{"product_id":"dual-axis-servo-encoder-interface-allen-bradley-1756-m02ae","title":"Dual-Axis Servo Encoder Interface | Allen Bradley 1756-M02AE","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-M02AE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edelivers high-performance, closed-loop motion control for the ControlLogix platform. This module manages two independent analog axes by interfacing with servo or stepper drives via ±10V velocity or torque commands. It utilizes high-speed quadrature encoder inputs to achieve precise position and velocity synchronization. By offloading complex motion trajectories from the main CPU, the 1756-M02AE ensures deterministic performance for demanding applications. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, providing the 16-bit resolution and 4MHz feedback frequency required for sophisticated robotics, packaging, and material handling systems.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-M02AE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog Servo \/ Encoder Interface\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Axes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Independent Analog Axes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eServo Output Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAnalog Voltage (±10V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Resolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Bits\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFeedback Input\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIncremental AB Quadrature with Marker (Z-channel)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEncoder Frequency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 4 MHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePosition\/Velocity Resolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32-bit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDiscrete Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24V DC Optically Isolated, Current Sinking\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (5V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e700 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (24V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 Volts Continuous (Channel-to-System)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 °C to 60 °C (32 °F to 140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Feedback Processing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module accepts quadrature encoder signals up to 4 MHz. This high frequency allows the system to maintain sub-micron positioning accuracy even at high motor velocities, eliminating the \"lost pulses\" common in lower-bandwidth interfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Analog Command Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith 16-bit output resolution, the 1756-M02AE provides extremely smooth velocity transitions. This fine granularity prevents mechanical jitter in sensitive applications like printing or high-speed labeling where inconsistent torque commands cause material waste.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Drive Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module features dedicated 24V DC optically isolated inputs for drive status monitoring (e.g., Drive OK, Home, Registration). This hardware integration allows the ControlLogix system to respond to field faults in microseconds, bypassing standard I\/O scan times to protect mechanical components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCoordinated Multi-Axis Motion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWithin the Studio 5000 environment, the 1756-M02AE synchronizes seamlessly with other 1756 motion modules. Engineers can program complex electronic gearing and camming profiles across multiple axes, leveraging the module’s 32-bit position resolution for absolute synchronization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1756-M02AE control stepper drives?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided the stepper drive accepts a ±10V analog velocity or torque command. While many steppers use Step\/Direction (Pulse) logic, the 1756-M02AE excels in \"closed-loop\" stepper applications where an encoder provides feedback to the module to correct for missed steps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum distance between the module and the encoder?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 4 MHz frequency capability requires high-quality shielded twisted-pair cabling. For optimal signal integrity, keep cable runs within the encoder manufacturer's specifications (typically under 30 meters for high-speed quadrature) to prevent signal attenuation and electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a separate motion controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1756-M02AE resides in the ControlLogix chassis and communicates directly with the Logix controller (e.g., 1756-L7 or L8 series). The controller executes the motion instructions (MAG, MAJ, MAP), and the 1756-M02AE handles the physical signal conversion and encoder loop.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I handle an axis \"Drive Fault\" signal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConnect the drive's fault contact to the optically isolated discrete inputs on the 1756-M02AE. You can configure the module in software to automatically disable the servo loop and trigger a system-wide E-stop routine the moment it detects a fault signal, ensuring machine safety.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43360022331482,"sku":"1756-M02AE","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/16._533decda-d7f6-483d-96c7-b63c6aa7234d.jpg?v=1778643089","url":"https:\/\/www.spareoil.com\/products\/dual-axis-servo-encoder-interface-allen-bradley-1756-m02ae","provider":"SpareOil Automation","version":"1.0","type":"link"}