{"product_id":"allen-bradley-1756-ih16i-controllogix-digital-input-module","title":"Allen-Bradley 1756-IH16I ControlLogix Digital Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-IH16I\u003c\/strong\u003e is a ControlLogix DC isolated input module designed for industrial automation environments. It features 16 individually isolated input points, allowing flexible field-side signal connections in complex control systems. Operating within a 125V DC voltage category (79 to 138V DC operating voltage range), this module provides reliable signal processing while maintaining high electrical isolation between individual input channels and backplane circuitry. Mounted in a standard ControlLogix chassis, it integrates with ControlLogix controllers using Producer-Consumer technology to share input status efficiently across network architectures.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e16 individually isolated digital input channels\u003c\/li\u003e\n\u003cli\u003eWide operating voltage range of 79 to 138V DC\u003c\/li\u003e\n\u003cli\u003eConfigurable hardware and user-selectable input delay filter times\u003c\/li\u003e\n\u003cli\u003eIndividual channel-to-channel and channel-to-backplane isolation\u003c\/li\u003e\n\u003cli\u003eSoftware-configurable module keying and change-of-state reporting\u003c\/li\u003e\n\u003cli\u003eReal-time timestamping of inputs with +-200 us precision\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-voltage DC field switch and sensor monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial power distribution and substation control systems\u003c\/li\u003e\n\u003cli\u003eProcess automation environments requiring isolated signal groups\u003c\/li\u003e\n\u003cli\u003eSafety and fault-tolerant control architectures requiring SIL 2 capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAttribute\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e16 individually isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e125V DC sink\/source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e79...138V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage, Nom\u003c\/td\u003e\n\u003ctd\u003e125V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage, Max\u003c\/td\u003e\n\u003ctd\u003e20V DC\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, Min\u003c\/td\u003e\n\u003ctd\u003e1.8 mA @ 79V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current, Max\u003c\/td\u003e\n\u003ctd\u003e3.6 mA @ 138V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current, Max\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance, Max\u003c\/td\u003e\n\u003ctd\u003e43.5 kOhm @ 138V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay Time (OFF to ON)\u003c\/td\u003e\n\u003ctd\u003eHardware delay: 1 ms max + filter time (User-selectable: 0, 1, or 2 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay Time (ON to OFF)\u003c\/td\u003e\n\u003ctd\u003eHardware delay: 4 ms max + filter time (User-selectable: 0, 1, 2, 9, or 18 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw @ 5.1V\u003c\/td\u003e\n\u003ctd\u003e100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw @ 24V\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\u003e0.58 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation, Max\u003c\/td\u003e\n\u003ctd\u003e4.6 W @ 60 degC (140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e15.69 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCyclic Update Time\u003c\/td\u003e\n\u003ctd\u003e200 us...750 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTimestamp of Inputs\u003c\/td\u003e\n\u003ctd\u003e+-200 us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250V (continuous), basic insulation type, inputs-to-backplane, and input-to-input; Routine tested @ 1350V AC for 2 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Width\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Keying\u003c\/td\u003e\n\u003ctd\u003eElectronic, software configurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemovable Terminal Block Housing\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H\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\u003eNorth American Temperature Code\u003c\/td\u003e\n\u003ctd\u003eT4A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0...60 degC (32...140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40...85 degC (-40...185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5...95% noncondensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module securely into any standard single slot of a ControlLogix chassis.\u003c\/li\u003e\n\u003cli\u003eSecure signal wiring using a separately ordered Removable Terminal Block (RTB) housing, catalog number 1756-TBCH or 1756-TBS6H.\u003c\/li\u003e\n\u003cli\u003eFollow Category 1 conductor routing protocols for signal wiring as outlined in system-level guidelines.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ambient operating temperatures between 0 and 60 degC (32 and 140 degF).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL Listed Industrial Control Equipment for US and Canada (UL File E65584)\u003c\/li\u003e\n\u003cli\u003eCSA Certified Process Control Equipment (CSA File LR54689C) and Class I, Division 2 Groups A, B, C, D (CSA File LR69960C)\u003c\/li\u003e\n\u003cli\u003eEuropean Union 2004\/108\/IEC EMC Directive (EN 61326-1, EN 61000-6-2, EN 61000-6-4, EN 61131-2)\u003c\/li\u003e\n\u003cli\u003eEuropean Union 2006\/95\/EC LVD Directive (EN 61131-2)\u003c\/li\u003e\n\u003cli\u003eC-Tick Australian Radiocommunications Act (AS\/NZS CISPR 11)\u003c\/li\u003e\n\u003cli\u003eFM Approved Equipment for Class I Division 2 Groups A, B, C, D\u003c\/li\u003e\n\u003cli\u003eTUV Certified for Functional Safety (Capable of SIL 2)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53718489366891,"sku":"1756-IH16I","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1756-IH16I_1200x1200_9183fe37-c9fb-4010-b54d-0ebe2b4bd25c.jpg?v=1786627083","url":"https:\/\/www.plcprotech.com\/it\/products\/allen-bradley-1756-ih16i-controllogix-digital-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}