{"product_id":"1746-ni04i-1746nio4i-allen-bradley-slc-500-high-resolution-analog-input-output-module","title":"1746-NI04I 1746NIO4I Allen-Bradley SLC 500 High Resolution Analog Input\/Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1746-NI04I 1746NIO4I\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746-NIO4I\/A\u003c\/strong\u003e High Resolution Analog Input\/Output Module, operates as a dedicated hardware component for processing dual analog inputs and generating dual analog current control outputs within SLC 500 controller networks.\u003c\/p\u003e\n\u003ch3\u003eNomenclature Matrix \u0026amp; Catalog Architecture\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDesignation Level\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTarget Parameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform Family\u003c\/td\u003e\n\u003ctd\u003eSLC 500 Modular Control Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Catalog Number\u003c\/td\u003e\n\u003ctd\u003e1746-NI04I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVariant Spare Identifiers\u003c\/td\u003e\n\u003ctd\u003e1746NIO4I, 1746-NIO41, 1746-NIO4I\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePhysical Dimensions \u0026amp; Electrical Parameters\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1746-NI04I 1746NIO4I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e12.7 cm x 5.1 cm x 15.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C (32 deg F to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.2 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Configuration\u003c\/td\u003e\n\u003ctd\u003e2 channels (-10 to +10 VDC or -20 to +20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Configuration\u003c\/td\u003e\n\u003ctd\u003e2 channels (0 to 20 mA current loops)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus \u0026amp; Network Communication Parameters\u003c\/h3\u003e\n\u003cp\u003eThe hardware utilizes backplane bus communication velocity licences to maintain deterministic data register updates across mixed analog channels. I\/O density scaling capabilities allow operators to expand combination control loops across available rack backplane slots without violating bus timing constraints or scan interval limits. Firmware flash compatibility ensures that low-level communication protocol stacks remain synchronized with processor modules during active process execution.\u003c\/p\u003e\n\u003ch3\u003eOrder Contents \u0026amp; Bill of Materials\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-NI04I Analog Input\/Output Module (Part Number: 1746NIO4I)\u003c\/li\u003e\n\u003cli\u003e1 x Removable Terminal Block (RTB) Connector Assembly\u003c\/li\u003e\n\u003cli\u003e1 x Technical Compliance Documentation Leaflet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Installation \u0026amp; Field Wiring Directives\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure chassis backplane power is completely isolated before inserting or extracting the hybrid analog module.\u003c\/li\u003e\n\u003cli\u003eMount the unit into any available I\/O slot in the SLC 500 chassis, confirming proper mechanical alignment with guide rails.\u003c\/li\u003e\n\u003cli\u003eConnect field transmitter and actuator wiring to the front removable terminal block using shielded twisted-pair cables.\u003c\/li\u003e\n\u003cli\u003eTerminate all signal cable shield drain wires to the designated panel ground bus to suppress electromagnetic induction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQ: What is the primary function of this module in an automation system?\u003c\/li\u003e\n\u003cli\u003eA: It combines two analog input channels with two analog output channels, handling both sensor data acquisition and actuator command generation.\u003c\/li\u003e\n\u003cli\u003eQ: How many total input and output channels are provided on the card?\u003c\/li\u003e\n\u003cli\u003eA: The hardware features two differential analog input channels and two independent analog current output channels.\u003c\/li\u003e\n\u003cli\u003eQ: What signal ranges are accepted by the input circuitry?\u003c\/li\u003e\n\u003cli\u003eA: The inputs support bipolar voltage ranges of plus or minus 10 VDC and current ranges of plus or minus 20 mA.\u003c\/li\u003e\n\u003cli\u003eQ: What is the output signal range generated by the output channels?\u003c\/li\u003e\n\u003cli\u003eA: The output channels produce a standard industrial analog current range of 0 to 20 mA.\u003c\/li\u003e\n\u003cli\u003eQ: What is the specified operating temperature range for this hardware?\u003c\/li\u003e\n\u003cli\u003eA: The unit functions reliably within an ambient operating temperature range of 0 deg C to +60 deg C.\u003c\/li\u003e\n\u003cli\u003eQ: Does the module support live insertion and removal (hot-swapping)?\u003c\/li\u003e\n\u003cli\u003eA: No, power to the rack chassis must be completely turned off prior to installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eQ: Why is shielding required for the analog signal connections?\u003c\/li\u003e\n\u003cli\u003eA: Shielding prevents high-frequency electrical noise from corrupting precision low-level analog measurements and control loops.\u003c\/li\u003e\n\u003cli\u003eQ: What maintenance checks should be performed periodically?\u003c\/li\u003e\n\u003cli\u003eA: Inspect terminal block screw torque, verify clean ventilation paths around the chassis, and check for module status faults.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066406293677,"sku":"1746-NI04I","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-NI04I33.jpg?v=1785146760","url":"https:\/\/www.maxwellplc.com\/products\/1746-ni04i-1746nio4i-allen-bradley-slc-500-high-resolution-analog-input-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}