{"product_id":"1756-ib16if-allen-bradley-controllogix-fast-digital-input-module","title":"1756-IB16IF Allen-Bradley ControlLogix Fast Digital Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-IB16IF\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-IB16IF\u003c\/strong\u003e Fast Digital Input Module, accepts 10-30 VDC field signals through 16 individually isolated inputs and transfers input states to the ControlLogix backplane. Rockwell Automation identifies it as a fast peer control input module.\u003c\/p\u003e\n\u003ch3\u003eModel Reference\u003c\/h3\u003e\n\u003cp\u003eThe 1756-IB16IF is a ControlLogix 16 point digital input module with individually isolated inputs. Rockwell Automation specifies a 12\/24 VDC sink\/source input category, a 10-30 VDC operating range, and high-speed input processing with configurable filtering.\u003c\/p\u003e\n\u003cp\u003eThe product uses a 36-pin connection arrangement and is compatible with the 1756-TBCH and 1756-TBS6H removable terminal blocks. Rockwell Automation currently lists the 1756-IB16IF as an active product.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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-IB16IF\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eFast Digital Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eHigh-speed, individually isolated digital input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e12\/24 VDC sink\/source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10-30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Off-State Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Off-State Current\u003c\/td\u003e\n\u003ctd\u003e1.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum On-State Current\u003c\/td\u003e\n\u003ctd\u003e2 mA at 10 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum On-State Current\u003c\/td\u003e\n\u003ctd\u003e5 mA at 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Impedance\u003c\/td\u003e\n\u003ctd\u003e6 kohm at 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay, Off to On\u003c\/td\u003e\n\u003ctd\u003e14 us nominal, 23 us maximum plus configured filter time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay, On to Off\u003c\/td\u003e\n\u003ctd\u003e14 us nominal, 23 us maximum plus configured filter time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Range\u003c\/td\u003e\n\u003ctd\u003e0-30,000 us, user configurable\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\u003eChange of State\u003c\/td\u003e\n\u003ctd\u003eSoftware configurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Timestamp\u003c\/td\u003e\n\u003ctd\u003e+\/-4 us for inputs below 4 kHz; +\/-13 us for inputs above 4 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw at 5.1 VDC\u003c\/td\u003e\n\u003ctd\u003e275 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw at 24 VDC\u003c\/td\u003e\n\u003ctd\u003e3 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Backplane Power\u003c\/td\u003e\n\u003ctd\u003e1.47 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e3.8 W at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e12.97 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput-to-Backplane Isolation\u003c\/td\u003e\n\u003ctd\u003e250 V continuous, reinforced insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput-to-Input Isolation\u003c\/td\u003e\n\u003ctd\u003e250 V continuous, basic insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Polarity Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Block\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Width\u003c\/td\u003e\n\u003ctd\u003e1 slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Category\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Code\u003c\/td\u003e\n\u003ctd\u003eT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA, supplied reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.4 kg, supplied reference\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, supplied reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eThe electrical ratings, isolation values, timing, backplane load, filtering range, and terminal block compatibility are specified in Rockwell Automation technical data.\u003c\/p\u003e\n\u003ch3\u003eHigh-Speed I\/O and Peer Control\u003c\/h3\u003e\n\u003cp\u003eThe 1756-IB16IF is designed for fast digital input acquisition. Its hardware input delay is specified at 14 us nominal and 23 us maximum for both off-to-on and on-to-off transitions before the selected filter interval is added.\u003c\/p\u003e\n\u003cp\u003eThe input filter is software configurable from 0 to 30,000 us. A shorter filter setting reduces input filtering delay, while a longer setting increases signal qualification time. The correct setting depends on the field signal characteristics and required event response.\u003c\/p\u003e\n\u003cp\u003eThe module supports peer control operation within the ControlLogix architecture. It also provides software-configurable change-of-state operation and input timestamping. Timestamp accuracy is specified at +\/-4 us for input frequencies below 4 kHz and +\/-13 us above 4 kHz.\u003c\/p\u003e\n\u003ch3\u003eBackplane Communication and Electrical Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module transfers input states through the ControlLogix backplane and draws 275 mA from the 5.1 VDC supply and 3 mA from the 24 VDC supply. Total backplane power is specified at 1.47 W.\u003c\/p\u003e\n\u003cp\u003eAll 16 inputs are individually isolated. Rockwell Automation specifies 250 V continuous reinforced insulation between inputs and the backplane, and 250 V continuous basic insulation between individual input channels.\u003c\/p\u003e\n\u003cp\u003eThe input architecture is 12\/24 VDC sink\/source. This allows the field circuit polarity arrangement to be selected according to the connected device and wiring design, within the published input specifications.\u003c\/p\u003e\n\u003ch3\u003eFirmware and ControlLogix Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-IB16IF is integrated into the ControlLogix I\/O architecture through the controller backplane. Rockwell Automation provides Add-On Profiles and EDS files specifically for this catalog number.\u003c\/p\u003e\n\u003cp\u003eWhen changing controller firmware, Logix software versions, or module configuration, the installed I\/O profile should be checked before commissioning. The module's fast timing functions and peer control configuration are software dependent.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-IB16IF ControlLogix 16 Point Fast Digital Input Module\u003c\/li\u003e\n\u003cli\u003e1 x 1756-IB16IF module assembly\u003c\/li\u003e\n\u003cli\u003e1 x Compatible removable terminal block, 1756-TBCH or 1756-TBS6H, selected separately when required\u003c\/li\u003e\n\u003cli\u003e1 x ControlLogix chassis position is required\u003c\/li\u003e\n\u003cli\u003eField wiring, interface modules, and external power components are separate system items unless specifically configured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Wiring Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eInput wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the field signal polarity and voltage before connecting the module.\u003c\/li\u003e\n\u003cli\u003eKeep the applied input voltage within 10-30 VDC.\u003c\/li\u003e\n\u003cli\u003eUse conductors sized for the connected field devices and installation conditions.\u003c\/li\u003e\n\u003cli\u003eRoute input wiring separately from high-energy switching conductors where practical.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-speed signals\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse the shortest practical field wiring path for high-speed signals.\u003c\/li\u003e\n\u003cli\u003eAvoid unnecessary cable loops and parallel routing near high-current conductors.\u003c\/li\u003e\n\u003cli\u003eSelect the software input filter according to the required pulse width and signal noise characteristics.\u003c\/li\u003e\n\u003cli\u003eDo not use excessive filtering where short-duration events must be detected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eChannel isolation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTreat each input as an individually isolated channel.\u003c\/li\u003e\n\u003cli\u003eVerify the voltage relationship between separate field circuits before wiring them to different inputs.\u003c\/li\u003e\n\u003cli\u003eMaintain the specified isolation arrangement when interfacing circuits with different electrical references.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding and shielding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApply cable shielding and grounding according to the ControlLogix installation design.\u003c\/li\u003e\n\u003cli\u003eAvoid unintended shield-current paths through multiple grounding points.\u003c\/li\u003e\n\u003cli\u003eConfirm chassis and power-supply grounding before applying field power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many input channels does the 1756-IB16IF provide?\u003c\/strong\u003e\u003cbr\u003eThe module provides 16 individually isolated digital input channels. Its input category is 12\/24 VDC sink\/source with a 10-30 VDC operating range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes the 1756-IB16IF a fast input module?\u003c\/strong\u003e\u003cbr\u003eThe specified hardware delay is 14 us nominal and 23 us maximum for both input transitions, before the configured filter interval is applied.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the input voltage range?\u003c\/strong\u003e\u003cbr\u003eThe module accepts 10-30 VDC signals with a nominal input voltage of 24 VDC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre the 16 input channels isolated from each other?\u003c\/strong\u003e\u003cbr\u003eYes. Rockwell Automation specifies 250 V continuous basic insulation between individual input channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the backplane current draw?\u003c\/strong\u003e\u003cbr\u003eThe module draws 275 mA at 5.1 VDC and 3 mA at 24 VDC. Total backplane power is specified as 1.47 W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan the input filter be adjusted?\u003c\/strong\u003e\u003cbr\u003eYes. The input filter is user configurable from 0 to 30,000 us, allowing the signal qualification period to be matched to the application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the module support input timestamping?\u003c\/strong\u003e\u003cbr\u003eYes. Timestamp accuracy is specified at +\/-4 us for inputs below 4 kHz and +\/-13 us for inputs above 4 kHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich terminal blocks are compatible?\u003c\/strong\u003e\u003cbr\u003eRockwell Automation lists 1756-TBCH and 1756-TBS6H removable terminal blocks for the 1756-IB16IF. The module occupies one chassis slot.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066413863085,"sku":"1756-IB16IF","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-ib16if_1.jpg?v=1786978070","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1756-ib16if-allen-bradley-controllogix-fast-digital-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}