{"product_id":"allen-bradley-1794-id2-incremental-encoder-module","title":"Allen-Bradley 1794-ID2 FLEX I\/O 2-Channel Incremental Encoder Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1794-ID2 is a high-speed, 2-channel incremental encoder counter module engineered for the FLEX I\/O 1794 platform. This module functions as a high-speed pulse interface, converting raw mechanical rotational feedback into digital data for the programmable automation controller. It is designed for precision applications requiring high-speed counting, such as robotic positioning, conveyor synchronization, web-tension control, and continuous process monitoring. By processing pulses independently of the main controller scan cycle, the 1794-ID2 minimizes latency and improves tracking accuracy in high-speed industrial environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Channel Processing:\u003c\/strong\u003e Features two independent high-speed counter channels, each supporting four optocoupled inputs for versatile signal evaluation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Signal Configuration:\u003c\/strong\u003e Supports multiple operating modes including standard Quadrature (Phase A\/B) and Up\/Down count tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Isolation:\u003c\/strong\u003e Integrated 500 VAC continuous optical isolation protects internal circuitry from field-side electrical noise and ground potential differences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Indicators:\u003c\/strong\u003e Equipped with 13 front-panel LEDs, including a bi-color system health indicator and 12 channel-specific status indicators for real-time troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe 1794-ID2 is widely utilized in automation systems where precise motion and position feedback are critical. Typical applications include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-speed conveyor line tracking and synchronization.\u003c\/li\u003e\n\u003cli\u003eRobotic sorting and material handling cells.\u003c\/li\u003e\n\u003cli\u003eMetal rolling mill speed and position control.\u003c\/li\u003e\n\u003cli\u003ePackaging machinery and web-tension monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-ID2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O 1794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounter Channels\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs per Channel\u003c\/td\u003e\n\u003ctd\u003e4 (Optocoupled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Counting Frequency\u003c\/td\u003e\n\u003ctd\u003e100 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e12\/24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e6.0 to 26.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e5 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e17.1 BTU\/hr at 26.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 VAC continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN Rail or Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Down:\u003c\/strong\u003e Always disconnect power from the FLEX I\/O backplane before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure the DIN rail or mounting panel is properly grounded to provide a low-impedance path for EMI\/RFI noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Use shielded twisted-pair cabling for encoder signals to minimize interference in high-EMI environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e This is an open-style device; it must be installed within a suitable industrial enclosure rated for the operating environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Maintain adequate clearance around the module to ensure proper thermal dissipation during operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the maximum pulse frequency supported by the 1794-ID2?\u003c\/h3\u003e\u003cp\u003eThe module supports a maximum counting frequency of 100 kHz.\u003c\/p\u003e\u003ch3\u003eDoes this module support differential encoder signals?\u003c\/h3\u003e\u003cp\u003eYes, the 1794-ID2 is designed to evaluate both complementary and non-complementary differential encoder signals using its optocoupled inputs.\u003c\/p\u003e\u003ch3\u003eWhat type of mounting does this module require?\u003c\/h3\u003e\u003cp\u003eThe 1794-ID2 is designed for standard 35 mm DIN rail mounting or direct surface mounting on a sub-panel within an industrial enclosure.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51004952412412,"sku":"1794-ID2","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_e7ef7528-079c-4d36-ac07-c578e010ffce.jpg?v=1787414932","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1794-id2-incremental-encoder-module","provider":"Electronic PLC","version":"1.0","type":"link"}