(SIMOTICS S‑1FL6 Series, V90 PN Version)
This is a Siemens permanent magnet synchronous servo motor from the V90 series, 0.75 kW, 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 modello | Senso | Descrizione dettagliata |
| 1FL6 | Serie di prodotti | SIMOTICS S‑1FL6 servo motor, matching SINAMICS V90 drives |
| 42 | Dimensioni della flangia | 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 linee (131072 pulses/rev); B = with keyway; 1 = with brake |
- Dati tecnici principali (Official Specifications)
| Categoria dei parametri | Valore | Note |
| Basic Data | ||
| Motor Type | Permanent Magnet Synchronous Servo Motor | For V90 PN version |
| Potenza nominale | 0.75 kW (1.02 hp) | Measured at winding temperature rise 85 K |
| Tensione nominale | 200–240 V AC 3‑/1‑phase | For V90 200 V series drives |
| Corrente nominale | 4.7 UN | Continuous operating value |
| Velocità nominale | 3000 giri/min | Velocità sincrona |
| Max Speed | 5000 giri/min | Short‑term peak |
| Torque Performance | ||
| Coppia nominale | 2.39 N·m | Continuous at rated condition |
| Max Torque | 7.20 N·m | 3× rated torque, short‑term (secondi) |
| Torque Constant | 0.51 Nm/A | Torque per ampere |
| Mechanical Characteristics | ||
| Momento di inerzia | 0.897 kg·cm² (0.0000897 kg·m²) | Rotor inertia |
| Diametro dell'albero | 10 mm | Con chiavetta |
| Classe di protezione | IP65 (corpo) / IP67 (lancia) | Dust‑proof and water‑proof for industrial environments |
| Metodo di raffreddamento | Self‑cooled | No forced ventilation required |
| Classe di isolamento | Classe B (130 °C) | Winding insulation temperature rating |
| Encoder System | ||
| Tipo | Incremental Encoder (TTL) | Differential output |
| Risoluzione | 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 A DC | External control power required |
| Physical Data | ||
| Peso netto | 2.80 kg | Excluding cables |
| Montaggio | Flange Mount (IM B5) | Standard servo mounting |
| Cable Length | Standard 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 kW, 200–240 V 3‑/1‑phase input
Interfaccia: PROFINET, supports position / speed / torque control modes
3.2 System Wiring Notes
| Tipo di cablaggio | Terminali | Descrizione |
| Power Cables | U/V/W | Stator winding connection; raccomandato 1.5 mm² |
| Encoder Cable | Special Connector | Differential signal, shielded, max length ≤ 20 M |
| Brake Cable | BRK+/BRK- | 24 V DC control, observe polarity, external power required |
| Messa a terra | PE | Must be securely connected for safety and EMC |
- Guida all'installazione e alla messa in servizio
4.1 Mechanical Installation Steps
- Ensure mounting surface is flat and clean; tighten bolts to specified torque (M5: 2.5 Nm)
- Use flexible coupling to avoid excessive radial / axial load (radial runout ≤ 0.1 mm)
- 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
- Applicazioni tipiche
- Macchine per l'imballaggio: Filling, sigillatura, labeling – stable speed and high positioning accuracy
- Electronic Equipment: PCB drilling, insertion, inspection – high‑speed high‑precision motion
- Logistics & Conveying: Sorting, speed control, synchronous control
- Attrezzature mediche: Precision motion in diagnostic and therapeutic devices
- General Automation: Small machine tools, winding machines, textile machinery
- Guasti comuni e risoluzione dei problemi
| Sintomo | Possibili cause | Soluzioni |
| Motor fails to start | 1. Alimentazione non collegata | 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 | |
| Vibrazione / 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. Sovraccarico | 1. Reduce load or duty cycle |
| 2. Poor cooling | 2. Clean motor surface | |
| 3. Temperatura ambiente elevata | 3. Migliora la ventilazione | |
| 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 Alimentazione Vcc |
| 2. Brake coil damage | 2. Misurare la resistenza della bobina | |
| 3. Mechanical seizure | 3. Manually release and inspect |
- Replacement and Expansion Suggestions
7.1 Series Alternatives
| Requisito | Modello consigliato | Differenza |
| 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 kW) / 1FL6052 (1.0 kW) | Same series, same mounting dimensions |
7.2 System Expansion
Sicurezza: Add PROFIsafe module for Safe Torque Off (STO)
Comunicazione: PROFINET to PLC for multi‑axis synchronization
Remote Diagnosis: V‑ASSISTANT software for monitoring and diagnostics
- Key Procurement Information
| Articolo | Dettagli |
| Stato del prodotto | In mass production, disponibile per l'ordine |
| Garanzia | 12 mesi (Siemens official) |
| Lead Time | Standard 4–6 weeks, expedited available |
| Certificazioni | CE, UL, CSA, ecc. |
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 | Ordine n. | Specifica | Compatibilità |
| V90 PN Drive | 6SL3210‑5FE10‑7UA0 | 0.75 kW, 200–240 V 3‑/1‑phase, PROFINET | Full match, position/speed/torque control |
| Incremental Encoder | 1FL6042‑2AF21‑1AB1 Encoder | TTL 2500 linee (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 | Specifica |
| High‑Flex Power Cable | 6FX3002‑5CK01‑XXXX | 3M(0300),5M(0500),10M(1000) | 4×0.75 mm², shielded, 0.05–1 kW |
| Incremental Encoder Cable | 6FX3002‑2CT20‑XXXX | 3M(0300),5M(0500),10M(1000) | 8‑core, shielded, straight, 40 mm shaft |
| Brake Cable | 6FX3002‑5BL03‑1AF0 | 3 m standard | 2‑core, 24 A 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
| Componente | Ordine n. | Descrizione |
| Mounting Bolts | M5×16 | Coppia 2.5 Nm, 40 mm flange |
| Flexible Coupling | Per 10 mm shaft | Recommended to reduce radial/axial load |
| Sealing Ring | For 1FL6 40 mm series | Maintains IP65 |
| Brake Power Supply | 6EP1332‑2BA20 | 24 A DC, 2 UN |
- Worldwide Brand Replacements (Equivalent Specifications)
All below are 0.75 kW, 230 V 3‑/1‑phase, 3000 giri/min, brake, incremental encoder, direct drop‑in replacements.
| Marca | Modello sostitutivo | Parametri chiave | Matching Drive |
| Mitsubishi | HG‑KN73J‑S100 | 0.75 kW, 2.39 N·m, 3000 giri/min, 2500 line, 24 V brake, 10 mm shaft | MR‑JE‑70A / MR‑J4‑70GF |
| Panasonic | MHMJ082G1U | 0.75 kW, 2.39 N·m, 3000 giri/min, 2500 line, 24 V brake, IP65 | MBDKT2510E / MBDHT2510E |
| Omron | R88M‑1M75030H‑S2 | 0.75 kW, 2.39 N·m, 3000 giri/min, 2500 line, 24 V brake, 10 mm shaft | R88D‑GN08H‑ML2 |
| Schneider | BCH0401O12A1C | 0.75 kW, 2.39 N·m, 3000 giri/min, 2500 line, 24 V brake, IP65 | LXM23DU07M3X |
| Yaskawa | SGMJV‑08ADE6S | 0.75 kW, 2.39 N·m, 3000 giri/min, 2500 line, 24 V brake, 10 mm shaft | SGDS‑08A12A |
| Delta | ECMA‑C20807RS | 0.75 kW, 2.39 N·m, 3000 giri/min, 2500 line, 24 V brake, IP65 | ASD‑A2‑0721‑L |
- Replacement Selection Guidelines
- Mechanical Compatibility
Confirm flange (40 mm), lancia (10 mm), 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
Codificatore: TTL differential
Brake: 24 A DC
- System Adjustment
Reconfigure motor parameters in drive
Perform automatic motor identification
Retune control gains
- Siemens Original Alternatives
| Requisito | Modello | Differenza |
| No Brake | 1FL6042‑2AF21‑1AA1 | Without brake |
| Absolute Encoder | 1FL6042‑2AF21‑1AG1 | 13‑bit absolute encoder |
| Aggiornamento | 1FL2042‑2AF21‑1AB1 (S200) | Official successor to V90, prestazioni migliorate |
Contattore,interruttore automatico,inverter solare,contatore elettrico,batterie solari




















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