{"product_id":"allen-bradley-1756-ic16-controllogix-48v-dc-digital-input-module","title":"Allen Bradley 1756-IC16 ControlLogix 48V DC Digital Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen Bradley 1756-IC16 functions as a high-density digital input module within the ControlLogix platform. It interfaces 48V DC field-side signals with the PLC backplane, allowing the controller to monitor the status of switches, sensors, and other discrete devices. This module facilitates high-speed data transition and provides robust electrical separation between the field wiring and the sensitive logic circuitry. As a core component of the 1756 I\/O family, it supports complex automation architectures in heavy industrial environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-IC16\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Inputs (2 groups of 8)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e48V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContinuous Isolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250V (between groups of 8 inputs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital\/Discrete Input\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePlatform Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix Chassis (1756)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Brand New Original\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Group Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-IC16 offers 250V continuous isolation between input groups. This design prevents electrical noise or ground loops in one group from affecting the performance of the second group, ensuring signal integrity across diverse field circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage-Specific Optimization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module specifically handles 48V DC signal levels. Using 48V instead of standard 24V reduces current requirements over long cable runs and improves signal detection in environments with high electromagnetic interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis-Based Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module slots directly into any standard 1756 ControlLogix chassis. It draws power directly from the backplane, eliminating the need for external logic-side power supplies and simplifying the overall enclosure wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Fault Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintenance teams utilize the per-point LED status indicators to verify field-side power and signal presence. These visual cues slash troubleshooting time by pinpointing failed sensors or broken field wires without the need for manual probing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eScalable Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 16-channel density allows engineers to maximize I\/O count per chassis slot. This solves space constraints in control cabinets while maintaining the flexibility to add more modules as the automated system expands.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1756-IC16 supplied as Brand New?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We supply this module as 100% Brand New in its original factory packaging. Each unit includes the original technical documentation and factory seal to ensure authenticity and peak performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module include a Removable Terminal Block (RTB)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Like most 1756 I\/O modules, the 1756-IC16 requires a separate Removable Terminal Block. You must order either the 1756-TBNH (20-position NEMA) or 1756-TBSH (20-position Spring Clamp) to complete the installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix different voltages on the same 1756-IC16 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the module provides isolation between groups, we recommend maintaining 48V DC across all channels to ensure compliance with the electrical ratings. The 250V isolation specifically protects against group-to-group voltage differentials.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the 48V DC input over 24V DC?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 48V DC threshold provides higher immunity to voltage drops and induced noise in expansive facilities. It ensures the PLC accurately registers \"On\" states even when sensors are located far from the main control cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52869890900277,"sku":"1756-IC16","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-IB16ISOE1_72e117cd-4cab-4aa3-b0a9-e1eb04a45a19.jpg?v=1778643328","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1756-ic16-controllogix-48v-dc-digital-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}