{"product_id":"1746sc-ni8u-allen-bradley-slc-500-spectrum-controls-universal-analog-input-module","title":"1746sc-NI8U | Allen Bradley | SLC 500 Spectrum Controls Universal Analog Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen Bradley \u003cstrong\u003e1746sc-NI8U\u003c\/strong\u003e functions as a versatile, high-density universal analog input module for the SLC 500 platform. Engineered by Spectrum Controls for Allen Bradley, this module combines multiple input capabilities—including Thermocouple, RTD, Voltage, and Current—into a single slot footprint. It eliminates the need for separate dedicated modules, significantly reducing rack space and hardware costs. Supporting 31 different input types, the 1746sc-NI8U serves as the ultimate interface for complex processes requiring simultaneous monitoring of temperature, pressure, and flow.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetailed Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley \/ Spectrum Controls\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1746sc-NI8U\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSLC 500\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Channels (configured in 2 groups of 4)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermocouple Types\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJ, K, T, B, E, R, S, N, and C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRTD Types\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePt385\/3916, Ni618\/672, Cu426\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±50mV, ±100mV, ±0.5V, ±2.0V, 0-5V, 1-5V, 0-10V, ±10V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0-20 mA; 4-20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResistance Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0-3000 Ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Filters\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 Hz, 50 Hz, 60 Hz, 250 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.0 Watts Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Brand New Original\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConsolidated Multi-Sensor Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1746sc-NI8U accepts 31 different signal types. This versatility allows engineers to mix Thermocouple, RTD, and 4-20mA signals on a single module, solving the problem of high hardware overhead in systems with diverse sensor arrays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Noise Filtering:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated digital filters (10 Hz to 250 Hz) reject industrial electrical noise and 50\/60 Hz interference. This ensures stable and repeatable readings even when the SLC 500 chassis resides near high-frequency motor drives or heavy switchgear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Overcurrent Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in protection limits input current to 28 mA continuous. This safeguard prevents module damage from field wiring errors or faulty 4-20mA transmitters, maintaining system uptime and protecting your hardware investment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Spare Parts Inventory:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBecause one 1746sc-NI8U replaces multiple dedicated analog cards, maintenance departments reduce their required stock. This \"universal\" approach ensures you always have the correct replacement on hand regardless of the specific signal type required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Accuracy Temperature Sensing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupporting 9 thermocouple types and various RTD standards, the module provides specialized cold-junction compensation and linearization. This delivers laboratory-grade temperature data directly into the PLC processor for tighter process control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1746sc-NI8U 100% Brand New?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We supply this module as 100% Brand New and original. It arrives in factory-sealed packaging to ensure peak performance and long-term reliability in your SLC 500 system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix RTDs and Thermocouples on the same module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module handles inputs in two groups of four. You can configure 8 Voltage\/Current\/TC inputs, or up to 2 RTD\/Resistance inputs depending on the group configuration. Consult the user manual for specific group-based channel limitations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat cables do you recommend for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor Thermocouple inputs, always use shielded, twisted-pair TC extension wire. For RTD, mV, Voltage, or Current signals, we recommend Belden 8761 or an equivalent high-quality shielded cable to prevent electromagnetic interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require external power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1746sc-NI8U draws its operating power directly from the SLC 500 backplane. However, you must ensure your field transmitters have appropriate loop power, as the module functions as a signal receiver.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52870133776693,"sku":"1746sc-NI8U","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1746SC-INI4VI_bdb4d26a-27bc-4cee-b957-7d182ae0e492.jpg?v=1778654239","url":"https:\/\/www.5gplc.com\/products\/1746sc-ni8u-allen-bradley-slc-500-spectrum-controls-universal-analog-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}