Effective Coreless Servo Motor Spec Sheet
Coreless Servo Motor Typical Applications: Steering Gear, Intelligent Robot
| Motor model |
NFP-EM2245RBG-A |
NFP-EM2245RBG-B |
| Nominal voltage |
12V DC |
24V DC |
| No-load speed |
13,000rpm |
13,000rpm |
| No-load current |
0.2mA |
0.15mA |
| Nominal speed |
11,500rpm |
11,600rpm |
| Nominal torque |
10mNm |
10mNm |
| Nominal current |
1.33A |
0.73A |
| Stall torque |
86.7mNm |
92.9mNm |
| Stall current |
10A |
5.63A |
| Terminal resistance |
1.2Ω |
4.26Ω |
| Torque constant |
18.7mNm/A |
28mNm/A |
| Speed constant |
500rpm/V |
333rpm/V |
| Mechanical time constant |
0.52ms |
1.86ms |
| Rotor inertia |
2.74g.cm² |
2.74g.cm² |
Coreless Servo Motor Terminal Connection Data Sheet
| Terminal definition A |
|
| 8*#26PE lead + JST terminal |
|
| 1: MC |
5: GND |
| 2: MA |
6: MA |
| 3: MB |
7: MB |
| 4: VCC |
8: MC |
| 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-EM2245RBG-A |
NFP-EM2245RBG-B |
NFP-EM2245RBG-C |
NFP-EM2245RBG-D |
NFP-EM2245RBG-E |
| Reduction ration |
3.57 |
12.76; 16 |
45.55; 51.02 |
182.22; 204.08 |
728.86; 816.33 |
| |
4 |
18.4; 22 |
58.67; 64 |
262.86; 302.29 |
1024; 1029.14 |
| |
5.5 |
|
73.6; 84.64 |
338.56; 404.8 |
1557.38; 1936 |
| |
|
|
101.2; 121 |
465.52; 556.6 |
2286; 2662 |
| Rate torque |
0.3Nm |
0.3Nm |
0.5Nm |
0.5Nm |
0.75Nm |
| Stall torque |
0.5Nm |
0.5Nm |
0.8Nm |
0.8Nm |
1Nm |
| Max efficiency |
90% |
81% |
73% |
65% |
59% |
| Length |
22.1mm |
25.9mm |
29.7mm |
33.5mm |
37.3mm |
| No-load backlash |
1.5° |
1.5° |
2° |
2° |
2° |
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: ±0.02° |
| Number of pulses per revolution: 1~4096PPR |
| Single -turn absolute coding: 18-bit(I²C) |
| 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 45mm Coreless Servo Motor Performance Curve
