Siemens 6SL3120-1TE26-0AC0 – SINAMICS S120 Single Motor Module 60A | Booksize Format
Engineering Background
The SINAMICS S120 drive system is Siemens’ flagship multi-axis servo and vector drive platform, engineered for demanding motion-control applications across machine tools, printing, packaging, and process automation. The S120 architecture separates the infeed (Line Module) from the axis control (Motor Module), enabling modular, scalable drive trains with shared DC-link bus topology.
Product Positioning
The 6SL3120-1TE26-0AC0 is a Single Motor Module in Booksize format rated at 60 A continuous output current. It connects directly to the S120 DC-link bus and drives one AC induction or synchronous servo motor. Designed for high-dynamic servo axes where precise torque and speed control are critical, this module is the workhorse of mid-power single-axis applications within the S120 cabinet or booksize cluster.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Order Number (MLFB) | 6SL3120-1TE26-0AC0 |
| Product Family | SINAMICS S120 |
| Module Type | Single Motor Module (Booksize) |
| Output Current (continuous) | 60 A |
| DC Link Voltage | 600 V DC (nominal, from Active/Smart Line Module) |
| Output Voltage | 3-phase AC, 0–480 V |
| Switching Frequency | 4 kHz (default); 8 / 16 kHz selectable |
| Control Interface | DRIVE-CLiQ (integrated) |
| Safety Functions | STO (Safe Torque Off) – SIL 2 / PLe |
| Cooling Method | Forced air (internal fan) |
| Degree of Protection | IP20 |
| Ambient Temperature | 0 °C to +40 °C (derated to +55 °C) |
| Weight | approx. 1.8 kg |
| Dimensions (W × H × D) | 50 mm × 380 mm × 270 mm (Booksize) |
| Firmware Compatibility | SINAMICS S120 FW ≥ 4.x |
| Standards | CE, UL, cUL, RoHS |
Proven Application Environments
- CNC Machine Tools – High-dynamic servo axes for spindle and feed drives requiring precise torque control
- Packaging Machinery – Multi-axis coordinated motion with tight synchronization via PROFINET/PROFIBUS
- Printing & Converting Lines – Register control and tension management on web-fed systems
- Robotics & Handling – Servo axes in gantry and articulated-arm configurations
- Textile & Winding Machines – Torque-controlled winding with dancer-roll feedback
- Test Benches – Four-quadrant operation for motor and load simulation
Engineering Advantages
- DRIVE-CLiQ Integration – Single cable carries power feedback, encoder data, and module ID; eliminates separate encoder wiring and simplifies commissioning via STARTER / TIA Portal
- Shared DC-Link Bus – Energy regenerated by braking axes is consumed by motoring axes, reducing net energy draw and eliminating braking resistors in balanced systems
- Integrated STO Safety – Dual-channel Safe Torque Off certified to SIL 2 / PLe without external safety relay, reducing panel footprint and BOM cost
- Compact Booksize Form Factor – 50 mm width enables dense multi-axis clusters; standardized mounting rail compatible with S120 Booksize infrastructure
- Selectable Switching Frequency – 4 / 8 / 16 kHz options balance motor acoustic noise against module thermal loading
- Plug-and-Play Replacement – Module stores drive parameters on DRIVE-CLiQ; replacement unit auto-downloads configuration on first power-up
System Architecture & Signal Flow
In a typical S120 Booksize cluster, the Active Line Module (ALM) or Smart Line Module (SLM) rectifies incoming 3-phase AC to a regulated DC-link bus (nominally 600 V DC). The 6SL3120-1TE26-0AC0 Single Motor Module taps this DC bus and inverts it to variable-frequency, variable-voltage 3-phase AC for the connected motor. The Control Unit (CU320-2) communicates with the Motor Module via DRIVE-CLiQ, executing closed-loop vector or servo control algorithms. Encoder feedback from the motor is routed back through DRIVE-CLiQ to the CU, completing the control loop. Safety signals (STO) are wired directly to the Motor Module’s dual-channel safety terminals.
Sourcing & Quality Verification
- Origin: Sourced from authorized Siemens distribution channels and verified surplus stock
- Inspection: Each unit undergoes visual inspection, label verification (MLFB / date code), and functional power-on test prior to shipment
- Packaging: Ships in original or equivalent ESD-safe packaging with foam cushioning
- Warranty: 12-month Konmask warranty covering manufacturing defects and functional failure
- Documentation: Siemens datasheet and wiring diagram available on request
Procurement Process
- Submit your inquiry with required quantity and delivery timeline via [email protected] or the on-page contact form
- Receive a formal quotation with unit price, lead time, and shipping options within 24 business hours
- Confirm purchase order; payment via T/T, PayPal, or agreed terms
- Unit dispatched with tracking number and commercial invoice / packing list
- Post-delivery technical support available for installation and commissioning queries
Technical FAQ
Q: Is the 6SL3120-1TE26-0AC0 compatible with SINAMICS S120 firmware V5.x?
A: Yes. The module is backward-compatible with all S120 firmware versions from V4.x onward. Always update the CU firmware before replacing a Motor Module in a live system.
Q: Can this module drive a permanent-magnet synchronous motor (PMSM)?
A: Yes. The S120 Motor Module supports both induction (ASM) and synchronous (PMSM/LSPM) motors. Motor type is configured in the drive object parameters via STARTER or TIA Portal V15+.
Q: What Line Module is required to pair with this unit?
A: A Booksize Active Line Module (e.g., 6SL3130-7TE21-6AA3 / 16 kW) or Smart Line Module sized to cover the total peak power of all Motor Modules on the shared DC bus.
Q: Does the module support Safe Stop 1 (SS1)?
A: STO (Safe Torque Off) is integrated. SS1 can be implemented via the CU320-2 safety function with an external timer or via TM54F terminal module — no additional hardware required on the Motor Module itself.
Q: What is the lead time for this part?
A: In-stock units ship within 1–3 business days. For large quantities or specific date-code requirements, contact us for availability confirmation.
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