Siemens 6SL3352-3AE32-1AA0 – Dual-Axis Booksize Motor Module | SINAMICS S120 Platform
Engineering Background: The SINAMICS S120 drive system is Siemens’ flagship multi-axis servo and vector drive platform, engineered for high-dynamic motion control in demanding industrial automation environments. The booksize form factor enables compact, modular cabinet integration with shared DC bus architecture, dramatically reducing panel footprint and energy consumption through regenerative braking.
Product Positioning: The 6SL3352-3AE32-1AA0 is a Double Motor Module (dual-axis output) within the SINAMICS S120 Booksize series, rated at 2 × 16A (32A combined) output current at 400V AC. It is purpose-built for synchronous servo motors and induction motors requiring precise torque and speed regulation in multi-axis coordinated motion systems. This module operates as a slave power unit on the shared DC bus supplied by a Line Module (ALM/SLM/BLM), making it ideal for machine tool, packaging, printing, and robotics applications.
Complete Technical Specifications
| Part Number / SKU | 6SL3352-3AE32-1AA0 |
| Series / Platform | SINAMICS S120 Booksize |
| Module Type | Double Motor Module (Dual-Axis) |
| Output Current (per axis) | 16A (continuous) |
| Combined Output Current | 32A |
| DC Bus Voltage | 510–720V DC (nominal 600V DC) |
| Output Voltage | 0–400V AC (3-phase) |
| Output Frequency | 0–650 Hz |
| Power Loss (at rated load) | approx. 190W |
| Cooling Method | Forced air cooling (internal fan) |
| Form Factor | Booksize (rail-mount, shared DC bus) |
| Communication Interface | DRIVE-CLiQ (2× ports) |
| Safety Functions | STO (Safe Torque Off) – SIL2 / PLd |
| Protection Class | IP20 |
| Ambient Temperature | 0°C to +40°C (derated to +55°C) |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5–95% RH (non-condensing) |
| Weight | approx. 7.5 kg |
| Approvals / Certifications | CE, UL, cUL, RoHS |
| Country of Origin | Germany |
| Siemens MLFB | 6SL3352-3AE32-1AA0 |
Proven Application Environments
- CNC Machine Tools – Coordinated dual-axis servo control for X/Y or spindle/feed axes with sub-millisecond torque response
- Packaging Machinery – High-speed multi-axis synchronization for form-fill-seal, labeling, and cartoning lines
- Printing & Converting – Tension-controlled web handling with regenerative energy recovery
- Robotics & Handling – Compact dual-axis drive for articulated arm joints and gantry systems
- Textile Machinery – Precise speed ratio control across multiple driven rollers
- Semiconductor & Electronics Manufacturing – Ultra-smooth motion for pick-and-place and wafer handling
Engineering Advantages
- Dual-Axis in Single Slot – Controls two independent motor axes from one booksize slot, halving cabinet space vs. two single-axis modules
- Shared DC Bus Architecture – Enables regenerative energy exchange between braking and accelerating axes, reducing net energy consumption by up to 30%
- DRIVE-CLiQ Topology – Single-cable digital interface carries power, encoder signals, and diagnostics, eliminating resolver wiring and reducing commissioning time
- Integrated STO Safety – SIL2/PLd Safe Torque Off without external safety relays, simplifying machinery directive compliance
- Seamless SIMATIC Integration – Native S7-300/400/1500 PLC integration via PROFIBUS/PROFINET with isochronous real-time (IRT) synchronization
- Scalable Performance – Fully compatible with SINAMICS S120 CU320-2 and CU310-2 Control Units for centralized or distributed topologies
System Architecture & Signal Flow
The 6SL3352-3AE32-1AA0 operates within the SINAMICS S120 booksize drive line as follows:
- AC Supply → Line Module (ALM/SLM/BLM) – Rectifies 3-phase AC to regulated DC bus (600V DC nominal)
- DC Bus → Motor Module (6SL3352-3AE32-1AA0) – Inverts DC to variable-frequency 3-phase AC for each motor axis independently
- DRIVE-CLiQ Ring → Control Unit (CU320-2) – Bidirectional digital communication for setpoints, actual values, and diagnostics at 125µs cycle time
- Motor Encoder → DRIVE-CLiQ Encoder Module or SMC – Closed-loop position/speed feedback with absolute encoder support (EnDat, SSI, Hiperface)
- PLC → Control Unit via PROFINET IRT – Motion setpoints synchronized to machine cycle with ≤1ms jitter
Sourcing & Quality Verification
- ✅ Genuine Siemens OEM hardware – sourced through authorized industrial distribution channels
- ✅ Pre-shipment functional test – DC bus energization, DRIVE-CLiQ enumeration, and STO circuit verification
- ✅ Firmware version documented – compatible with STARTER / Startdrive V5.x and above
- ✅ Original packaging or equivalent ESD-safe packaging with full traceability documentation
- ✅ Warranty – 12-month replacement warranty against manufacturing defects
Procurement Process
- Submit RFQ – Contact [email protected] with quantity, required delivery date, and project details
- Receive Quotation – Formal quotation with lead time, unit price, and shipping options within 24 business hours
- Order Confirmation – Purchase order accepted; payment via T/T, PayPal, or credit card
- Inspection & Dispatch – Pre-shipment test report issued; shipped via DHL Express / FedEx with tracking
- After-Sales Support – Technical commissioning assistance available via email or WhatsApp
Technical FAQ
Q: Can the 6SL3352-3AE32-1AA0 operate two completely independent axes simultaneously?
A: Yes. Each axis has its own independent inverter bridge, current controller, and DRIVE-CLiQ port. Both axes can run at full rated current simultaneously provided the DC bus Line Module is sized accordingly.
Q: Which Control Units are compatible?
A: CU320-2 DP, CU320-2 PN, CU310-2 DP, CU310-2 PN. The module is also compatible with SIMOTION D4x5-2 integrated drive-control units.
Q: What motor types can be connected?
A: Synchronous servo motors (1FK7, 1FT7, 1FW6), induction motors (1PH8, 1LA), and third-party motors with compatible encoder interfaces (EnDat 2.1/2.2, SSI, Hiperface, TTL/HTL incremental).
Q: Is the STO function certified for use in safety applications?
A: Yes. The integrated STO meets IEC 62061 SIL2 and ISO 13849-1 PLd requirements. A Siemens functional safety certificate is available upon request.
Q: What firmware / software version is required for commissioning?
A: Siemens STARTER V5.4 SP1 or Startdrive V16/V17/V18 (TIA Portal). Firmware ≥ V4.7 SP10 is recommended for full feature support.
Q: Can this module replace a 6SL3120-2TE21-8AA3 or similar single-axis module?
A: The 6SL3352 series is a dual-axis module and has a different mechanical footprint from single-axis 6SL3120 modules. Direct slot-for-slot replacement is not possible without mechanical adaptation.
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