{"product_id":"allen-bradley-1746-1b32","title":"1746-1B32","description":"\u003ch2\u003eOverview of Allen-Bradley 1746-IB32 SLC 500 Digital DC Input Module\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 1746-IB32 is a SLC 500 high-density digital input module with 32 sinking DC input channels. It is designed for general-purpose DC input interfacing, supporting a voltage range of 15–30 V DC (sink), making it suitable for connecting a wide variety of sensors, switches, and contacts in industrial automation applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of 1746-IB32\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 32 sinking DC input channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage Range:\u003c\/strong\u003e 15–30 V DC at 50°C, 15–26.4 V DC at 60°C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 24 V DC nominal.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackplane Current Draw:\u003c\/strong\u003e 103 mA at 5 V DC, 0 mA at 24 V DC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 0.20 W per channel, 6.65 W per module.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Delay Time (OFF to ON):\u003c\/strong\u003e 3 ms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOff-State Current:\u003c\/strong\u003e 1 mA per channel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStep Response:\u003c\/strong\u003e 100 ms in, 2.5 ms out.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShock Rating:\u003c\/strong\u003e 30G (industrial robustness).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI\/O Connection:\u003c\/strong\u003e Compatible with Allen-Bradley 1746-HT and 1746-HCA connectors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL, C-UL, CE, Class I Division 2 (hazardous area).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eTotal Inputs:\u003c\/strong\u003e 32 sinking inputs\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e 15–30 V DC (50°C), 15–26.4 V DC (60°C)\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eNominal Input Voltage:\u003c\/strong\u003e 24 V DC\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e 103 mA (5 V DC)\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 0.20 W\/channel, 6.65 W\/module\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eInput Delay:\u003c\/strong\u003e 3 ms OFF to ON\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eShock Rating:\u003c\/strong\u003e 30G\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0 to 60°C\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Sinking (common negative), supports 1746-N3 removable connector and 1492 interface module\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Standard SLC 500 module size\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eApplications \/ Use Cases\u003c\/h2\u003e\n\u003cp\u003eThis module is widely used for monitoring and high-density acquisition of discrete signals from devices like limit switches, pushbuttons, and proximity sensors, and is ideal for applications demanding many input points and compact panel layouts in SLC 500 control systems.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47809553006891,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_e000081e-daa1-478f-94df-66ad4a5672ca.png?v=1723546560","url":"https:\/\/leadtime.ca\/products\/allen-bradley-1746-1b32","provider":"LEADTIME","version":"1.0","type":"link"}