{"product_id":"allen-bradley-1734-ib4-digital-dc-sinking-input-module-stable","title":"Allen-Bradley 1734-IB4 Digital DC Sinking Input Module - Stable","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen upgrading your distributed I\/O architecture, the \u003cstrong\u003eAllen-Bradley 1734-IB4\u003c\/strong\u003e Digital DC Sinking Input Module delivers reliable performance in a compact POINT I\/O form factor. This module provides \u003cstrong\u003efour sinking input channels\u003c\/strong\u003e operating at 12\/24 VDC, making it ideal for replacing older, bulkier input modules or adding new digital inputs to existing control systems.\u003c\/p\u003e\u003cp\u003eAs part of the Rockwell Automation POINT I\/O family, the \u003cstrong\u003e1734-IB4\u003c\/strong\u003e mounts directly onto a DIN rail and works with any POINT I\/O communication adapter. Its slim design (56 x 12 x 75.5 mm) saves valuable panel space while maintaining robust functionality. The module accepts 2-wire or 3-wire input signals and features a removable terminal block for easy wiring.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e4 sinking channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (nominal), 10-28.8 VDC range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e5 mA max (on-state)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOINTBus Current\u003c\/td\u003e\n\u003ctd\u003e75 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e1 W (3.4 BTU\/hr thermal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Filter Time\u003c\/td\u003e\n\u003ctd\u003e0.5 ms hardware + 0…63 ms user-selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state Voltage\u003c\/td\u003e\n\u003ctd\u003e10 VDC min, 24 VDC nominal, 28.8 VDC max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state Current\u003c\/td\u003e\n\u003ctd\u003e2 mA min, 4 mA nominal, 5 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-state Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-state Current\u003c\/td\u003e\n\u003ctd\u003e1.5 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e3.6 kΩ nominal, 4.7 kΩ max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e31.8 g (1.12 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e56 x 12 x 75.5 mm (2.2 x 0.47 x 2.97 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eOpen-style (none)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eReal-World Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1734-IB4\u003c\/strong\u003e excels in applications requiring reliable 24 VDC digital input sensing. Typical uses include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly line monitoring\u003c\/strong\u003e: Detect part presence or position for PLC-controlled machines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConveyor system control\u003c\/strong\u003e: Interface with proximity sensors to track material flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging equipment\u003c\/strong\u003e: Read limit switches and pushbutton inputs for automated packaging lines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIts fast input filter (0.5 ms hardware) ensures accurate detection even in high-speed processes. Upgrading from older I\/O racks to POINT I\/O reduces wiring complexity and simplifies maintenance.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the \u003cstrong\u003e1734-IB4\u003c\/strong\u003e on a zinc-plated, yellow chromate steel DIN rail. Avoid aluminum or plastic rails as they can cause poor grounding. Secure the rail every 200 mm (7.8 inches) with appropriate anchors. Connect the module to any POINT I\/O communication adapter, which supplies 5 VDC bus power. Use the removable terminal block (RTB) at the bottom for field wiring. The keyswitch position 1 ensures correct orientation.\u003c\/p\u003e\u003cp\u003eThe front panel shows module status, network status, and input 0–3 indicators. For optimal noise immunity, keep input wiring away from high-voltage cables. The user-selectable input filter (0–63 ms) can be configured via software to debounce signals.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore ordering, verify compatibility with your existing POINT I\/O adapter and control network. The \u003cstrong\u003e1734-IB4\u003c\/strong\u003e requires a 1734-series communication adapter. For replacement or upgrade projects, check that the input voltage range (10–28.8 VDC) matches your sensor supply. UBEST Automation stocks genuine Allen-Bradley 1734-IB4 modules with fast shipping and competitive pricing. Contact us at ubest101 to confirm availability or request a quote for bulk orders.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44403680182371,"sku":"1734-IB4","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1734-IB4K_3.jpg?v=1785004445","url":"https:\/\/www.plcsourcepro.com\/products\/allen-bradley-1734-ib4-digital-dc-sinking-input-module-stable","provider":"PLC Source PRO","version":"1.0","type":"link"}