The **M2AC-A40-R2** is a high-performance industrial AC servo motor manufactured by **Delta Electronics**, belonging to the **ASDA-M series**. This specific motor is designed for high-precision motion control applications where synchronization and rapid response are critical. --- ### 1. Technical Specifications Below are the primary electronic and mechanical ratings for the M2AC-A40-R2: | Parameter | Specification | |:---|:---| | **Rated Output Power** | 400 W | | **Input Voltage** | AC 220V (3-Phase/Single Phase) | | **Rated Torque** | 1.27 N-m | | **Max Torque** | 3.82 N-m | | **Rated Speed** | 3000 r/min | | **Max Speed** | 5000 r/min | | **Encoder Resolution** | 20-bit (approx. 1,280,000 pulses/rev) | | **Frame Size** | 60 mm | --- ### 2. Key Electronic Components & Features #### A. Encoder System The motor features a high-resolution **20-bit incremental encoder**. This component is responsible for: * Providing real-time positional feedback to the servo drive. * Ensuring smooth rotation at low speeds by minimizing torque ripple. * Enabling high-frequency response for complex motion paths. #### B. Winding and Insulation * **Class F Insulation:** The internal copper windings are rated for high-temperature stability, ensuring durability under heavy duty cycles. * **Permanent Magnet Synchronous Motor (PMSM):** It utilizes high-grade rare-earth magnets on the rotor to achieve high power density in a small frame size. #### C. Connectivity and Interface The "R2" suffix typically denotes specific connector types or shaft configurations within the Delta ecosystem: * **Power Connector:** High-grade industrial plugs to handle peak currents during acceleration. * **Encoder Connector:** Shielded multi-pin connector to prevent Electromagnetic Interference (EMI) from corrupting feedback signals. --- ### 3. Compatible Servo Drive To operate this motor, it must be paired with a compatible Delta ASDA-M series driver. The wiring logic follows this standard block: ```mermaid graph LR A[AC Power 220V] --> B[ASDA-M Drive] B --> C[U, V, W Power Cable] C --> D[M2AC-A40-R2 Motor] D -- Feedback Loop --> E[Encoder Cable] E --> B ``` --- ### 4. Application Areas Due to its 400W rating and high-speed capability, it is commonly used in: 1. **CNC Tool Changers:** Where rapid, precise positioning is required. 2. **Packaging Machinery:** For synchronized belt or conveyor movement. 3. **Electronic Assembly:** For SMT (Surface Mount Technology) pick-and-place arms. 4. **Robotic Joints:** Providing the necessary torque-to-weight ratio for small industrial robots. ---