{"product_id":"1746-ni8-1746ni8-allen-bradley-slc-500-slc-8-point-analog-input-module","title":"1746-NI8 1746NI8 Allen-Bradley SLC 500 SLC 8 Point Analog Input Module","description":"\u003cp\u003eConfigured for multi-channel analog signal conversion within Allen-Bradley SLC 500 modular control architectures, the \u003cstrong\u003eAllen-Bradley 1746-NI8 1746NI8\u003c\/strong\u003e (\u003cstrong\u003e1746-NI8\/A\u003c\/strong\u003e SLC 8 Point Analog Input Module) provides direct physical and electrical execution for processing eight channels of current and voltage field variables.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown \u0026amp; Configuration Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eComponent Level\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eIdentifier\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003ctd\u003eManufacturer entity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003ctd\u003eModular controller platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003e1746-NI8\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module designation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Part Number\u003c\/td\u003e\n\u003ctd\u003e1746NI8 \/ 1746-NI8\/A\u003c\/td\u003e\n\u003ctd\u003eFactory catalog reference ID\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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-NI8 1746NI8\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e24.5 cm x 16.5 cm 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 (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\u003e3.0 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 differential analog points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Ranges\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, 4-20 mA, plus -10 to +10 VDC\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 updates across analog input channels. I\/O density scaling capabilities allow operators to expand measurement loops across backplane slots without violating update intervals or scan time allocations. Firmware flash compatibility ensures that low-level communication protocol stacks remain synchronized with controller processors during active process monitoring.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Info\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746-NI8 Analog Input Module (Part Number: 1746NI8)\u003c\/li\u003e\n\u003cli\u003e1 x Removable Terminal Block (RTB) Connector\u003c\/li\u003e\n\u003cli\u003e1 x Technical Compliance Documentation Leaflet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure chassis backplane power is completely isolated before inserting or extracting the analog input module.\u003c\/li\u003e\n\u003cli\u003eMount the module into any available I\/O slot within the SLC 500 chassis, ensuring proper alignment with backplane guide rails.\u003c\/li\u003e\n\u003cli\u003eConnect field signal wiring to the removable terminal block using twisted-pair cables with overall shielding.\u003c\/li\u003e\n\u003cli\u003eTerminate shield drain wires to the designated chassis ground bus to minimize electromagnetic interference on voltage and current inputs.\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 operational function of this module within the control system?\u003c\/li\u003e\n\u003cli\u003eA: It receives multi-channel analog current and voltage signals from field transmitters and converts them into digital values for the controller.\u003c\/li\u003e\n\u003cli\u003eQ: How many input channels does the module support simultaneously?\u003c\/li\u003e\n\u003cli\u003eA: The hardware accommodates up to eight independent differential analog input channels.\u003c\/li\u003e\n\u003cli\u003eQ: What signal ranges can be processed by the input circuitry?\u003c\/li\u003e\n\u003cli\u003eA: It supports standard industrial ranges including 4-20 mA, 0-20 mA, and -10 to +10 VDC.\u003c\/li\u003e\n\u003cli\u003eQ: Does the module require an external power supply for signal loops?\u003c\/li\u003e\n\u003cli\u003eA: Depending on loop configuration, external power may be required to drive active field transmitters connected to the input channels.\u003c\/li\u003e\n\u003cli\u003eQ: What is the specified operating temperature range for the hardware?\u003c\/li\u003e\n\u003cli\u003eA: The module functions reliably within an ambient operating temperature range of 0 deg C to +60 deg C.\u003c\/li\u003e\n\u003cli\u003eQ: Does this module support live insertion and removal (hot-swapping)?\u003c\/li\u003e\n\u003cli\u003eA: No, power to the chassis must be turned off prior to installing or removing the unit from the backplane.\u003c\/li\u003e\n\u003cli\u003eQ: Why is proper shielding critical for analog field wiring?\u003c\/li\u003e\n\u003cli\u003eA: Shielding prevents high-frequency electrical noise from distorting low-level current and voltage measurements.\u003c\/li\u003e\n\u003cli\u003eQ: What maintenance procedures are recommended for this hardware?\u003c\/li\u003e\n\u003cli\u003eA: Regularly inspect terminal block connection torque and verify that cabinet ventilation paths remain clear of obstructions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066406817965,"sku":"1746-NI8","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746-NI8_13.jpg?v=1785148276","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1746-ni8-1746ni8-allen-bradley-slc-500-slc-8-point-analog-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}