{"product_id":"allen-bradley-1794-apb-flex-i-o-profibus-dp-communication-adapter","title":"Allen-Bradley 1794-APB FLEX I\/O PROFIBUS DP Communication Adapter","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1794-APB serves as a high-performance PROFIBUS DP communication adapter designed specifically for the FLEX I\/O platform. This robust module acts as a gateway, allowing engineers to seamlessly integrate FLEX I\/O modules into a PROFIBUS DP network architecture. Capable of transmission speeds up to 12 Mbps, it supports up to 8 I\/O modules per adapter, making it an ideal solution for expanding distributed control systems in packaging, material handling, and process automation applications. We supply this item as a 100% Brand New, factory-sealed unit.\u003c\/p\u003e\n\u003ch4\u003ePart Number Breakdown\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1794:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdentifies the Allen-Bradley FLEX I\/O modular platform.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDenotes the Adapter \/ Communication functional category.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eP:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifies the PROFIBUS protocol capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eB:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIndicates the specific hardware revision and feature set.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eParameter\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAllen-Bradley (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFLEX I\/O 1794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003ePROFIBUS DP Communication Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSupported Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003ePROFIBUS DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCommunication Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUp to 12.0 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e9-pin D-shell (Standard drop cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e24V DC (Range: 19.2 - 31.2 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eI\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUp to 8 FLEX I\/O Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eFlexbus Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e640 mA maximum at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e850 Volts DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e400 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e7.68 Watts maximum (at 19.2 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e26 BTU\/hour (at 19.2 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.44 lbs (0.20 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eEngineering Advantages\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed PROFIBUS DP Integration\u003c\/strong\u003e\u003cbr\u003eThe 1794-APB delivers exceptional data throughput with support for all PROFIBUS transmission rates up to 12 Mbps. This high-speed capability ensures rapid data exchange between the master controller and distributed field devices, minimizing latency in time-critical automation processes. The standard 9-pin D-shell connector simplifies integration with existing PROFIBUS cabling infrastructure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Electrical Isolation and Power Management\u003c\/strong\u003e\u003cbr\u003eEngineered for electrically noisy industrial environments, this adapter features a high isolation voltage rating of 850V DC. This protects sensitive network communications from ground loops and voltage spikes on the field side. Additionally, the module provides up to 640 mA of 5V DC current via the Flexbus, ensuring it can reliably power a full complement of 8 FLEX I\/O modules without external backplane power supplies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Mounting and Scalability\u003c\/strong\u003e\u003cbr\u003eThe 1794-APB offers versatile installation options, supporting both standard DIN rail mounting and secure panel mounting (using the 1794-NMI kit). Its compact design allows you to build highly scalable distributed I\/O racks directly on the machine. By supporting up to 8 modules per adapter, it significantly reduces the number of network nodes required, streamlining your overall system architecture.\u003c\/p\u003e\n\u003ch4\u003eFAQs\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many FLEX I\/O modules can the 1794-APB control?\u003c\/strong\u003e\u003cbr\u003eA: A single 1794-APB adapter supports up to 8 FLEX I\/O modules. It provides sufficient Flexbus current (640 mA at 5V DC) to power these modules directly from the adapter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum communication speed of this PROFIBUS adapter?\u003c\/strong\u003e\u003cbr\u003eA: The 1794-APB supports all standard PROFIBUS data rates, with a maximum transmission speed of 12 Mbps, ensuring fast and efficient data transfer for demanding industrial applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of connector does the 1794-APB use for PROFIBUS communication?\u003c\/strong\u003e\u003cbr\u003eA: The module features a standard 9-pin D-shell connector, which is compatible with standard PROFIBUS drop cables and network infrastructure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the isolation voltage rating for the 1794-APB?\u003c\/strong\u003e\u003cbr\u003eA: The adapter provides an isolation voltage of 850V DC, offering strong protection against electrical noise and potential differences between the field-side I\/O and the PROFIBUS network.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53468052684984,"sku":"1794-APB","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1794-APB1.jpg?v=1778833334","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1794-apb-flex-i-o-profibus-dp-communication-adapter","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}