{"product_id":"allen-bradley-1756-ia16i-industrial-automation-module-reliable","title":"Allen-Bradley 1756-IA16I Industrial Automation Module - Reliable","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-IA16I is a ControlLogix digital AC input module designed for demanding industrial automation environments. It provides 16 individually isolated input channels, allowing you to monitor discrete AC signals with confidence. As part of the ControlLogix family, the 1756-IA16I integrates seamlessly into both local and remote chassis configurations, making it a versatile choice for process and machine control.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 Individually Isolated Inputs:\u003c\/strong\u003e Each channel is isolated to prevent ground loops and reduce noise interference, improving signal integrity in harsh plant environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Accepts 79–132V AC at 47–63 Hz, compatible with standard industrial power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable Input Delay:\u003c\/strong\u003e Choose 9 or 18 ms filter times to match your application's response requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Module Keying:\u003c\/strong\u003e Prevents incorrect module insertion, reducing installation errors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Terminal Blocks:\u003c\/strong\u003e Supports 1756-TBCH and 1756-TBS6H housings for easy wiring and module replacement without rewiring.\u003c\/li\u003e\n\u003c\/ul\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1756-IA16I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital AC Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16 Individually Isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e79–132V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay Time\u003c\/td\u003e\n\u003ctd\u003eProgrammable 9 or 18 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Operating Current\u003c\/td\u003e\n\u003ctd\u003e5 mA at 79V AC, 47–63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Current\u003c\/td\u003e\n\u003ctd\u003e15 mA at 132V AC, 47–63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Off-State Current\u003c\/td\u003e\n\u003ctd\u003e2.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation (Max)\u003c\/td\u003e\n\u003ctd\u003e4.9 W at 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 5V\u003c\/td\u003e\n\u003ctd\u003e125 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 24V\u003c\/td\u003e\n\u003ctd\u003e2 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemovable Terminal Blocks\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e10612598164476\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe 1756-IA16I excels in applications where reliable AC signal detection is critical. Typical uses include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Control Monitoring:\u003c\/strong\u003e Detect the presence of AC control voltages in motor starter circuits, enabling precise status tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Position Sensing:\u003c\/strong\u003e Monitor discrete AC signals from limit switches or proximity sensors in automated valve systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConveyor System Feedback:\u003c\/strong\u003e Interface with photo-eyes or push buttons in material handling lines to ensure smooth operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThanks to its isolated channels, the 1756-IA16I is ideal for environments with mixed AC commons, reducing wiring complexity and improving safety.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eInstalling the 1756-IA16I is straightforward. Follow these steps:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eMount the module into any ControlLogix chassis slot (local or remote).\u003c\/li\u003e\n\u003cli\u003eAttach a compatible removable terminal block housing (1756-TBCH or 1756-TBS6H) to the module front.\u003c\/li\u003e\n\u003cli\u003eWire the AC input signals to the terminal block terminals, respecting the isolation boundaries.\u003c\/li\u003e\n\u003cli\u003eConfigure the module in your ControlLogix programming software, setting input delay times (9 or 18 ms) as needed.\u003c\/li\u003e\n\u003cli\u003ePower up the system and verify channel status via front panel LEDs.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eEnsure that the operating voltage stays within the 79–132V AC range to avoid damage.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eThe 1756-IA16I requires minimal maintenance, but regular checks can extend its service life:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePeriodically inspect terminal block connections for tightness to prevent loose wiring.\u003c\/li\u003e\n\u003cli\u003eKeep the module free of dust and debris, especially in high-vibration areas.\u003c\/li\u003e\n\u003cli\u003eMonitor ambient temperature; the module is rated for up to 60°C, so ensure proper ventilation.\u003c\/li\u003e\n\u003cli\u003eCheck for any signs of overheating or discoloration on the module face.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWith proper care, the 1756-IA16I delivers long-term reliability, minimizing downtime and replacement costs.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1756-IA16I is compatible with any ControlLogix processor and communication adapter, enabling both local and remote I\/O configurations. It works with standard 1756 chassis and uses the common 36-pin RTB form factor, simplifying spares management. Its electronic keying ensures correct installation, and its isolated inputs make it suitable for diverse industrial signal sources.\u003c\/p\u003e\u003ch2\u003eBuying Guide\u003c\/h2\u003e\u003cp\u003eWhen purchasing a 1756-IA16I, verify that your system uses ControlLogix architecture and that you have the correct terminal block housing (1756-TBCH or 1756-TBS6H). Consider your input voltage requirements—this module is designed for 120V AC. For genuine Allen-Bradley parts and fast delivery, choose \u003cstrong\u003ePLC Source PRO\u003c\/strong\u003e for your automation spares needs.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44434907463779,"sku":"1756-IA16I","price":216.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1756-2WS_e8b52b3f-c647-4b96-ac92-35af189890ba.jpg?v=1785778760","url":"https:\/\/www.plcsourcepro.com\/he\/products\/allen-bradley-1756-ia16i-industrial-automation-module-reliable","provider":"PLC Source PRO","version":"1.0","type":"link"}