{"product_id":"allen-bradley-1746-ni16i-slc-500-analog-current-input-module","title":"Allen-Bradley 1746-NI16I SLC 500 16-Point Analog Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-NI16I is a high-density analog input module designed for the SLC 500 programmable logic controller (PLC) system. This module provides 16 single-ended, backplane-isolated input channels with 16-bit resolution, making it suitable for high-precision monitoring of current-based process signals. It is engineered to support a variety of current ranges, including 0 to 20 mA, 4 to 20 mA, and +\/- 20 mA, facilitating integration into diverse industrial control environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16-channel analog current input module for SLC 500 systems.\u003c\/li\u003e\n\u003cli\u003e16-bit resolution for high-accuracy signal conversion.\u003c\/li\u003e\n\u003cli\u003eSupports multiple input signal types: 0-20 mA, 4-20 mA, +\/- 20 mA, and 0-1 mA.\u003c\/li\u003e\n\u003cli\u003eIntegrated open-circuit detection for rapid identification of sensor or wiring faults.\u003c\/li\u003e\n\u003cli\u003eIndividual channel-to-channel isolation for enhanced noise immunity and signal integrity.\u003c\/li\u003e\n\u003cli\u003eCompact single-slot module design for efficient chassis space utilization.\u003c\/li\u003e\n\u003cli\u003e25-pin D-shell connector interface for reliable field wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOilfield water injection automation systems (pressure monitoring).\u003c\/li\u003e\n\u003cli\u003eWastewater treatment plants (aeration tank DO and pH monitoring).\u003c\/li\u003e\n\u003cli\u003ePower station auxiliary control (transformer and bearing temperature monitoring).\u003c\/li\u003e\n\u003cli\u003eHydraulic system monitoring for large-scale presses and rolling machines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1746-NI16I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Types\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, 4-20 mA, +\/- 20 mA, 0-1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V DC)\u003c\/td\u003e\n\u003ctd\u003e125 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24V DC)\u003c\/td\u003e\n\u003ctd\u003e75 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e2.43 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e249 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 to 60 degC (-13 to 140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e25-pin D-shell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the PLC chassis is powered down before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eThe module is designed for standard SLC 500 chassis mounting; ensure it is fully seated and the retaining screws are tightened.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for analog signals to minimize EMI\/RFI interference.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices for the analog common terminal to ensure signal stability.\u003c\/li\u003e\n\u003cli\u003eKeep the module clear of high-voltage power lines and high-EMI sources within the control cabinet.\u003c\/li\u003e\n\u003cli\u003eIf removing the terminal block, use the provided labeling to ensure correct re-wiring of input channels.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch3\u003eWhat is the 1746-NI16I?\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-NI16I is a 16-channel, high-resolution analog current input module designed for the SLC 500 platform.\u003c\/p\u003e\u003ch3\u003eHow do I configure the 1746-NI16I module?\u003c\/h3\u003e\u003cp\u003eConfiguration is performed in RSLogix 500 (offline or online) via the I\/O configuration screen. It is a multi-class module, with Class 3 recommended for optimal performance.\u003c\/p\u003e\u003ch3\u003eWhat are the 1746-NI16I power requirements?\u003c\/h3\u003e\u003cp\u003eThe module draws 125 mA at 5V DC and 75 mA at 24V DC from the SLC 500 backplane.\u003c\/p\u003e\u003ch3\u003eHow can I detect a sensor disconnection?\u003c\/h3\u003e\u003cp\u003eThe 1746-NI16I features built-in open-circuit detection, which allows the controller to report a fault condition if a sensor loop is broken.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50734554710268,"sku":"1746-NI16I","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_10203055-52dd-401e-9b78-d06595e33f84.jpg?v=1785315865","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-1746-ni16i-slc-500-analog-current-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}