{"product_id":"allen-bradley-1756-ib16-controllogix-digital-input-module","title":"Allen-Bradley 1756-IB16 ControlLogix Digital Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-IB16\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-IB16\u003c\/strong\u003e Digital Input Module, operates as a dedicated hardware component for discrete DC signal acquisition within ControlLogix 1756 chassis platforms. It conditions and optically isolates binary state signals from field devices, converting 12\/24 VDC sinking inputs into deterministic data packets transmitted across the backplane bus.\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\u003e1756-IB16\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\u003e1.00 lbs (0.45 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard ControlLogix single-slot form factor\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\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eTotal backplane power 0.56 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e100 mA at 5.1 VDC, 2 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 discrete sinking inputs (2 groups of 8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e12\/24 VDC sinking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10 to 31.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e17.39 BTU per hour (Max power dissipation 5.1 W at 60 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Velocity \u0026amp; Deterministic Network Execution\u003c\/h3\u003e\n\u003cp\u003eThe 1756-IB16 integrates direct connection to the ControlLogix high-speed backplane bus communication velocity, supporting producer\/consumer data broadcasting across EtherNet\/IP deterministic networks. Each of the 16 sinking input channels utilizes optical isolation to decouple field-side voltage swings from backplane logic networks. Onboard firmware features configurable Cyclic Redundancy Check (CRC) verification, user-definable Real-Time Sampling (RTS) periods, and programmable input filter times to optimize signal integrity across high-density I\/O chassis layouts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1756-IB16 module be installed or removed while the ControlLogix chassis is under power?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the 1756-IB16 supports Removal and Insertion Under Power (RIUP), allowing field engineers to replace the module without disturbing chassis backplane bus communication velocity or adjacent operational modules.\u003c\/p\u003e\n\u003cp\u003eQ: What removable terminal block (RTB) options are compatible with the 1756-IB16?\u003c\/p\u003e\n\u003cp\u003eA: The module requires a 20-pin Removable Terminal Block, specifically the 1756-TBCH (cage clamp) or 1756-TBNH (spring clamp), which must be ordered separately.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Insertion \u0026amp; Mechanical Alignment\u003c\/strong\u003e: Align the module circuit board with the top and bottom chassis guide rails of the target slot. Slide the module firmly into the chassis backplane connector until the top and bottom module tabs snap securely into place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Terminal Block (RTB) Wiring\u003c\/strong\u003e: Wire field inputs to the 20-pin RTB using conductors within the 0.33 to 2.1 sq mm (22 to 14 AWG) gauge range. Ensure signal wiring is routed separately from AC power lines to minimize induced noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Grounding\u003c\/strong\u003e: Terminate all field cable drain wires to the central enclosure ground bus bar. Verify that the ControlLogix chassis is connected directly to protective earth (PE) using a heavy-gauge copper braid to guarantee proper functioning of internal noise suppression circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52688465920280,"sku":"1756-IB16","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/1756-IB162.png?v=1789544665","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-1756-ib16-controllogix-digital-input-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}