{"product_id":"allen-bradley-1746-ib32-slc-500-sinking-dc-input-module-24v","title":"Allen-Bradley 1746-IB32 SLC 500 Sinking DC Input Module 24V","description":"\u003ch2 style=\"color: #2c3e50; padding-bottom: 0; margin-top: 25px; margin-bottom: 15px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"line-height: 1.5; color: #000000; margin-bottom: 30px;\"\u003e\n  The Allen-Bradley \u003cstrong style=\"color: #003366;\"\u003e1746-IB32\u003c\/strong\u003e is a high-performance 32-point digital input module engineered for the SLC 500 small logic controller family. This module is designed to interface with 24V DC field devices in a \"sinking\" configuration, meaning current flows from the input device into the module. Its high-density architecture allows for 32 distinct input channels to be consolidated into a single slot, making it an ideal choice for systems requiring a high I\/O count in a limited space. Built by Rockwell Automation, the 1746-IB32 delivers the ruggedness and reliability required for mission-critical industrial automation tasks.\n\u003c\/p\u003e\n\n\u003ch2 style=\"color: #2c3e50; margin-top: 35px; margin-bottom: 15px;\"\u003eCore Technical Advantages\u003c\/h2\u003e\n\n\u003ch3 style=\"color: #2c3e50; font-size: 1.1em; margin-bottom: 8px;\"\u003eHigh-Density I\/O Expansion\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.5; color: #000000; margin-bottom: 20px;\"\u003e\n  The 1746-IB32 provides one of the highest point densities available for the SLC 500 platform. By offering 32 inputs in a single module, it enables engineers to significantly reduce the size of the PLC chassis or increase the available capacity for other specialized modules, thereby lowering the total cost of ownership.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #2c3e50; font-size: 1.1em; margin-bottom: 8px;\"\u003eRapid Signal Processing\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.5; color: #000000; margin-bottom: 20px;\"\u003e\n  Equipped with a fast 3ms signal delay (OFF to ON), the module ensures that the controller receives field data quickly and accurately. This responsiveness is critical for high-speed automated processes where timing precision directly impacts production quality and machine safety.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #2c3e50; font-size: 1.1em; margin-bottom: 8px;\"\u003eRobust Industrial Design\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.5; color: #000000; margin-bottom: 35px;\"\u003e\n  Designed for the factory floor, the 1746-IB32 boasts a 30G shock rating and a wide operating temperature range from 0°C to 60°C. With an input impedance of 4.7 kΩ, it effectively filters out transient noise while maintaining a clear signal for the internal logic, ensuring stable operation even in electrically noisy environments.\n\u003c\/p\u003e\n\n\u003ch2 style=\"color: #2c3e50; margin-top: 35px; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px; border: 1px solid #dfe4e8; color: #000000;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #f4f6f8;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8; font-weight: bold; width: 40%;\"\u003eModel Number\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8;\"\u003e1746-IB32\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8; font-weight: bold;\"\u003eNumber of Inputs\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8;\"\u003e32 Points\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f4f6f8;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8; font-weight: bold;\"\u003eInput Type\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8;\"\u003eSinking (Current into module)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8; font-weight: bold;\"\u003eOperating Voltage\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8;\"\u003e24V DC Nominal (15-30V DC Range)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f4f6f8;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8; font-weight: bold;\"\u003eBackplane Current\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8;\"\u003e103 mA @ 5V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8; font-weight: bold;\"\u003eProduct Weight\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8;\"\u003e0.28 kg (Approx.)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f4f6f8;\"\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8; font-weight: bold;\"\u003eSignal Delay\u003c\/td\u003e\n      \u003ctd style=\"padding: 10px; border: 1px solid #dfe4e8;\"\u003e3 ms (Typical)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"color: #2c3e50; margin-top: 35px; margin-bottom: 15px;\"\u003eInstallation \u0026amp; Wiring Notes\u003c\/h2\u003e\n\u003cul style=\"line-height: 1.6; color: #000000; margin-bottom: 40px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiring Configuration:\u003c\/strong\u003e This is a sinking module. Your field devices (sensors\/switches) must be \"sourcing\" types that provide 24V DC to the module's input terminals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommon Terminals:\u003c\/strong\u003e Ensure all common terminals are properly bonded to the negative side of the 24V DC power supply to complete the circuit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Dissipation:\u003c\/strong\u003e The module dissipates approximately 6.65W at full load. Ensure the SLC 500 enclosure has adequate ventilation to maintain ambient temperatures within the 0°C to 60°C range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #2c3e50; margin-top: 35px; margin-bottom: 15px;\"\u003eTechnical FAQs\u003c\/h2\u003e\n\n\u003cp style=\"margin-bottom: 4px; font-weight: bold; color: #2c3e50;\"\u003eQ1: What does \"Sinking\" input mean for the 1746-IB32?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; margin-bottom: 15px; color: #000000;\"\u003eA1: It means that the 1746-IB32 provides the path to ground (negative) for the circuit. The external field device must \"source\" or provide the +24V DC signal to the module input.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 4px; font-weight: bold; color: #2c3e50;\"\u003eQ2: Can I use this module with an SLC 5\/01 or 5\/02 processor?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; margin-bottom: 15px; color: #000000;\"\u003eA2: Yes, the 1746-IB32 is compatible with all SLC 500 series processors, provided the chassis power supply has sufficient current capacity for the backplane draw.\u003c\/p\u003e\n\n\u003cp style=\"margin-bottom: 4px; font-weight: bold; color: #2c3e50;\"\u003eQ3: How many commons are shared between the 32 points?\u003c\/p\u003e\n\u003cp style=\"margin-top: 0; margin-bottom: 20px; color: #000000;\"\u003eA3: The inputs are generally divided into groups. For the 1746-IB32, please refer to the wiring diagram on the module door for specific terminal assignments to ensure proper grouping.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51050728784004,"sku":"1746-IB32","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1746-IB32-1.jpg?v=1777383497","url":"https:\/\/www.etowonauto.com\/az\/products\/allen-bradley-1746-ib32-slc-500-sinking-dc-input-module-24v","provider":"Etowon Auto","version":"1.0","type":"link"}