{"product_id":"allen-bradley-1756-ib32-b-high-density-dc-input-module","title":"Allen-Bradley 1756-IB32\/B ControlLogix 32-Point DC Input Module","description":"\u003cp\u003eThe Allen-Bradley 1756-IB32\/B is a high-density digital DC input module from the ControlLogix series, specifically the Series B revision. Engineered for demanding industrial environments, this module provides 32 sinking-type input channels, allowing for the connection of a wide array of 24V DC field devices such as limit switches, proximity sensors, and pushbuttons. By consolidating 32 inputs into a single chassis slot, it enables efficient use of control panel space while providing robust electrical isolation between the field instrumentation and the controller backplane.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Design:\u003c\/strong\u003e Features 32 input channels in a single slot, reducing the overall footprint in ControlLogix chassis configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Configuration:\u003c\/strong\u003e Utilizes a sinking input design, requiring field devices to provide a positive voltage signal to the module terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Isolation:\u003c\/strong\u003e Channels are organized into two isolated groups of 16, allowing for segmented power supply configurations to enhance system reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Indicators:\u003c\/strong\u003e Front-panel LED display provides real-time status monitoring for each individual input channel and module health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware-Configurable Keying:\u003c\/strong\u003e Supports electronic keying to prevent incorrect module insertion and ensure system integrity during maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is widely deployed in automated manufacturing, process control, and material handling systems where high-density discrete input monitoring is required. It is compatible with standard 24V DC field devices and integrates seamlessly into existing ControlLogix architectures for both new installations and system upgrades.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-IB32\/B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Points\u003c\/td\u003e\n\u003ctd\u003e32 (2 groups of 16)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Category\u003c\/td\u003e\n\u003ctd\u003e12\/24V DC Sink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10 to 31.2V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Current (Min\/Max)\u003c\/td\u003e\n\u003ctd\u003e4.8 mA to 5.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage (Max)\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power Draw\u003c\/td\u003e\n\u003ctd\u003e120 mA @ 5.1V DC \/ 2 mA @ 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e6.2 Watts (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible RTB\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H, 1756-TBSH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage or backplane errors.\u003c\/li\u003e\n\u003cli\u003eUse compatible Removable Terminal Blocks (RTB) such as the 1756-TBCH or 1756-TBSH for secure field wiring.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation in the enclosure to ensure the module stays within its 60 degC operating limit.\u003c\/li\u003e\n\u003cli\u003eFollow standard grounding practices for DC common return lines to minimize electrical noise interference.\u003c\/li\u003e\n\u003cli\u003eVerify that the field-side power supply is compatible with the 10-31.2V DC input range before energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the 1756-IB32\/B compatible with Series A modules?\u003c\/strong\u003e\u003cbr\u003eA: The 1756-IB32\/B is a Series B revision. While it is generally form-factor compatible, users should check their specific firmware and software configuration requirements in Studio 5000\/RSLogix 5000 to ensure proper electronic keying compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this module for sourcing inputs?\u003c\/strong\u003e\u003cbr\u003eA: No, this is a sinking input module. It requires the field devices to provide a positive DC voltage to the input terminals.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48902501859518,"sku":"1756-IB32\/B","price":92.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_893997b9-1a58-46f6-9fcf-fc5c025ddec3.jpg?v=1789187305","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1756-ib32-b-high-density-dc-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}