{"product_id":"allen-bradley-1794-ib16d-flex-i-o-diagnostic-input-module","title":"Allen-Bradley 1794-IB16D FLEX I\/O Diagnostic Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1794-IB16D\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1794-IB16D\u003c\/strong\u003e FLEX I\/O Diagnostic Input Module, operates as a dedicated hardware component for field signal acquisition and fault detection within FLEX I\/O network architectures.\u003c\/p\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\u003e1794-IB16D\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\u003e0.20 lbs (0.09 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard FLEX I\/O module footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive backplane load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Current\u003c\/td\u003e\n\u003ctd\u003e8.8 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete DC sinking with diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Functions\u003c\/td\u003e\n\u003ctd\u003eOpen-wire fault detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Format\u003c\/td\u003e\n\u003ctd\u003eDIN-rail \/ Terminal base mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Signal Diagnostics\u003c\/h3\u003e\n\u003cp\u003eThe 1794-IB16D module communicates across the FLEX I\/O backplane bus structure, preserving high backplane bus communication velocity during 16-channel discrete signal execution. Equipped with channel-level diagnostic circuitry, the unit actively monitors field input lines to detect open-wire conditions and signal faults in real time. Internal signal isolation prevents field electrical transients from disrupting high-speed backplane data packet transmission between the terminal base assembly and host automation controllers.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1794-IB16D module be installed or removed while the backplane bus is energized?\u003c\/p\u003e\n\u003cp\u003eA: Yes. When mounted on a standard FLEX I\/O terminal base unit, the module supports Removal and Insertion Under Power (RIUP) without causing backplane communication disruption to adjacent I\/O nodes.\u003c\/p\u003e\n\u003cp\u003eQ: How does the open-wire diagnostic feature function on the 1794-IB16D?\u003c\/p\u003e\n\u003cp\u003eA: The internal diagnostic circuit senses off-state input current leakage; if continuous loop current drops below the designated threshold, an open-wire fault is reported to the controller via backplane status bits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSet the keyswitch on the target FLEX I\/O terminal base to the required position for the 1794-IB16D hardware module.\u003c\/li\u003e\n\u003cli\u003eAlign the module housing with the base alignment slot and press firmly until the mechanical locking latches click into position.\u003c\/li\u003e\n\u003cli\u003eWire field input sensors to the terminal base points following standard 24 VDC sinking circuit layout rules.\u003c\/li\u003e\n\u003cli\u003eSegregate DC input wiring from high-voltage AC power conductors in wireways to reduce electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eEnsure the terminal base mounting rail connects directly to an unpainted, earth-grounded steel DIN rail.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48761516949694,"sku":"1794-IB16D","price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1794-OB16P_2_2c157069-06f8-4739-8c21-14037127c1d0.png?v=1787197776","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1794-ib16d-flex-i-o-diagnostic-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}