{"product_id":"allen-bradley-1794-if4i-isolated-analog-input-module","title":"Allen-Bradley 1794-IF4I Flex I\/O Isolated Analog Input Module","description":"\u003cp\u003eThe Allen-Bradley 1794-IF4I is a high-performance analog input module designed for the FLEX I\/O system. This module provides four isolated analog input channels, offering 16-bit resolution for precise signal monitoring in industrial automation environments. It is engineered to support various voltage and current input configurations, ensuring reliable data acquisition across diverse control applications.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFour isolated analog input channels for enhanced noise immunity and signal integrity.\u003c\/li\u003e\n\u003cli\u003eHigh-resolution 16-bit data conversion.\u003c\/li\u003e\n\u003cli\u003eCompatible with the Allen-Bradley FLEX I\/O platform for flexible distributed I\/O architecture.\u003c\/li\u003e\n\u003cli\u003eSupports a nominal 24V DC external power supply.\u003c\/li\u003e\n\u003cli\u003eRobust construction suitable for demanding industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eIsolated Analog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e4 Isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e+\/- 10V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal DC Supply\u003c\/td\u003e\n\u003ctd\u003e24V DC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current\u003c\/td\u003e\n\u003ctd\u003e50mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e120V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e2.0 W max @ 31.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e6.8 BTU\/hr max @ 31.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 55 degC (32 to 131 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC (-40 to 185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003e5g @ 10 to 500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the system power is disconnected before installing or removing the module from the terminal base.\u003c\/li\u003e\n\u003cli\u003eMount the module on a compatible FLEX I\/O terminal base in a clean, dry, and vibration-controlled enclosure.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices to minimize electrical interference and ensure signal accuracy.\u003c\/li\u003e\n\u003cli\u003eUse shielded cables for analog signal wiring to reduce EMI\/RFI impact.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is securely seated in the terminal base to ensure proper FlexBus connectivity.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to allow for proper heat dissipation and airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1794-IF4I?\u003c\/h3\u003e\u003cp\u003eThe 1794-IF4I is an isolated analog input module used within the Allen-Bradley FLEX I\/O system to convert analog signals from field devices into digital data for processing by a PLC or controller.\u003c\/p\u003e\u003ch3\u003eDoes this module require an external power supply?\u003c\/h3\u003e\u003cp\u003eYes, the module requires a nominal 24V DC external power supply to operate the analog input circuitry.\u003c\/p\u003e\u003ch3\u003eAre the input channels isolated?\u003c\/h3\u003e\u003cp\u003eYes, the 1794-IF4I features four isolated input channels, which help prevent ground loops and protect the module from voltage spikes in the field wiring.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51028035633404,"sku":"1794-IF4I","price":91.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_55bfdd6c-bf56-43a6-b5a7-ef8b81b3635d.jpg?v=1787941058","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-1794-if4i-isolated-analog-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}