Effective Coreless Servo Motor Spec Sheet
Coreless Servo Motor Typical Applications: Steering Gear, Intelligent Robot
| Motor model |
NFP-EM2447RBG-A |
NFP-EM2447RBG-B |
| Nominal voltage |
24V DC |
36V DC |
| No-load speed |
13,000rpm |
13,000rpm |
| No-load current |
0.12mA |
0.12mA |
| Nominal speed |
12,350rpm |
12,280rpm |
| Nominal torque |
10mNm |
10mNm |
| Nominal current |
0.685A |
0.5A |
| Stall torque |
200mNm |
180.6mNm |
| Stall current |
11.4A |
7.14A |
| Terminal resistance |
2.1Ω |
5.04Ω |
| Torque constant |
17.28mNm/A |
25.92mNm/A |
| Speed constant |
542rpm/V |
361rpm/V |
| Mechanical time constant |
5.98ms |
4.79ms |
| Rotor inertia |
1.99g.cm² |
1.99g.cm² |
| Phase inductance |
0.0307mH |
|
Coreless Servo Motor Terminal Connection Data Sheet
| Terminal definition A |
|
| 8*#26PE lead + JST terminal |
|
| 1: MC |
5: HC |
| 2: MA |
6: HB |
| 3: MB |
7: HC |
| 4: GND |
8: VCC |
| Connection B: EN60603-13/DIN-41651 Pitch 2.54mm10pin |
|
| Flat band cable: |
|
| Sequence: |
|
| 1: MOTOR+ |
6: Channel A |
| 2: VCC DC5V |
7: Channel B- |
| 3: GND |
8: Channel B |
| 4: MOTOR- |
9: Channel Z- |
| 5: Channel A- |
10: Channel Z |
Coreless Servo Motor Stage Data Sheet
| Stage |
NFP-EM2447RBG-A |
NFP-EM2447RBG-B |
NFP-EM2447RBG-C |
NFP-EM2447RBG-D |
NFP-EM2447RBG-E |
| Reduction ration |
3.3 |
12.23; 14.14 |
35.94; 46.67 |
118.59; 1544.02 |
660.07; 741.25 |
| |
4.29 |
17.1; 22.21 |
56.43; 60.61 |
200.02; 259.77 |
857.23; 1036.5 |
| |
|
|
78.72; 95.18 |
337.36; 407.9 |
1346.1; 1627.5 |
| |
|
|
|
493.19 |
1748.1; 2113.7 |
| Rate torque |
0.5Nm |
0.5Nm |
0.8Nm |
0.8Nm |
1Nm |
| Stall torque |
1Nm |
1Nm |
1.5Nm |
1.5Nm |
2Nm |
| Max efficiency |
90% |
81% |
73% |
65% |
59% |
| Length |
20.3mm |
24.4mm |
30.2mm |
34.3mm |
38.4mm |
| No-load backlash |
1.5° |
1.5° |
2° |
2° |
2.5° |
Coreless Servo Motor Encoder Data Sheet
| Encoder |
| Basic parameters: |
| Supply voltage: DC 3.3~5V |
| Typical current :15mA |
| Max.Mech.Speed(min-1) 25,000rpm |
| Intergral Non-Linearity: ±1.5~1° |
| Differential (ABZ) Non-Linearity: ±0.01° |
| Number of pulses per revolution: 1~4096PPR |
| Single -turn absolute coding: 18-bit(SPI) |
| Power-Up-Time16ms |
| Propagation Delay: 1~3us |
| Rsing Time: 1us |
| Falling Time: 1us |
| Storage Temperature: -20~45°C |
| Operating Temperature: -20~80°C |
High Torque Coreless Servo Motor Mechanical Diagram
Durable 47mm Coreless Servo Motor Performance Curve
