{"product_id":"ntai01-6632115a1-abb-analog-input-termination-unit-bailey-net-90-infi-90-series","title":"NTAI01 6632115A1 ABB Analog Input Termination Unit Bailey Net 90 \/ Infi 90 Series","description":"\u003cp\u003eThe \u003cstrong\u003eABB NTAI01 6632115A1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNTAI01\u003c\/strong\u003e Analog Input Termination Unit, operates as a dedicated hardware component for analog loop signal conditioning and field termination within Bailey Net 90 and Infi 90 architectures.\u003c\/p\u003e\n\u003ch3\u003eProduct Variants \u0026amp; Part Number Structure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNTAI01\u003c\/strong\u003e: Standard product model designator representing the 8-channel analog input termination block assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6632115A1\u003c\/strong\u003e: Factory spare part identification code used for hardware revision validation and direct unit substitution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003eNTAI01 6632115A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\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\u003e17.8 x 2.5 x 17.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e+5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Types\u003c\/td\u003e\n\u003ctd\u003e4-20 mA, 0-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 OHM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e1000 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 100 ms per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.15% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSystem Execution \u0026amp; Bus Integration\u003c\/h3\u003e\n\u003cp\u003eThe termination unit converts incoming 4-20 mA or 0-20 mA current signals across precision 250 OHM input resistors for high-speed digitizing. Signal data passes through system interface cables maintaining high backplane bus communication velocity to connected Infi 90 controller modules. Optimized hardware structures support I\/O density scaling inside termination cabinets while preserving firmware flash compatibility across standard DCS master modules.\u003c\/p\u003e\n\u003ch3\u003eScope of Delivery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ABB NTAI01 6632115A1 Analog Input Termination Unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Cabinet Wiring Rules\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Cable Termination\u003c\/strong\u003e: Connect field transmitter loop wiring directly to the screw terminals, ensuring correct polarity for 4-20 mA inputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface Cable Connection\u003c\/strong\u003e: Attach the multi-conductor ribbon or round cable from the slave input module securely to the unit header connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarthing Guidelines\u003c\/strong\u003e: Terminate loop cable shields at the designated chassis grounding bus bar to divert high-frequency noise away from analog circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat input resistor value is used on the NTAI01 for current loop sensing?\u003c\/p\u003e\n\u003cp\u003eThe unit incorporates precision 250 OHM termination resistors to convert 4-20 mA or 0-20 mA process loops into internal voltage signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs channel-to-channel isolation supported on this termination unit?\u003c\/p\u003e\n\u003cp\u003eThe unit provides an overall isolation rating of 1000 VAC between field input circuitry and the system backplane logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat power supply voltage does the NTAI01 require for operation?\u003c\/p\u003e\n\u003cp\u003eThe termination board draws its required operational logic power from a regulated +5 VDC system supply rail.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the signal conversion accuracy of the NTAI01 input channels?\u003c\/p\u003e\n\u003cp\u003eThe analog input termination channels maintain an accuracy rating within +\/-0.15% of full scale across standard operating limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the unit be mounted inside a standard termination subrack?\u003c\/p\u003e\n\u003cp\u003eYes, the physical dimensions and mounting holes match standard Bailey Net 90 \/ Infi 90 mounting subrack dimensions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat update rate is achieved across the 8 analog input channels?\u003c\/p\u003e\n\u003cp\u003eThe onboard signal conversion and sampling cycle updates process values in less than 100 ms per active channel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are input signal types selected on the termination unit?\u003c\/p\u003e\n\u003cp\u003eInput signal ranges (4-20 mA or 0-20 mA) are determined by field transmitter wiring configuration and upstream software settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat steps prevent ground loops on shielded analog cables?\u003c\/p\u003e\n\u003cp\u003eEnsure signal cable shields are grounded at only one point, typically at the termination unit grounding bar inside the cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021109186733,"sku":"NTAI01","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/abb-ntai05-termination-unit-enfdgij4uho.jpg?v=1766983265","url":"https:\/\/www.maxwellplc.com\/ru\/products\/ntai01-6632115a1-abb-analog-input-termination-unit-bailey-net-90-infi-90-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}