{"product_id":"allen-bradley-1756-if16-controllogix-16-channel-analog-input-module","title":"Allen-Bradley 1756-IF16 ControlLogix 16-Channel Analog Input Module","description":"\u003cp\u003eThe Allen-Bradley 1756-IF16 is a high-performance 16-channel analog input module designed for the ControlLogix platform. It provides precise acquisition of voltage and current signals, facilitating robust monitoring and process control across diverse industrial environments. The module supports flexible input configurations including 16 single-ended channels, 8 differential channels, or 4 high-speed differential channels.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16-bit resolution for high-accuracy measurement of analog process variables.\u003c\/li\u003e\n\u003cli\u003eSoftware-configurable input ranges including ±10.25 V DC, 0–20.5 mA, and 4–20.5 mA.\u003c\/li\u003e\n\u003cli\u003eSelectable data formats: IEEE 32-bit floating-point and 16-bit integer (2's complement).\u003c\/li\u003e\n\u003cli\u003eIntegrated diagnostic features including open-circuit detection and channel-level status monitoring.\u003c\/li\u003e\n\u003cli\u003eSigma-Delta A\/D conversion for superior noise immunity and signal stability.\u003c\/li\u003e\n\u003cli\u003eSupport for real-time channel sampling and configurable engineering unit scaling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is engineered for demanding automation tasks in sectors such as oil and gas, chemical processing, power generation, and water treatment. It is commonly utilized for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMonitoring pressure, temperature, flow, and level sensors.\u003c\/li\u003e\n\u003cli\u003eInterface with vibration monitoring systems and valve positioners.\u003c\/li\u003e\n\u003cli\u003eIntegration into PID control loops for precise process management.\u003c\/li\u003e\n\u003cli\u003eData acquisition for high-speed diagnostic systems.\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\u003e1756-IF16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 Single-ended \/ 8 Differential\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 Ranges\u003c\/td\u003e\n\u003ctd\u003e±10.25V, 0-10.25V, 0-5.125V, ±20.5mA, 0-20.5mA, 4-20.5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power\u003c\/td\u003e\n\u003ctd\u003e2.33 W (150mA @ 5.1V DC; 65mA @ 24V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e250V continuous (channel to backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 degC to 60 degC\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\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eUse 1756-TBCH or 1756-TBS6H removable terminal blocks for secure field wiring.\u003c\/li\u003e\n\u003cli\u003eAlways utilize shielded, twisted-pair cabling (22–14 AWG) to minimize EMI; terminate drain wires to a dedicated chassis ground.\u003c\/li\u003e\n\u003cli\u003eVerify the wiring mode (single-ended vs. differential) in the module configuration within the controller software before applying power.\u003c\/li\u003e\n\u003cli\u003eThe module does not provide internal loop power; ensure external power supplies are correctly integrated for 2-wire transmitter loops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1756-IF16?\u003c\/h3\u003e\u003cp\u003eThe 1756-IF16 is an analog input module that converts field-level voltage or current signals into digital data for processing by a ControlLogix controller.\u003c\/p\u003e\u003ch3\u003eCan I change the wiring mode after configuration?\u003c\/h3\u003e\u003cp\u003eNo, the wiring mode (single-ended or differential) is defined in the module's communication format within the I\/O tree. Changing this requires deleting and re-adding the module in the project file.\u003c\/p\u003e\u003ch3\u003eDoes this module provide excitation power to sensors?\u003c\/h3\u003e\u003cp\u003eNo, this module does not provide loop power. External power sources are required for transmitters that need excitation.\u003c\/p\u003e\u003ch3\u003eHow are 4-20mA signals measured?\u003c\/h3\u003e\u003cp\u003eThe module measures voltage. For 4-20mA signals, the current is routed through an internal 250-ohm resistor (via correct terminal wiring) to create a measurable voltage drop.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51217397448956,"sku":"1756-IF16","price":91.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_05872584-bbff-4187-823f-95edbb4df0f6.jpg?v=1788369550","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1756-if16-controllogix-16-channel-analog-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}