{"product_id":"allen-bradley-1756-ih16i-controllogix-16-channel-isolated-125v-dc-input-module","title":"Allen-Bradley 1756-IH16I ControlLogix 16-Channel Isolated 125V DC Input Module","description":"\u003ch3 class=\"\"\u003eTechnical Functionality\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"\"\u003e1756-IH16I\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis a high-voltage digital input module engineered for the ControlLogix 1756 chassis.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt is designed to interface high-potential DC field signals with the PLC backplane,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eproviding sixteen points of sensing.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eA critical feature of this module is its individual channel-to-channel isolation,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhich prevents electrical interference and ground loop issues between different field circuits.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupporting both sink and source wiring configurations,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit offers maximum flexibility for electrical designers working with 125V DC control logic,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ecommonly found in power utility and heavy industrial environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eCore Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eManufacturer\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eProduct Line\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eControlLogix\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModel Number\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"\"\u003e1756-IH16I\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInput Density\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e16 Individually Isolated Channels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eVoltage Category\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e125V DC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOperating Range\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e90V to 146V DC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInput Configuration\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSink or Source (Bi-polar)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eIsolation Rating\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e250V Continuous (Basic Insulation)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eIsolation Testing\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eRoutine tested at 1350V AC for 2 seconds\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eBackplane Power Usage\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e71 Watts\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eMaximum Power Dissipation\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e5 Watts @ 60 °C (140 °F)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eHeat Generation\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e17.\u003c\/span\u003e\u003cspan class=\"\"\u003e05 BTU\/hr\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eRequired Terminal Block\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e1756-TBCH (Cage clamp) or 1756-TBS6H (Spring clamp)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModule Width\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSingle Slot\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eShipping Weight\u003c\/strong\u003e\u003cspan class=\"\"\u003e:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e45 kg (Module only); 2.\u003c\/span\u003e\u003cspan class=\"\"\u003e0 kg (Total package)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eApplication and Reliability\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"\"\u003e1756-IH16I\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eis frequently deployed in substations and large-scale manufacturing facilities where 125V DC is the standard for protective relaying and switchgear control.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe individual isolation of every channel ensures that a fault in one field circuit does not compromise the operational integrity of the remaining fifteen inputs.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eTo streamline maintenance,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe module utilizes a Removable Terminal Block (RTB),\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eallowing technical staff to replace hardware without disturbing the complex field wiring.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eOnboard diagnostics and input filtering settings are configurable via Studio 5000 software to ensure signal stability in high-noise environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eWhat is the benefit of individual isolation in the 1756-IH16I?\u003c\/strong\u003e\u003cspan class=\"\"\u003eUnlike group-isolated modules,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"\"\u003e1756-IH16I\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eallows each input to have a different voltage reference or be connected to a different DC power source.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis prevents a single ground fault from tripping multiple inputs across the module.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eDoes this module support Change of State (COS) detection?\u003c\/strong\u003e\u003cspan class=\"\"\u003eYes,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong class=\"\"\u003e1756-IH16I\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ecan be configured to trigger a system interrupt or update when an input transitions from ON to OFF or OFF to ON,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eensuring high-speed response for critical events.\u003c\/span\u003e\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52890542932152,"sku":"1756-IH16I","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-IB16I1_35f936b3-57f9-499f-a6d1-972c8387b529.jpg?v=1772183064","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-ih16i-controllogix-16-channel-isolated-125v-dc-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}