Siemens 6SL3120-1TE26-0AA3 SINAMICS S120 Single Motor Module
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Product Information
The Siemens 6SL3120-1TE26-0AA3 is a SINAMICS S120 Single Motor Module engineered for precise, multi-axis motion control applications. Operating as a power execution unit within the modular SINAMICS S120 drive system, this servo drive module takes an input of 600 V DC across a rated range of 510 to 720 V DC and delivers a controlled 3-phase 400 V AC output rated at 60 A continuous current. Formed in a space-saving Booksize frame measuring 380 x 100 x 380 mm with IP20 open enclosure protection and internal air cooling, the unit provides fast, dynamic speed and position control across machine tools, industrial robotics, packaging lines, and automated machinery.
Interfacing with centralized drive architectures, the 6SL3120-1TE26-0AA3 connects directly to shared 600 V DC busbars and utilizes the proprietary DRIVE-CLiQ high-speed serial bus to communicate with higher-level S120 Control Units, such as the CU320-2 PN or CU320-2 DP. The DRIVE-CLiQ connection automatically transfers electronic rating plate parameters, motor feedback data, and module status to the controller. Putting a spare unit into service is not strictly plug-and-run; maintenance personnel must perform topology recognition and parameter alignment using Siemens STARTER or SINAMICS Startdrive V15+ engineering software. Teams can work with ABC Industrial Parts to source tested replacement modules and ensure proper configuration alignment prior to installation.
Operational state monitoring for the 6SL3120-1TE26-0AA3 is handled through local status LEDs and remote diagnostic buffers on the primary Control Unit. The RDY / RUN dual-color LED displays solid green during standard operation and turns solid or flashing red when a hardware fault, thermal limit, or missing enable signal occurs. Standard fault conditions include overcurrent (F30001), DC link overvoltage (F30002), DC link undervoltage (F30003), heat sink overtemperature (F30004), and thermal overload (F30005). Initial field troubleshooting should start with inspecting DC busbar seating, motor cable grounding, and air cooling passages. Internal power-stage failures cannot be repaired on-site, making an exchange module from ABC Industrial Parts the quickest method to recover machine uptime.
Technical Specifications
| Manufacturer | Siemens |
| Part number | 6SL3120-1TE26-0AA3 |
| Model / type | SINAMICS S120 Single Motor Module |
| Product family | SINAMICS S120 |
| Component type | Servo Drive Motor Module |
| Rated input voltage | 600 V DC |
| Input voltage range | 510 - 720 V DC |
| Output voltage | 400 V AC (3-phase) |
| Rated output current | 60 A |
| Control supply current | 1.05 A at 24 V DC |
| Output frequency range | 0 - 650 Hz |
| Pulse switching frequency | 4 kHz |
| Frame format | Booksize |
| Cooling type | Internal Air Cooling |
| Dimensions (H x W x D) | 380 x 100 x 380 mm |
| Degree of protection | IP20 |
| Operating temperature | 0 - 40 °C |
Programming and Configuration
Parameter settings and operational configurations for the 6SL3120-1TE26-0AA3 are configured through Siemens engineering software, including STARTER and SINAMICS Startdrive V15+ within the TIA Portal framework. The software interfaces with the module via the system's central S120 Control Unit, allowing engineers to set motor parameters, current limits, speed controller parameters, and integrated safety functions.
During commissioning or module replacement, the DRIVE-CLiQ interface reads the electronic rating plate stored in the module's non-volatile memory. This feature transfers factory data directly into the project configuration, reducing manual entry errors. System projects and parameter backups are maintained centrally on the Control Unit's memory card, allowing configuration parameters to be downloaded directly to the replacement unit upon hardware swap.
Communication and System Integration
The 6SL3120-1TE26-0AA3 is designed for installation in multi-axis drive cabinets using standard 600 V DC busbars. Power is drawn from a central SINAMICS S120 Line Module, such as a Basic, Smart, or Active Line Module, allowing energy sharing across multiple drive axes connected to the same DC link.
Field communication and control synchronization are established via the DRIVE-CLiQ serial bus, which connects the motor module to an S120 Control Unit such as the CU320-2 PN or CU320-2 DP. The central Control Unit acts as the gateway to upper-level automation networks, managing PROFINET or PROFIBUS DP communications, cyclic speed setpoint generation, and safety function execution across all connected axes.
Diagnostics and Status Indication
Diagnostic routines for the 6SL3120-1TE26-0AA3 rely on a combination of physical status indicators and software-driven buffer logs. The module features an integrated RDY / RUN dual-color LED on the front interface, giving immediate visual status regarding power-stage activation, communication integrity, and fault conditions.
Extended diagnostic procedures are conducted through the connected Control Unit using STARTER or SINAMICS Startdrive software. The system performs automatic DRIVE-CLiQ auto-topology checks to identify connected hardware, verify electronic rating plate credentials, and register operational fault alarms inside the central diagnostic memory buffer.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| RDY / RUN | Green / Red - Solid Green / Solid or Flashing Red | Green indicates normal operational status and module readiness; Red indicates a hardware/internal fault or missing enable signal requiring diagnostic attention. |
Replacement and Spare Part Considerations
Replacing a 6SL3120-1TE26-0AA3 motor module requires confirming matching physical and electrical ratings. The replacement unit must feature the Booksize form factor with dimensions of 380 x 100 x 380 mm and match the original continuous output current rating of 60 A to ensure compatibility with installed cabinet busbars and motor cabling.
When mounting a spare module, inspect all DC link busbar screws, DRIVE-CLiQ signal cables, and 24 V DC control wiring connections. While the DRIVE-CLiQ connection allows automatic hardware recognition, engineers must ensure the replacement module's topology position matches the saved project configuration in the central S120 Control Unit before restoring operational power.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| F30001 | Power unit: Overcurrent | The maximum output current limit of the power unit was exceeded. | Short circuit or ground fault on motor cable, incorrect motor parameterization, sudden mechanical overload. | Inspect motor and wiring for short circuit or ground fault, verify motor configuration, check mechanical load. |
| F30002 | Power unit: DC link overvoltage | The DC link voltage exceeded the maximum allowable threshold. | Excessive regenerative energy from motor deceleration, line voltage spike, defective braking resistor or braking module. | Check line voltage, extend deceleration ramp times, inspect braking module and resistor. |
| F30003 | Power unit: DC link undervoltage | The DC link voltage fell below the minimum operating threshold. | Main power failure, line supply interrupt, precharging fault in line module. | Verify line power supply and DC bus bar connections. |
| F30004 | Power unit: Overtemperature heat sink | The power unit heat sink temperature exceeded the trip limit. | Inadequate air cooling, built-in fan failure, high ambient temperature, continuous overload condition. | Clean cooling air ducts, verify internal fan operation, lower ambient cabinet temperature. |
| F30005 | Power unit: Overload I2t | The power unit I2t thermal load counter reached its trip limit. | Continuous operation above rated continuous output current (60 A). | Reduce duty cycle or continuous motor load; verify proper drive sizing. |
Frequently Asked Questions
What software is used to commission the 6SL3120-1TE26-0AA3?
Commissioning and parameter setup are performed using Siemens STARTER software or SINAMICS Startdrive V15+ integrated into the TIA Portal framework.
How does the DRIVE-CLiQ interface function on this module?
DRIVE-CLiQ is a high-speed serial communication bus that connects the motor module to an S120 Control Unit, automatically transferring electronic rating plate data, motor feedback, and diagnostic logs.
What are the primary input and output electrical ratings?
The module requires a rated input of 600 V DC (operating range 510 to 720 V DC) and provides a 3-phase 400 V AC output rated at 60 A continuous current with a frequency range of 0 to 650 Hz.
What does a red RDY / RUN LED indicate on the module?
A solid or flashing red RDY / RUN LED indicates an internal hardware fault, an active drive error, or a missing operational enable signal.
Is the 6SL3120-1TE26-0AA3 a simple plug-and-play replacement?
Although DRIVE-CLiQ detects the module automatically, replacement requires project topology alignment and parameter verification in the Control Unit using STARTER or Startdrive software before resuming operation.
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Disclaimer:
We are not an authorised distributor of Siemens.
Product photos are for illustration purposes only and may differ from the actual product delivered.
Some of the content on this page was created with the help of AI. While we strive to provide accurate and up-to-date information, errors may occur.