{"product_id":"1756-ia16-allen-bradley-controllogix-series-digital-ac-input-module","title":"1756-IA16 Allen-Bradley ControlLogix Series Digital AC Input Module","description":"\u003cp\u003eConfigured for discrete 120 VAC signal acquisition in ControlLogix chassis architectures, the \u003cstrong\u003eAllen-Bradley 1756-IA16\u003c\/strong\u003e (\u003cstrong\u003e1756-IA16\u003c\/strong\u003e Digital AC Input Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Variant Structure\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1756-IA16:\u003c\/strong\u003e Standard 16-point 120 VAC discrete AC input module arranged in 2 isolated groups of 8 channels each.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1756-IA16\/A:\u003c\/strong\u003e Series A hardware assembly revision designed for standard ControlLogix 1756 backplane mounting slots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Physical 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\u003e1756-IA16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Model\u003c\/td\u003e\n\u003ctd\u003e1756IA16, 1756-IA16\/A\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\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 points (8 points per group)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e74 VAC to 132 VAC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON-State Current (min)\u003c\/td\u003e\n\u003ctd\u003e5 mA at 79 VAC (47-63 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Operating Current\u003c\/td\u003e\n\u003ctd\u003e5 mA at 74 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay Time\u003c\/td\u003e\n\u003ctd\u003eProgrammable 9 ms or 18 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCyclic Update Time\u003c\/td\u003e\n\u003ctd\u003e200 us to 750 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5.1 VDC)\u003c\/td\u003e\n\u003ctd\u003e100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.58 W (Total Backplane Power)\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e23.3 x 18.2 x 5.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic System Bus Integration\u003c\/h3\u003e\n\u003cp\u003eThe discrete input module transfers channel data directly across the 1756 backplane, maintaining high backplane bus communication velocity and optimal I\/O density scaling. Integrated firmware flash compatibility supports real-time status updating across EtherNet\/IP deterministic networks without introducing scan latency into ControlLogix PAC tasks.\u003c\/p\u003e\n\u003ch3\u003eOrder Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-IA16 digital input module\u003c\/li\u003e\n\u003cli\u003eAnti-static protective enclosure bag\u003c\/li\u003e\n\u003cli\u003eSlot keying tab kit for 1756 backplane installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRemove system power from the ControlLogix rack prior to inserting or removing the I\/O module.\u003c\/li\u003e\n\u003cli\u003eAlign board card edges with the top and bottom chassis guides and push firmly until slot levers click shut.\u003c\/li\u003e\n\u003cli\u003eConnect 120 VAC field inputs to the removable terminal block (RTB) according to group isolation rules.\u003c\/li\u003e\n\u003cli\u003eTerminate field wiring shield conductors directly to the cabinet earth bus using low-impedance grounding clamps.\u003c\/li\u003e\n\u003cli\u003eRoute high-voltage AC input lines away from low-voltage DC bus lines and network communication cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat backplane current does this module draw at 5.1 VDC?\u003c\/p\u003e\n\u003cp\u003eThe board draws 100 mA at 5.1 VDC directly from the backplane, resulting in a total backplane power draw of 0.58 W.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat voltage range qualifies as a valid ON-state signal?\u003c\/p\u003e\n\u003cp\u003eInput channels evaluate incoming signals as active ON states across an operating range of 74 VAC to 132 VAC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat hardware filter options are available for signal debounce?\u003c\/p\u003e\n\u003cp\u003eSoftware selectable hardware input delay times can be programmed for either 9 ms or 18 ms filtration profiles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are the 16 input channels grouped on the field terminal side?\u003c\/p\u003e\n\u003cp\u003eThe 16 channels are split into two electrically isolated groups containing 8 points per group.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the card be safely removed while the rack is powered?\u003c\/p\u003e\n\u003cp\u003eThe module features Removal and Insertion Under Power (RIUP) support, but field-side wiring must be de-energized.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the minimum operating current needed for signal detection at 74 VAC?\u003c\/p\u003e\n\u003cp\u003eEach channel requires a minimum operating current of 5 mA at 74 VAC to guarantee active state recognition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat cyclic update times can be configured for data transfer?\u003c\/p\u003e\n\u003cp\u003eThe module supports cyclic update intervals configurable from 200 us up to 750 ms depending on task requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is firmware flash compatibility ensured during module replacement?\u003c\/p\u003e\n\u003cp\u003eVerify that the replacement module major and minor revision numbers match the module profile in Studio 5000.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066413535405,"sku":"1756-IA16","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-ia16_1.webp?v=1786979826","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1756-ia16-allen-bradley-controllogix-series-digital-ac-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}