Description
Designed for high-precision motion control applications, the Delta Electronics ECMA-F11830RS is a high-performance AC Servo Motor within the ASDA-A2 Series family, delivering a nominal power output of 3.0 kW. This industrial-grade rotary actuator converts electrical energy into precise mechanical rotation, utilizing a 20-bit incremental encoder to feedback high-resolution position data to compatible servo drives. Engineered with a robust 180mm frame size, this electrical commutation motor (ECM) operates on a 220V rated voltage at a base speed of 1500 r/min. It is constructed without a mechanical brake and features an integrated oil seal to maintain reliable operation in demanding environments containing fluids or airborne mist.
Key Technical Features
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20-Bit Incremental Encoder: Provides 1,048,576 pulses per revolution (ppr) for extreme positioning accuracy and low-speed stability.
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Integrated Oil Seal: Provides a physical barrier against liquid splashes and industrial environmental contaminants along the drive shaft.
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Optimized Electrical Commutation: Ensures high efficiency, low cogging torque, and dynamic acceleration performance across the entire speed envelope.
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Keyway with Screw Hole: Standardized shaft interface featuring keyway execution (Type R) and an integrated screw thread for secure coupling alignment.
Industrial Applications
- Multi-axis CNC machining, milling, and precision metal cutting machinery.
- High-speed industrial packaging, wrapping, and bottle-filling systems.
- Material handling automation, gantry systems, and robotic pick-and-place units.
- Precision metal forming, stamping, and automated bending presses.
Technical Specifications
| Parameter |
Specification Value |
| Manufacturer |
Delta Electronics |
| Model Reference |
ECMA-F11830RS |
| Product Line / Series |
ASDA-A2 Series (ECM Type) |
| Motor Type |
AC Servo Motor (Electrical Commutation Motor) |
| Rated Voltage |
220V AC |
| Rated Speed |
1500 r/min |
| Rated Output Power |
3.0 kW |
| Encoder Type |
20-bit Incremental Encoder |
| Motor Frame Size |
180 mm |
| Shaft / Keyway Type |
Standard Shaft Diameter, with Keyway (with screw hole) |
| Brake & Seal Configuration |
Without brake, with oil seal |
| Net Weight |
18.5 kg |
| Shipping Weight |
20.5 kg |
Connections and Interfaces
| Connection / Terminal Group |
Functional Assignment / Wiring Protocol |
| Power Connector (Military Type) |
3-Phase AC motor power supply inputs (U, V, W) plus Protective Earth (PE) ground connection. |
| Encoder Connector (Military Type) |
20-bit digital encoder signal channels (A, B, Z phases, serial feedback lines, and +5V / GND power supply). |
Alternative Models & Compatibility
The ECMA-F11830RS servo motor is designed specifically to interface with Delta's ASDA-A2 Series and ASDA-M Series servo drives rated at 3.0 kW (specifically the ASD-A2-3023-L or ASD-A2-3023-M). If transitioning from older ECMA-F11830SS (which features a standard keyway without screw hole), the physical frame, electrical performance, and wiring pinouts remain fully identical, allowing a direct drop-in mechanical replacement.
Application Pitfalls & Engineering Notes
Due to the absence of an integrated holding brake on this specific model (designated by the 'R' code in the suffix), this motor must not be used for vertical axis applications without an external, independent mechanical brake setup. In vertical installations, a sudden power failure or drive de-energization will result in immediate gravitational descent of the load. Additionally, ensure the oil seal is kept clear of abrasive dry dust particles, which can accelerate seal lip wear and lead to fluid ingress.
Commissioning & Wiring Tips
To maintain signal integrity of the high-speed 20-bit feedback system, always use Delta's factory-assembled, double-shielded twisted-pair encoder cables. Run motor power cables and low-voltage encoder signal cables in separate conduits or wire trays separated by at least 100 mm. Improper grounding of the motor frame to the electrical panel backplate can introduce high-frequency PWM switching noise, triggering drive communication faults (AL011 or AL012).
Installation Guidelines
CRITICAL WARNING: Disconnect and lock out all main 3-phase incoming power lines prior to handling motor terminals. Wait at least 10 minutes for the companion drive's internal bus capacitors to completely discharge (verify via drive DC link terminal voltage measuring below 50VDC) before disconnecting power or encoder plugs.
1
Mount the motor securely to a flat, rigid metal surface using appropriate grade 8.8 bolts or higher to optimize heat conduction and prevent mechanical resonance.
2
Align the output shaft precisely with the driven load. Use flexible couplings to prevent radial and axial forces from exceeding the specified structural bearing limits.
3
Ensure the power and encoder cable connectors are threaded completely and securely to maintain the IP rating and prevent moisture tracking.