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(SIMOTICS S‑1FL6 Series, V90 PN Version)
This is a Siemens permanent magnet synchronous servo motor from the V90 series, 0.75 kilovatios, 230 V three‑/single‑phase, 40 mm flange, with brake, 2500‑line incremental encoder. It is compatible with V90 PN drives and suitable for positioning and speed control applications with medium and small loads.
- Detailed Model Explanation
| Segmento de modelo | Meaning | Descripción detallada |
| 1FL6 | Serie de productos | SIMOTICS S‑1FL6 servo motor, matching SINAMICS V90 drives |
| 42 | Flange Size | 40 mm shaft height, standard flange mounting |
| 2AF21 | Electrical Specification | 2 = 200–240 V supply; A = standard; F = low inertia; 21 = control interface and version |
| 1AB1 | Special Configuration | 1 = incremental encoder (TTL); A = 250 lines (131072 pulses/rev); B = with keyway; 1 = with brake |
- Core Technical Data (Official Specifications)
| Categoría de parámetro | Valor | Notas |
| Basic Data | ||
| Motor Type | Permanent Magnet Synchronous Servo Motor | For V90 PN version |
| Potencia nominal | 0.75 kilovatios (1.02 hp) | Measured at winding temperature rise 85 K |
| Tensión nominal | 200–240 V AC 3‑/1‑phase | For V90 200 V series drives |
| Corriente nominal | 4.7 A | Continuous operating value |
| Rated Speed | 3000 rpm | Synchronous speed |
| Max Speed | 5000 rpm | Short‑term peak |
| Torque Performance | ||
| Rated Torque | 2.39 Nuevo Méjico | Continuous at rated condition |
| Max Torque | 7.20 Nuevo Méjico | 3× rated torque, short‑term (artículos de segunda clase) |
| Torque Constant | 0.51 Nm/A | Torque per ampere |
| Mechanical Characteristics | ||
| Moment of Inertia | 0.897 kg·cm² (0.0000897 kg·m²) | Rotor inertia |
| Shaft Diameter | 10 milímetros | With keyway |
| Clase de protección | IP65 (cuerpo) / IP67 (shaft) | Dust‑proof and water‑proof for industrial environments |
| Método de enfriamiento | Self‑cooled | No forced ventilation required |
| Clase de aislamiento | Clase B (130 °C) | Winding insulation temperature rating |
| Encoder System | ||
| Tipo | Incremental Encoder (TTL) | Differential output |
| Resolution | 2500 lines/rev | 131072 pulses/rev (13‑bit) after electronic multiplication |
| Brake Configuration | ||
| Brake Type | Electromagnetic Fail‑Safe Brake | Safety holding, brakes on power loss |
| Brake Voltage | 24 En DC | External control power required |
| Physical Data | ||
| Net Weight | 2.80 kilos | Excluding cables |
| Montaje | Flange Mount (IM B5) | Standard servo mounting |
| Cable Length | Estándar 3 m power + encoder cable | Custom extension available |
- Matching Drive and System Configuration
3.1 Recommended Drive Model
6SL3210‑5FE10‑7UA0: SINAMICS V90 PN, 0.75 kilovatios, 200–240 V 3‑/1‑phase input
Interface: PROFINET, supports position / velocidad / torque control modes
3.2 System Wiring Notes
| Wiring Type | Terminales | Descripción |
| Power Cables | UV/V/W | Stator winding connection; recomendado 1.5 mm² |
| Encoder Cable | Special Connector | Differential signal, shielded, max length ≤ 20 metro |
| Brake Cable | BRK+/BRK- | 24 V DC control, observe polarity, external power required |
| Grounding | educación física | Must be securely connected for safety and EMC |
- Installation and Commissioning Guide
4.1 Pasos de instalación mecánica
- Ensure mounting surface is flat and clean; tighten bolts to specified torque (M5: 2.5 Nuevo Méjico)
- Use flexible coupling to avoid excessive radial / axial load (radial runout ≤ 0.1 milímetros)
- Cable outlet direction is adjustable; avoid bending angle > 90°
- Brake release test: verify brake releases smoothly without abnormal noise
4.2 Electrical Commissioning Procedure
- Drive parameters: P0304=230 V, P0305=4.7 A, P0307=0.75 kW, P0310=3000 rpm
- Motor identification: run automatic identification (P1910=1)
- Brake settings: P1215=24 V, P1216=1
- Tuning: adjust gain parameters for optimal dynamic performance
- Aplicaciones típicas
- Packaging Machinery: Filling, sealing, labeling – stable speed and high positioning accuracy
- Equipo electrónico: PCB drilling, insertion, inspection – high‑speed high‑precision motion
- Logistics & Conveying: Sorting, speed control, control sincrónico
- Medical Equipment: Precision motion in diagnostic and therapeutic devices
- General Automation: Small machine tools, winding machines, maquinaria textil
- Fallos comunes y solución de problemas
| Symptom | Posibles causas | Soluciones |
| Motor fails to start | 1. Alimentación no conectada | 1. Check power and control wiring |
| 2. Brake not released | 2. Check brake power and connections | |
| 3. Encoder fault | 3. Inspect encoder cable and connector | |
| Vibración / Hunting | 1. Incorrect gain settings | 1. Retune gains (P1460–P1464) |
| 2. Poor mechanical connection | 2. Check coupling and alignment | |
| 3. Inertia mismatch | 3. Add inertia matching device | |
| Overheat Alarm | 1. Sobrecarga | 1. Reduce load or duty cycle |
| 2. Poor cooling | 2. Clean motor surface | |
| 3. Temperatura ambiente alta | 3. Improve ventilation | |
| Encoder Alarm | 1. Electrical interference | 1. Check shielding and grounding |
| 2. Damaged cable | 2. Replace encoder cable | |
| 3. Encoder failure | 3. Contact Siemens service | |
| Brake Malfunction | 1. Power fault | 1. Check 24 V DC supply |
| 2. Brake coil damage | 2. Measure coil resistance | |
| 3. Mechanical seizure | 3. Manually release and inspect |
- Replacement and Expansion Suggestions
7.1 Series Alternatives
| Requirement | Modelo recomendado | Difference |
| Without brake | 1FL6042โ€‘2AF21โ€‘1AA1 | No brake, for low vertical load |
| Absolute encoder | 1FL6042โ€‘2AF21โ€‘1AG1 | 13โ€‘bit absolute encoder, position retention on power loss |
| Different power | 1FL6032 (0.4 kilovatios) / 1FL6052 (1.0 kilovatios) | Same series, mismas dimensiones de montaje |
7.2 System Expansion
Seguridad: Add PROFIsafe module for Safe Torque Off (STO)
Comunicación: PROFINET to PLC for multi‑axis synchronization
Remote Diagnosis: V‑ASSISTANT software for monitoring and diagnostics
- Key Procurement Information
| Artículo | Detalles |
| Product Status | In mass production, available for order |
| Warranty | 12 meses (Siemens official) |
| Lead Time | Standard 4–6 weeks, expedited available |
| Certificaciones | CE, UL, CSA, etc.. |
Siemens 1FL6042‑2AF21‑1AB1 Servo Motor:
Matching Spare Parts & Worldwide Brand Replacements
- Matching Original Siemens Spare Parts
1.1 Drive and Core Components
| Component Type | Order No. | Especificación | Compatibilidad |
| V90 PN Drive | 6SL3210‑5FE10‑7UA0 | 0.75 kilovatios, 200–240 V 3‑/1‑phase, PROFINET | Full match, position/speed/torque control |
| Incremental Encoder | 1FL6042‑2AF21‑1AB1 Encoder | TTL 2500 lines (131072 pulses/rev), keyway | Original position feedback |
| Electromagnetic Brake | 1FL6042‑2AF21‑1AB1 Brake | 24 V DC fail‑safe | Original holding brake |
1.2 Cables and Connectors
| Component Type | Standard Order No. | Length Options | Especificación |
| High‑Flex Power Cable | 6FX3002‑5CK01‑XXXX | 3metro(0300),5metro(0500),10metro(1000) | 4×0.75 mm², shielded, 0.05–1 kW |
| Incremental Encoder Cable | 6FX3002‑2CT20‑XXXX | 3metro(0300),5metro(0500),10metro(1000) | 8‑core, shielded, straight, 40 mm shaft |
| Brake Cable | 6FX3002‑5BL03‑1AF0 | 3 m standard | 2‑core, 24 En DC |
| Motor‑Side Encoder Connector | 6FX2003‑0LL51 | – | Straight, 0.05–1 kW low inertia |
| Motor‑Side Brake Connector | 6FX2003‑0LL52 | – | For brake cable |
1.3 Mounting and Accessories
| Component | Order No. | Descripción |
| Mounting Bolts | M5×16 | Torque 2.5 Nuevo Méjico, 40 mm flange |
| Flexible Coupling | Para 10 mm shaft | Recommended to reduce radial/axial load |
| Sealing Ring | For 1FL6 40 mm series | Maintains IP65 |
| Brake Power Supply | 6EP1332‑2BA20 | 24 En DC, 2 A |
- Worldwide Brand Replacements (Equivalent Specifications)
All below are 0.75 kilovatios, 230 V 3‑/1‑phase, 3000 rpm, brake, incremental encoder, direct drop‑in replacements.
| Marca | Modelo de reemplazo | Parámetros clave | Matching Drive |
| Mitsubishi | HG‑KN73J‑S100 | 0.75 kilovatios, 2.39 Nuevo Méjico, 3000 rpm, 2500 line, 24 V brake, 10 mm shaft | MR‑JE‑70A / MR‑J4‑70GF |
| Panasonic | MHMJ082G1U | 0.75 kilovatios, 2.39 Nuevo Méjico, 3000 rpm, 2500 line, 24 V brake, IP65 | MBDKT2510E / MBDHT2510E |
| Omron | R88M‑1M75030H‑S2 | 0.75 kilovatios, 2.39 Nuevo Méjico, 3000 rpm, 2500 line, 24 V brake, 10 mm shaft | R88D‑GN08H‑ML2 |
| Schneider | BCH0401O12A1C | 0.75 kilovatios, 2.39 Nuevo Méjico, 3000 rpm, 2500 line, 24 V brake, IP65 | LXM23DU07M3X |
| Yaskawa | SGMJV‑08ADE6S | 0.75 kilovatios, 2.39 Nuevo Méjico, 3000 rpm, 2500 line, 24 V brake, 10 mm shaft | SGDS‑08A12A |
| Delta | ECMA‑C20807RS | 0.75 kilovatios, 2.39 Nuevo Méjico, 3000 rpm, 2500 line, 24 V brake, IP65 | ASD‑A2‑0721‑L |
- Replacement Selection Guidelines
- Mechanical Compatibility
Confirm flange (40 milímetros), shaft (10 milímetros), keyway match
Check mounting hole positions and motor length
Verify moment of inertia (0.897 kg·cm²) to avoid performance issues
- Electrical Compatibility
Rated voltage 200–240 V, current ~4.7 A
Encoder: TTL differential
Brake: 24 En DC
- System Adjustment
Reconfigure motor parameters in drive
Perform automatic motor identification
Retune control gains
- Siemens Original Alternatives
| Requirement | Modelo | Difference |
| No Brake | 1FL6042‑2AF21‑1AA1 | Without brake |
| Absolute Encoder | 1FL6042‑2AF21‑1AG1 | 13‑bit absolute encoder |
| Mejora | 1FL2042‑2AF21‑1AB1 (S200) | Official successor to V90, improved performance |
