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Siemens 1FL6042-2AF21-1AB1 Servo Motor Siemens 1FL6042-2AF21-1AB1 Servo Motor
The 1FL6042 series is a core product line in Siemens’ SIMOTICS S‑1FL6 family, designed specifically for the SINAMICS V90 Servo Drive System. It is divided into Low Inertia (LI) and High Inertia (HI) versiuni, covering power ratings of 0.4 kW and 0.75 kW, and supporting 230 V / 400 V power supply.
- Convenția de denumire a modelului
| Segment de cod | Descriere | Values for 1FL6042 Series |
| 1FL6 | Siemens SIMOTICS S series servo motor identifier | Fix |
| 42 | Product code representing specific power and frame size | Fix |
| 1AF61 / 2AF21 | Cod de proiectare | Main distinction |
| – 1AF61: HI, 400 V 3‑phase | ||
| – 2AF21: LI, 230 V 1/3‑phase | ||
| 1-2 | Codificator & tip conector | Connector orientation |
| – 1: Straight connector | ||
| – 2: Right‑angle connector (HI only) | ||
| O / G / L / M | Tip de codificator | Feedback selection |
| – A/G/H: incremental (2500 incr./rev) | ||
| – L: Absolut (20‑bit single‑turn, 12‑bit multi‑turn) | ||
| – M: incremental (2500 incr./rev), plain shaft | ||
| O / B | Brake configuration | Brake option |
| – O: Fara frana | ||
| – B: Cu frana |
- Lista completă de modele & Compararea parametrilor cheie
2.1 Low Inertia Series (LI, 2AF21, 0.75 kW, 230 V)
Optimized low‑inertia rotor design for high‑dynamic performance.
Frame size 40 mm, rated torque 2.39 Nm, peak torque 7.20 Nm, rated speed 3000 rpm.
| Model | Tip codificator | Tip arbore | Frână | Caracteristici cheie |
| 1FL6042‑2AF21‑1AA1 | incremental (2500) | Keyed | Nu | Versiunea de bază, straight connector |
| 1FL6042‑2AF21‑1AB1 | incremental (2500) | Keyed | Da | Cu frana, for vertical loads |
| 1FL6042‑2AF21‑1AG1 | incremental (2500) | Plain | Nu | Plain shaft for special couplings |
| 1FL6042‑2AF21‑1AH1 | incremental (2500) | Plain | Da | Plain shaft + frână |
| 1FL6042‑2AF21‑1LA1 | Absolut (20‑bit) | Keyed | Nu | Encoder absolut, no homing required |
| 1FL6042‑2AF21‑1LB1 | Absolut (20‑bit) | Keyed | Da | Encoder absolut + frână |
| 1FL6042‑2AF21‑1MA1 | incremental (2500) | Plain | Nu | Plain shaft, straight connector |
| 1FL6042‑2AF21‑1MB1 | incremental (2500) | Plain | Da | Plain shaft + frână, straight connector |
2.2 High Inertia Series (HI, 1AF61, 0.4 kW, 400 V)
High‑inertia rotor for stable operation and better inertia matching.
Frame size 45 mm, rated torque 1.27 Nm, peak torque 1.9 Nm, rated speed 3000 rpm.
| Model | Tip codificator | Conector | Frână | Caracteristici cheie |
| 1FL6042‑1AF61‑0AA1 | incremental (2500) | Straight | Nu | De bază, 400 V 3‑phase |
| 1FL6042‑1AF61‑0AB1 | incremental (2500) | Straight | Da | Cu frana |
| 1FL6042‑1AF61‑0AG1 | incremental (2500) | Straight | Nu | Plain shaft |
| 1FL6042‑1AF61‑0AH1 | incremental (2500) | Straight | Da | Plain shaft + frână |
| 1FL6042‑1AF61‑0LA1 | Absolut (20‑bit) | Straight | Nu | Encoder absolut |
| 1FL6042‑1AF61‑0LB1 | Absolut (20‑bit) | Straight | Da | Encoder absolut + frână |
| 1FL6042‑1AF61‑2AA1 | incremental (2500) | Right‑angle | Nu | Right‑angle connector, space‑saving |
| 1FL6042‑1AF61‑2AB1 | incremental (2500) | Right‑angle | Da | Right‑angle + frână |
| 1FL6042‑1AF61‑2AG1 | incremental (2500) | Right‑angle | Nu | Plain shaft + right‑angle |
| 1FL6042‑1AF61‑2AH1 | incremental (2500) | Right‑angle | Da | Plain shaft + right‑angle + frână |
| 1FL6042‑1AF61‑2LA1 | Absolut (20‑bit) | Right‑angle | Nu | Encoder absolut + right‑angle |
| 1FL6042‑1AF61‑2LB1 | Absolut (20‑bit) | Right‑angle | Da | Encoder absolut + right‑angle + frână |
- Diferențele cheie & Ghid de selecție
3.1 LI vs HI Core Comparison
| Articol | Low Inertia (2AF21) | High Inertia (1AF61) | Sfat de selecție |
| Putere | 0.75 kW | 0.4 kW | Match load power |
| Voltaj | 230 V (1/3‑phase) | 400 V (3‑phase) | Match site power |
| Cuplu nominal | 2.39 Nm | 1.27 Nm | Higher torque density: LI |
| Peak Torque | 7.20 Nm | 1.9 Nm | Better dynamics: LI |
| Rotor Inertia | Scăzut (0.897 kg·cm²) | Ridicat | HI for high‑inertia loads; LI for fast start/stop |
| Dimensiunea cadrului | 40 mm | 45 mm | HI is slightly larger |
3.2 Encoder Selection
| Tip codificator | Avantaje | Aplicații tipice |
| incremental | Cost mai mic, răspuns rapid | General positioning, no position retention after power loss |
| Absolut | Position retained after power loss, no homing | Poziționare de înaltă precizie, quick recovery after safety stop |
3.3 Brake Selection
| Configurare | Aplicații tipice |
| With Brake | Vertical axes, drop prevention, emergency holding |
| Fara frana | Horizontal axes, rentabil, high‑speed applications |
- Compatibilitate & Aplicații
All 1FL6042 series motors are fully compatible with SINAMICS V90 servo drives, support PROFINET / EtherCAT, and have IP65 protection.
Low Inertia (2AF21): Electronics manufacturing, utilaje de ambalare, mașini de etichetat, high‑speed conveyors
High Inertia (1AF61): Printing machinery, textile equipment, mașini-unelte mici, material handling systems
