Description
Engineered for high-performance motion control environments, the Delta Electronics ECMA-E11320SS AC Servo Motor delivers precision dynamic response and robust torque performance within the ASDA-A2 servo system ecosystem. This 2.0 kW industrial execution motor features a high-resolution 20-bit incremental encoder, offering closed-loop feedback path security and micro-positioning capabilities for multi-axis machinery, packaging systems, and material handling lines.
Key Technical Features
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High-Resolution Feedback: Integrated 20-bit incremental encoder ensures sub-micron positioning feedback to the host servo drive.
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Mechanical Safety Brake: Equipped with an integrated electromagnetic holding brake to secure vertical or heavily loaded axes during power-loss events.
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Environmental Protection: Pre-installed industrial oil seal prevents fluid and oil mist migration from the gearbox into the stator housing.
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Optimized Thermal Performance: A robust 130mm frame configuration engineered for rapid heat dissipation in heavy duty cycles.
Applications
- Multi-axis CNC machine tools and gantry indexing tables.
- Automated packaging machinery, cartooning lines, and rotary sealing systems.
- Material handling feeders, gantry cranes, and Cartesian industrial robotics.
Technical Specifications
| Manufacturer |
Delta Electronics |
| Model Code |
ECMA-E11320SS |
| Series Name |
ASDA-A2 Series |
| Motor Type |
AC Servo Motor (Electrical Commutation Motor) |
| Rated Power Output |
2.0 kW |
| Rated Supply Voltage |
220 VAC |
| Rated Speed |
2000 r/min |
| Encoder Specification |
Incremental encoder, 20-bit |
| Motor Frame Size |
130 mm |
| Shaft Details |
Standard shaft diameter with keyway (and screw hole) |
| Holding Brake |
Integrated electromagnetic brake |
| Shaft Seal |
Integrated oil seal |
| Net Weight |
9.2 kg |
| Shipping Weight (Calculated) |
11.5 kg |
Empirical Engineering Insights
Alternative Models & Compatibility
This motor is designed for pairing with Delta ASDA-A2 Series Servo Drives rated for 2.0 kW (specifically ASD-A2-2023-x models). Replacing an older ASDA-A series motor with this A2 series model requires configuring parameters inside the drive configuration software to recognize the high-density 20-bit incremental encoder stream correctly.
Application Pitfalls & Engineering Notes
Warning: The integrated brake on this model is a holding brake designed to keep the load stationary when the motor has come to a stop. It must not be programmed as a dynamic deceleration brake, as doing so will wear out the internal friction discs, causing positioning drift and permanent brake mechanics failure.
Commissioning & Wiring Tips
Always route the encoder signal cable away from high-voltage motor power lines. Ensure proper grounding (shielded connections) at the drive side to prevent electromagnetic interference from distorting the high-resolution 20-bit encoder feedback signals. Verify that the oil seal is lightly lubricated during installation if mated to a dry reduction gearbox.
Installation Guidelines
CRITICAL WARNING:
Isolate all electrical systems prior to installation. Verify that the matching servo drive's DC bus capacitor charge LED has extinguished entirely before connecting or disconnecting the motor power and encoder leads. Failure to do so can cause immediate electrical arcing and permanent drive failure.
1
Align the motor shaft with the mechanical coupling of your system, ensuring zero axial or radial misalignment to safeguard the motor bearings.
2
Connect the heavy-gauge 3-phase power cable (U, V, W) and the independent safety PE terminal to the motor terminal box or military connector.
3
Plug in the 20-bit encoder feedback harness, ensuring the connection is secure and locked into place to prevent signal loss faults during vibration.