"color: #2e6da4;\"\u003e\u003cstrong\u003e1794-APB\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e PROFIBUS DP Communication Adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 24 VDC nominal with a 19.2-31.2 VDC range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol:\u003c\/strong\u003e PROFIBUS DP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Speed:\u003c\/strong\u003e Up to \u003cspan style=\"color: #2e6da4;\"\u003e12.0 Mbps\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Capacity:\u003c\/strong\u003e Controls up to \u003cspan style=\"color: #2e6da4;\"\u003e8\u003c\/span\u003e Flex I\/O modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Port:\u003c\/strong\u003e One 9-pin D-Shell connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexBus Current:\u003c\/strong\u003e 640 mA maximum at 5 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e 850 VDC between user power and FlexBus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Draw:\u003c\/strong\u003e 400 mA maximum from the 24VDC supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temp:\u003c\/strong\u003e 0 to 55 °C (32 to 131 °F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Environmental Ratings\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN rail or panel mount (Kit: \u003cstrong\u003e1794-NMI\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Use a highly conductive DIN rail for proper system grounding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarning:\u003c\/strong\u003e Avoid rails made from poorly conducting or corrosive materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temp:\u003c\/strong\u003e -40 to 85 °C (-40 to 185 °F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 7.68 Watts maximum at 19.2 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 3.7 x 3.6 x 3.4 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDiagnostic LED Indicators\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTATUS LED (Red\/Green):\u003c\/strong\u003e Shows the \u003cspan style=\"color: #2e6da4;\"\u003emodule's operational health\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePROFIBUS LED (Red\/Green):\u003c\/strong\u003e Indicates \u003cspan style=\"color: #2e6da4;\"\u003enetwork activity and link status\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal Operation:\u003c\/strong\u003e Both LEDs display a steady \u003cspan style=\"color: #4caf50;\"\u003egreen light\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Condition:\u003c\/strong\u003e The LEDs will show a \u003cspan style=\"color: #f44336;\"\u003ered light\u003c\/span\u003e to signal an issue.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the \u003cstrong\u003e1794-APB\u003c\/strong\u003e adapter brand new and genuine?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, we supply only \u003cspan style=\"color: #2e6da4;\"\u003e100% brand new, original Allen-Bradley equipment\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How many I\/O modules can this adapter support?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The \u003cstrong\u003e1794-APB\u003c\/strong\u003e can support the installation of up to \u003cstrong\u003e8\u003c\/strong\u003e Flex I\/O modules on its backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the operating voltage range for this module?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It operates on \u003cstrong\u003e24VDC nominal\u003c\/strong\u003e, with a safe input range from \u003cstrong\u003e19.2 to 31.2 VDC\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What PROFIBUS communication speeds does it support?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It supports all standard PROFIBUS DP rates up to the maximum of \u003cstrong\u003e12.0 Mbps\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How do I monitor the status of the module?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Use the two diagnostic LEDs. A green \u003cstrong\u003eSTATUS\u003c\/strong\u003e light means normal operation, and a green \u003cstrong\u003ePROFIBUS\u003c\/strong\u003e light indicates good network communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How quickly will my order ship?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e We process and ship orders within \u003cstrong\u003e5 business days\u003c\/strong\u003e via reliable carriers like DHL, FedEx, or UPS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47312878502146,"sku":"1794-APB","price":253.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/1794-APB.jpg?v=1773987733","url":"https:\/\/www.nex-auto.com\/sk\/products\/allen-bradley-1794-apb-profibus-adapter-module","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}