C-2144##（Standard）
C-2144##（Standard）
Motor Specifications
| Item | Unit | Model | ||
|---|---|---|---|---|
| C-214401 | C-214402 | C-214403 | ||
| Rated voltage | V | 12 | 24 | 18 |
| Rated output | W | 3.2 | 3.2 | 3.4 |
| Rated torque | mNm | 4.90 | 4.90 | 4.90 |
| gf-cm | 50 | 50 | 50 | |
| oz-in | 0.695 | 0.695 | 0.695 | |
| Rated Speed | rpm | 6450 | 6450 | 6750 |
| Rated current | mA | 400 | 200 | 300 |
| No Load Speed | rpm | 8000 | 8000 | 8150 |
| No Load current | mA | 70 | 40 | 55 |
| Starting torque | mNm | 25.48 | 25.48 | 28.42 |
| gf-cm | 260 | 260 | 290 | |
| oz-in | 3.614 | 3.614 | 4.031 | |
| Starting current | A | 1.9 | 0.9 | 1.5 |
| Rotor inertia | g-cm2 | 1.9 | 1.9 | 2.2 |
| Armature resistance | Ω | 6.3 | 26.7 | 12.1 |
| Inductance | mH | 0.17 | 0.69 | 0.40 |
| Mechanical time constant | m-sec | 6.0 | 6.0 | 6.0 |
| Back EMF constant | V/103rpm | 1.44 | 2.87 | 2.13 |
| Torque constant | mNm/A | 13.7 | 29.4 | 19.6 |
| gf-cm/A | 140 | 300 | 200 | |
| oz-in/A | 1.94 | 4.16 | 2.77 | |
| Maximum output | W | 5.2 | 5.2 | 5.9 |
| Initial angular acceleration | rad/sec2 | 140×103 | 140×103 | 142×103 |
| Thermal resistance (case-ambient) | ℃/W | 11 | 11 | 11 |
| Winding insulation class | – | F | ||
| Maximum armature winding temperature rise | ℃ | 155 | ||
| Operating ambient temperature | ℃ | -10 ～ +60 | ||
| Number of commutator segments | – | 11 | ||
| Bearing type | – | Ball bearings | ||
| Brush materials | – | Silver/Carbon | ||
| Weight | g | 84 | 84 | 84 |
- Motor Specifications
- With Tachometer Generator
- With Optical Encoder
- With Cost-Effective Optical Encoder
- With ZMP Gearhead
With Tachometer Generator
| Item | Unit | Tachometer Generator’s Specification |
|---|---|---|
| Output voltage | V/1000rpm | 1.5 ± 10% |
| Linearity | % max | 0.3 |
| Ripple P-P value (test circuit) | % max | 5 |
| Ripple frequency | Cycle/Rev | 11 |
| Directional error | % max | 0.5 |
| Armature resistance | Ω | 27 |
| Inductance | mH | 0.4 |
| Rotor inertia | g-cm2 | 1.0 |
| Output voltage of temperature coefficient | %/℃ | -0.04 |
| Weight (motor + tachometer generator) | g | 142 |
With Optical Encoder
※Coreless DC Motors with Optical Encoders (EC-2144**) have finished production and receiving orders on March 3, 2020. Cost-Effective model (LEC-2144**) will continue and if the encoder with three channels is needed, please check ENC-1841.
- Motor Specifications
- With Tachometer Generator
- With Optical Encoder
- With Cost-Effective Optical Encoder
- With ZMP Gearhead
With Cost-Effective Optical Encoder
| Encoder type | Incremental Type | |
|---|---|---|
| Item | Unit | Encoder’s Specification |
| Encoder type | – | Incremental |
| Output pulse number | Pulse/Rev | 100、200 |
| Number of channels | – | 2 |
| Power source voltage | Vcc | 5±5% |
| Current Consumption | mA | 60 (max.) |
| Output voltage | V | “ H ” ｜ 2.4 (min.) |
| mH | “ L” ｜ 0.5 (max.) | |
| Response frequency | kHz | 35(Note*1) |
| Rotor inertia | g-cm2 | 0.03 |
| Weight (motor + encoder) | g | 95 |
- Note*1: The motor speed is limited by the response frequency.
With ZMP Gearhead
※Coreless DC Motors with Optical Encoders (EC-2144**) have finished production and receiving orders on March 3, 2020. Cost-Effective model (LEC-2144**) will continue and if the encoder with three channels is needed, please check ENC-1841.
Rated Characteristic of Motor with Gear(s)
C-2144##G ZMP 1/xxx (φ25)
| Reduction ratio | 4 | 6 | 16 | 24 | 36 | 64 | 96 | 144 | 216 | 256 | 384 | 576 | 864 | ※1296 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated torque | N・m | 0.016 | 0.024 | 0.056 | 0.084 | 0.127 | 0.191 | 0.286 | 0.430 | 0.645 | 0.652 | 0.978 | 1.467 | 2.201 | 3.000 |
| Rated Speed | rpm | 1687 | 1125 | 421 | 281 | 187 | 105 | 70 | 46 | 31 | 26 | 17 | 11 | 7 | 5 |
| Rated output | w | 2.9 | 2.9 | 2.4 | 2.4 | 2.4 | 2.1 | 2.1 | 2.1 | 2.1 | 1.8 | 1.8 | 1.8 | 1.8 | 1.6 |
| Length (L) | mm | 24.7 | 24.7 | 29.6 | 29.6 | 29.6 | 37.1 | 37.1 | 37.1 | 37.1 | 44.6 | 44.6 | 44.6 | 44.6 | 44.6 |
- Note*1: If using Reduction ratio marked with an asterisk (*), please make sure not to exceed the allowable output torque of the gearhead.
- Note*2: Values assume continual operation under an evenly distributed load.
