{"product_id":"allen-bradley-1734-ia2-point-i-o-120-vac-input-module","title":"Allen-Bradley 1734-IA2 POINT I\/O 120 VAC Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1734-IA2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1734-IA2\u003c\/strong\u003e Digital AC Input Module, operates as a dedicated hardware component for 120 VAC discrete signal sensing and field contact monitoring within POINT I\/O system architectures.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1734-IA2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA \/ Mexico\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.06 lbs (0.03 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact module footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.35 W maximum at 132 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePOINTBus Current Draw\u003c\/td\u003e\n\u003ctd\u003e75 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Capacity\u003c\/td\u003e\n\u003ctd\u003e2 channels, non-isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85 to 132 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e240 V continuous (field-to-system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Density\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow POINTBus current draw of 75 mA at 5 VDC minimizes backplane power supply overhead across dense I\/O base assemblies.\u003c\/li\u003e\n\u003cli\u003eTwo-channel non-isolated input structure allows precise point-level signal density scaling without excessive cabinet space consumption.\u003c\/li\u003e\n\u003cli\u003eDirect backplane communication ensures deterministic real-time input status delivery to central Logix controllers via network adapters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the backplane current requirement for the 1734-IA2 module?\u003c\/p\u003e\n\u003cp\u003eA: The module draws 75 mA maximum from the 5 VDC POINTBus backplane.\u003c\/p\u003e\n\u003cp\u003eQ: What are the off-state and on-state voltage thresholds for the AC input channels?\u003c\/p\u003e\n\u003cp\u003eA: The minimum on-state voltage is 65 VAC, and the maximum off-state voltage limit is 43 VAC.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInsert the module into a compatible terminal base unit mounted on a grounded 35 mm DIN rail.\u003c\/li\u003e\n\u003cli\u003eConnect field input wiring ensuring AC operating voltage stays strictly within the 85 to 132 VAC range.\u003c\/li\u003e\n\u003cli\u003eVerify proper isolation barriers between 120 VAC field wiring and low-voltage DC system communication cables.\u003c\/li\u003e\n\u003cli\u003eEnsure the DIN rail and mounting structure are tied to protective earth ground to support the 240 V continuous isolation rating.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45307406483571,"sku":"1734-IA2","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-04_14-33-21_1ad07e2b-9a77-4744-9ac9-94b3bcff6247.png?v=1785893178","url":"https:\/\/www.dcssupplier.com\/products\/allen-bradley-1734-ia2-point-i-o-120-vac-input-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}