{"product_id":"allen-bradley-1734-ib8-digital-dc-sinking-input-scalable","title":"Allen-Bradley 1734-IB8 Digital DC Sinking Input - Scalable","description":"\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\u003cp\u003eIn upgrading legacy distributed I\/O systems, the Allen-Bradley 1734-IB8 Digital DC Sinking Input module offers a modern solution for reliable discrete signal acquisition. This POINT I\/O module provides eight sinking input channels, accepting a nominal 24VDC signal voltage. It integrates seamlessly with any POINT I\/O communication adapter to implement scalable, distributed I\/O architectures. The 1734-IB8 replaces older, bulkier input modules, reducing panel space and simplifying wiring.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\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\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1734-IB8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e8 sinking (2-5 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10-28.8 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Current\u003c\/td\u003e\n\u003ctd\u003e4 mA @ 24 VDC\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\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e1.6 W \/ 5.5 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOINTBus Current\u003c\/td\u003e\n\u003ctd\u003e75 mA @ 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~31.8 g (1.12 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThese specifications ensure the 1734-IB8 delivers precise signal detection with adjustable filtering to eliminate noise. The low power dissipation and compact footprint make it ideal for high-density I\/O layouts.\u003c\/p\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eWhen upgrading material handling systems, the Allen-Bradley 1734-IB8 reliably senses limit switches and proximity sensors. In packaging lines, it captures discrete signals from photoelectric sensors, enabling precise control of actuators. For process control retrofits, this module replaces older 120VAC input cards with a modern 24VDC sinking design, reducing energy consumption and improving safety.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1734-IB8 operates with any POINT I\/O communication adapter, including EtherNet\/IP, ControlNet, and DeviceNet versions. It requires a 1734-TB or 1734-TBS wiring base assembly. The module installs on a DIN rail and features a keyswitch position of 1. This compatibility simplifies integration into existing Rockwell Automation architectures, making upgrades straightforward.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing the Allen-Bradley 1734-IB8, verify your communication adapter compatibility and terminal base requirements. The module is stocked by \u003cstrong\u003eUBEST Automation\u003c\/strong\u003e, a trusted supplier of industrial automation spares. Ensure your system voltage matches the 24VDC nominal input. For bulk orders or technical questions, visit ubest101 for detailed support.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44403681755235,"sku":"1734-IB8","price":251.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1734-IB8S_2.jpg?v=1785004572","url":"https:\/\/www.plcsourcepro.com\/products\/allen-bradley-1734-ib8-digital-dc-sinking-input-scalable","provider":"PLC Source PRO","version":"1.0","type":"link"}