{"product_id":"1734-im4-allen-bradley-point-i-o-digital-ac-input-module","title":"1734-IM4 Allen-Bradley POINT I\/O Digital AC Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1734-IM4\u003c\/strong\u003e \u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e \u003cstrong\u003ePOINT I\/O\u003c\/strong\u003e \u003cstrong style=\"color: #0056b3;\"\u003eDigital AC Input Module\u003c\/strong\u003e delivers reliable high-voltage discrete signal processing for distributed automation architectures. Operating at a nominal 220\/240 VAC, this 4-channel non-isolated sink module mounts seamlessly on standard DIN rails utilizing a keyswitch position of 8. It interfaces heavy industrial AC inputs directly to the backplane with precise filtering and diagnostic indicators.\u003c\/p\u003e\n\n\u003ch3\u003eConfiguration and Technical Parameters\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eSpecification Parameter\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e\u003cstrong\u003eTechnical Metric \/ Value\u003c\/strong\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eManufacturer \u0026amp; Brand\u003c\/td\u003e\n    \u003ctd\u003eRockwell Automation \/ Allen-Bradley\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCatalog Number \/ Series\u003c\/td\u003e\n    \u003ctd\u003e\n\u003cstrong\u003e1734-IM4\u003c\/strong\u003e (\u003cstrong style=\"color: #0056b3;\"\u003ePOINT I\/O Series\u003c\/strong\u003e)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eModule Type\u003c\/td\u003e\n    \u003ctd\u003eDigital AC Input Module (4 non-isolated sink inputs in 1 group)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n    \u003ctd\u003e220 Volts AC \/ 240 Volts AC at 60 Hz\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOn-State Voltage \u0026amp; Current Range\u003c\/td\u003e\n    \u003ctd\u003e159 to 264 VAC; 6.2 mA min to 10.2 mA max\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003ePOINTbus Backplane Draw\u003c\/td\u003e\n    \u003ctd\u003e75 milliamps maximum at 5 Volts DC\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eInput Impedance \u0026amp; Dissipation\u003c\/td\u003e\n    \u003ctd\u003e22.3 kΩ nominal impedance; 0.80 W max power dissipation\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSignal Filtering Delay Time\u003c\/td\u003e\n    \u003ctd\u003e20 ms hardware filter plus programmable 1-65.535 ms digital filter\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003ePhysical Dimensions \u0026amp; Weight\u003c\/td\u003e\n    \u003ctd\u003e2.21 x 0.47 x 2.97 inches; 30.9 g (1.09 oz)\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation and Wiring Architecture\u003c\/h3\u003e\n\u003cp\u003eMount the \u003cstrong\u003e1734-IM4\u003c\/strong\u003e module onto an approved POINT I\/O base configured with a keyswitch position of 8 to prevent insertion errors. Termination accepts 22 to 14 AWG solid or stranded copper conductors directly into the open-style terminal blocks. Ensure proper segregation of high-voltage AC wiring from low-level analog signal paths within the cabinet to maintain noise immunity.\u003c\/p\u003e\n\n\u003ch3\u003eDebugging and Maintenance Convenience\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight: Built-in LED status indicators provide real-time network, module, and individual channel states for fast troubleshooting. If a channel status LED fails to illuminate during high-voltage application, verify terminal block seating and check upstream fusing to isolate field wiring faults quickly.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and Isolation Standards\u003c\/h3\u003e\n\u003cp\u003eEngineered for full compatibility with Rockwell Automation POINT I\/O backplanes, the unit features a continuous isolation voltage rating of 240 Volts from field-side to system logic. This robust isolation protects backplane components from transient voltage spikes typical in heavy industrial electrical grids.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents, Warranty, and Logistics\u003c\/h3\u003e\n\u003cp\u003eEach delivery contains the \u003cstrong\u003e1734-IM4\u003c\/strong\u003e digital input module and technical data sheets. Global PLC Spare HUB backs this industrial hardware with a comprehensive 12-month warranty. All items ship securely within 24 to 48 hours utilizing trusted global logistics partners including FedEx, UPS, and DHL.\u003c\/p\u003e\n\n\u003ch3\u003eTarget Applications and Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAC motor starter feedback status monitoring on heavy manufacturing skids\u003c\/li\u003e\n  \u003cli\u003eConveying system limit switch and proximity sensor signal collection\u003c\/li\u003e\n  \u003cli\u003eBuilding automation high-voltage distribution panel status tracking\u003c\/li\u003e\n  \u003cli\u003eChemical processing plant auxiliary control interlock verification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Guide and Engineering Advice\u003c\/h3\u003e\n\u003cp\u003eWhen designing high-density control nodes, calculate total backplane current draw to ensure the power supply unit accommodates the 75 mA requirement of the \u003cstrong\u003e1734-IM4\u003c\/strong\u003e. Verify that field supply frequencies align with the 60 Hz nominal rating to prevent filter timing discrepancies during fast transient events.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does the configuration require keyswitch position 8 for this specific module?\u003c\/strong\u003e\u003cbr\u003e\nA: Keyswitch position 8 mechanically keys the mounting base to match the unique high-voltage AC circuitry of the 1734-IM4, preventing accidental insertion of low-voltage DC modules.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do technicians adjust the digital filter parameter to eliminate nuisance noise tripping?\u003c\/strong\u003e\u003cbr\u003e\nA: Engineers configure the programmable digital filter from 1 to 65.535 ms via RSLogix or Studio 5000 software to ignore brief electrical arcs or line transients on long wire runs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What causes an intermittent input state error on channel status indicators under heavy load?\u003c\/strong\u003e\u003cbr\u003e\nA: Voltage sagging below the 159 VAC minimum threshold or loose terminal block screw torque usually triggers intermittent input state changes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can stranded copper wires require ferrules when terminating into the base unit?\u003c\/strong\u003e\u003cbr\u003e\nA: While direct insertion of 22 to 14 AWG wire is supported, utilizing appropriately sized insulated ferrules prevents stray wire strands from causing adjacent terminal shorts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How does thermal dissipation behave when all four channels operate continuously at 264 VAC?\u003c\/strong\u003e\u003cbr\u003e\nA: Maximum thermal dissipation peaks at approximately 2.73 BTU\/hour, requiring adequate natural convection spacing around adjacent DIN rail modules in enclosed cabinets.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013911994550,"sku":"1734-IM4","price":142.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1734-IM4_48662316-e508-41d7-8e03-cdb689016b1a.jpg?v=1785314640","url":"https:\/\/www.plcsparehub.com\/products\/1734-im4-allen-bradley-point-i-o-digital-ac-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}