{"product_id":"allen-bradley-1794-ij2xt-point-input-frequency-module","title":"Allen Bradley 1794-IJ2XT Point Input Frequency Module","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen‑Bradley 1794‑IJ2XT\u003c\/strong\u003e is a high‑speed frequency input module for the POINT I\/O platform. It provides two isolated frequency‑measurement channels designed for harsh‑environment applications, supporting extended‑temperature operation and reliable signal acquisition from tachometers, proximity probes, and pulse‑based sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHardware Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\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\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e1794‑IJ2XT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eAllen‑Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003ePOINT I\/O XT (Extended‑Temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModule Type\u003c\/th\u003e\n\u003ctd\u003eFrequency Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChannels\u003c\/th\u003e\n\u003ctd\u003e2 isolated frequency input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Type\u003c\/th\u003e\n\u003ctd\u003ePulse \/ frequency signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Rating\u003c\/th\u003e\n\u003ctd\u003eExtended‑temperature XT class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIsolation\u003c\/th\u003e\n\u003ctd\u003eChannel‑to‑channel and channel‑to‑bus isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003ePOINT I\/O terminal base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eHigh‑speed frequency measurement in harsh environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eI\/O Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFunctional Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794‑IJ2XT module provides two high‑speed frequency‑measurement channels for POINT I\/O systems. It is designed for pulse‑based sensors such as magnetic pickups, proximity probes, and tachometer devices. As part of the XT (Extended‑Temperature) family, it supports operation in demanding industrial environments where temperature extremes and vibration are present.\u003c\/p\u003e\n\u003cp\u003eEach channel offers isolated frequency acquisition, ensuring stable measurement and noise immunity. The module integrates seamlessly with POINT I\/O architectures, enabling distributed high‑speed monitoring for rotating machinery, speed feedback loops, and pulse‑driven process instrumentation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the 1794‑IJ2XT measure?\u003c\/strong\u003e It measures frequency signals from pulse‑based sensors such as tachometers and proximity probes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many channels does the module have?\u003c\/strong\u003e It provides two isolated frequency input channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What makes the XT version different?\u003c\/strong\u003e XT modules support extended‑temperature operation and enhanced environmental durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it compatible with standard POINT I\/O bases?\u003c\/strong\u003e Yes. It mounts on standard POINT I\/O terminal bases.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eField Installation Guidelines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain shield continuity on pulse‑signal wiring to reduce noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure proper grounding and separation from high‑current conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify sensor polarity and wiring before energizing the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspect terminal base connections for secure seating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse ESD‑safe handling procedures during installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43766867918922,"sku":"1794-IJ2XT","price":580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/1794-IB16_3.png?v=1741073734","url":"https:\/\/www.topbrandsplc.com\/products\/allen-bradley-1794-ij2xt-point-input-frequency-module","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}