{"product_id":"1746-ni4-allen-bradley-slc-500-analog-input-module","title":"1746-NI4 Allen-Bradley SLC 500 Analog Input Module","description":"\u003cp\u003eConfigured for high-precision voltage and current signal acquisition in PLC architectures, the \u003cstrong\u003eAllen-Bradley 1746-NI4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746NI4\u003c\/strong\u003e Analog Input Module, provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eModule Configuration and Variant Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform Identifier\u003c\/strong\u003e: Allen-Bradley SLC 500 Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Identifier\u003c\/strong\u003e: 1746-NI4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Part Number\u003c\/strong\u003e: 1746NI4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Architecture\u003c\/strong\u003e: 4-Channel Differential Analog Input\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\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-NI4\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\u003eUnited States\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\u003e24.5 x 16.5 x 5.5 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e50 mA at 5 VDC, 30 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDifferential Voltage \/ Current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e10 VDC, 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e14-bit binary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Communication and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eEngineered to operate within the rack-mounted SLC 500 chassis, the module communicates via the proprietary high-speed backplane bus. Deterministic data exchange rates synchronize with the CPU scan cycle to maintain predictable update times across all active channels. I\/O density scaling relies on backplane register mapping, allowing seamless integration alongside digital and specialty cards without violating bus current limits or slot limitations.\u003c\/p\u003e\n\u003ch3\u003eStandard Scope of Delivery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-NI4 Analog Input Module\u003c\/li\u003e\n\u003cli\u003e1 x Removable Terminal Block Connector\u003c\/li\u003e\n\u003cli\u003e1 x Hardware Installation Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Installation Procedures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Insertion\u003c\/strong\u003e: Power down the rack before inserting the module into any available slot of the SLC 500 chassis, ensuring proper alignment with the backplane connector guide rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding\u003c\/strong\u003e: Terminate all signal cable shields to the nearest chassis ground lug to suppress electromagnetic interference and high-frequency noise injection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire Stripping\u003c\/strong\u003e: Strip field wiring insulation back by 7 mm to ensure proper engagement within the removable terminal block clamp without exposed copper strands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the channel configuration of this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module features four differential input channels supporting voltage and current signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module support hot-swapping in an active rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, hot-swapping is not supported; main rack power must be turned off prior to insertion or removal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum voltage input supported?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit accepts analog voltage inputs up to 10 VDC across its differential terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow is power supplied to the internal circuitry?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePower is drawn directly from the SLC 500 rack backplane at 5 VDC and 24 VDC rails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of terminal connection is utilized?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA removable terminal block is used for field wiring terminations to facilitate rapid maintenance replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module functions reliably within an ambient temperature range of 0 deg C to 60 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAre the channels galvanically isolated?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eChannels are single-ended relative to backplane common with differential inputs to reject common-mode noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the total weight of the hardware?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module has a verified net weight of 0.3 kg excluding packaging materials.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066406359213,"sku":"1746-NI4","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-ni4_13.jpg?v=1785147847","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1746-ni4-allen-bradley-slc-500-analog-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}