{"product_id":"allen-bradley-1756-ia16i-ac-input-module","title":"Allen-Bradley 1756-IA16I ControlLogix 120V AC Isolated Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-IA16I is a 16-channel digital input module designed for the ControlLogix platform. It is specifically engineered to monitor 120V AC field signals in industrial environments. The module features individual channel isolation, which allows each input to operate independently without sharing a common reference. This design is critical for applications where field devices are powered by different sources or where electrical isolation is required to prevent ground loops and improve signal integrity.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16 individually isolated input channels for enhanced noise immunity.\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range: 79 to 132V AC (47 to 63 Hz).\u003c\/li\u003e\n\u003cli\u003eSupports producer\/consumer communication model for efficient data sharing across the ControlLogix backplane.\u003c\/li\u003e\n\u003cli\u003eConfigurable Requested Packet Interval (RPI) and Change-of-State reporting.\u003c\/li\u003e\n\u003cli\u003eInput timestamping capability with approximately ±200 microseconds accuracy for event-driven applications.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard 36-pin Removable Terminal Blocks (RTB).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Manufacturing:\u003c\/strong\u003e Monitoring safety switches, gate interlocks, and proximity sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil, Gas, and Chemical:\u003c\/strong\u003e Interfacing with 120V AC E-stops, valve limit switches, and motor control centers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Distribution:\u003c\/strong\u003e Reading status feedback from high-voltage circuit breakers and switchgear indicators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater\/Wastewater:\u003c\/strong\u003e Controlling pumps and filtration systems with isolated sensor returns.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e79 to 132V AC (47-63 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 (Isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V)\u003c\/td\u003e\n\u003ctd\u003e125 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24V)\u003c\/td\u003e\n\u003ctd\u003e2 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation (Max)\u003c\/td\u003e\n\u003ctd\u003e4.9 W at 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Current (Max)\u003c\/td\u003e\n\u003ctd\u003e2.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current\u003c\/td\u003e\n\u003ctd\u003e5 mA (min) to 15 mA (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting:\u003c\/strong\u003e Install only into an approved ControlLogix 1756 chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Protection:\u003c\/strong\u003e Always wear an approved grounding wrist strap when handling the module to prevent electrostatic discharge damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Safety:\u003c\/strong\u003e While the ControlLogix platform supports Removal and Insertion Under Power (RIUP), ensure the area is free of hazardous gases before performing maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use a 36-pin Removable Terminal Block (RTB) such as the 1756-TBNH (cage-clamp) or 1756-TBSH (spring-clamp). RTBs are sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Mount the system inside a tool-secured enclosure with a 5VA flame-retardant rating.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\u003cp\u003eThe 1756-IA16I is designed for industrial use and carries certifications including UL, c-UL-us, CE, C-Tick, EAC, and KC. It also holds marine certifications from ABS, BV, DNV, GL, and LR.\u003c\/p\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch3\u003eWhat is the 1756-IA16I?\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-IA16I is a 16-channel, individually isolated AC digital input module belonging to the ControlLogix platform.\u003c\/p\u003e\u003ch3\u003eCan this module be hot-swapped?\u003c\/h3\u003e\u003cp\u003eYes. The ControlLogix chassis platform supports Removal and Insertion Under Power (RIUP).\u003c\/p\u003e\u003ch3\u003eWhich Removable Terminal Block (RTB) should I use?\u003c\/h3\u003e\u003cp\u003eThe module requires a 36-pin RTB. You can use either the cage-clamp style (1756-TBNH) or the spring-clamp style (1756-TBSH). Note: RTBs are sold separately.\u003c\/p\u003e\u003ch3\u003eCan this module be placed in a remote I\/O rack?\u003c\/h3\u003e\u003cp\u003eYes, it can be mounted in a local controller chassis or placed in a remote I\/O chassis communicating via EtherNet\/IP or ControlNet networks.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50830042824956,"sku":"1756-IA16I","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_782ca8a0-60c9-4f23-b723-df1e8ac2ca27.jpg?v=1785546845","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1756-ia16i-ac-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}