Siemens 6SL3120-2TE15-0AA4 Motor Module

6SL3120-2TE15-0AA4 — Two Axes Down, Clock Running: Get This Module on Your Floor Before the Next Shift

You’re not browsing. You’re troubleshooting. The SINAMICS S120 booksize rack has gone dark on one or both axes, the CU320-2 is throwing faults you’ve already traced past the line module and the DC bus, and the finger is pointing squarely at the Double Motor Module. Every hour this stays unresolved is money — scrap, penalties, idle labor, and a plant manager asking questions you don’t want to answer.

The 6SL3120-2TE15-0AA4 is a dual-axis booksize Motor Module rated at 5 A continuous per axis, designed for the SINAMICS S120 platform. It handles independent PWM output to two separate motors from a single booksize slot, communicates via DRIVE-CLiQ, and integrates STO safety functions through the CU or TM54F. When it fails — and under sustained load cycles, vibration, or a DC bus transient, it does fail — there is no field repair. You need a replacement unit, verified original, firmware-compatible, and in your hands fast.

We carry stock in Xiamen. Same-day dispatch is standard for orders confirmed before 14:00 CST. DHL Express or FedEx Priority, door to door, with full customs documentation pre-prepared.

URGENT REQUIREMENT? Contact: [email protected] | WhatsApp: +86 18359268345

Quick Technical Datasheet

Troubleshooting & Replacement Tips

Field experience on SINAMICS S120 booksize systems narrows the failure signature of the 6SL3120-2TE15-0AA4 to a predictable set of fault codes and a specific swap procedure. Here is what actually matters when you’re standing in front of the cabinet.

Fault codes that point to this module:

• F30015 / A30016 — Power unit hardware fault. The IGBT gate driver has failed or a DC bus transient has damaged the power stage. If the ALM is healthy, the DC bus voltage is stable, and the fault returns immediately after acknowledgment, the motor module is the source. Do not waste time cycling power repeatedly — you will not clear a hardware fault by resetting it.
• F07801 — Motor module communication fault; DRIVE-CLiQ topology interrupted. First action: inspect the CLiQ cable connectors at X200 and X201 for bent pins or partial seating. If the cables are intact and the fault persists, the CLiQ interface on the module itself has failed. Replacement is the only resolution.
• F30021 — Phase current actual value fault. One or both output phases reading zero or erratic. The internal current transducer has failed. This is not a wiring fault — confirm by checking motor terminal resistance before condemning the module, but if the motor checks out, the module goes.
• F30052 — Temperature sensor fault. The NTC thermistor circuit is open. Measure resistance across the NTC pins on the module connector: open circuit confirms a PCB-level crack, typically caused by vibration fatigue. Module must be replaced.
• F01910 — Component not supported. This appears after a swap when the replacement module’s firmware version is incompatible with the CU firmware. See firmware matching notes below.

Replacement procedure — step by step:

1. Lock out and tag out the incoming supply. Measure DC bus voltage at the busbars with a calibrated meter before touching any connection. Wait for bus voltage to drop below 50 V DC — the bus capacitors hold charge after power-off and will not discharge instantly.
2. In STARTER or Startdrive, navigate to the drive object, open Device → Properties → Firmware, and record the firmware version of both the CU and the existing motor module. You will need this to verify the replacement unit.
3. Export the complete drive project: File → Save As, with a timestamp in the filename. This is your recovery point if the topology import fails after the swap.
4. Disconnect DRIVE-CLiQ cables from X200 and X201. Label each cable with its port designation — DRIVE-CLiQ topology is position-sensitive and reconnecting in the wrong order will cause a topology mismatch fault on startup.
5. Disconnect motor power cables (U2/V2/W2 for axis 1, U3/V3/W3 for axis 2) and the DC bus busbars (P600/M600). The busbar clips on the 6SL3120-2TE15-0AA4 require firm lateral pressure to release — do not pry.
6. Release the module from the booksize rail using the top-mounted locking lever. Slide the module toward the line module side to disengage the rail guides.
7. Before installing the replacement: verify the firmware version label on the new unit. CU firmware ≥ V4.7 requires motor module firmware ≥ V4.7. A mismatch produces F01910 on first power-up. If you need a firmware-matched unit, specify your CU firmware version when ordering — we can supply accordingly.
8. Slide the replacement onto the rail, confirm the DC busbar clips seat with an audible click on both P600 and M600. A partial busbar connection is the most common cause of F30015 recurring after a swap. Reconnect motor cables and DRIVE-CLiQ in original port order.
9. Power up. The CU will detect the new module via DRIVE-CLiQ and prompt for topology confirmation. Accept. If the order number matches the replaced unit, parameter sets transfer automatically. If not, restore from the saved project file.
10. Execute motor identification on both axes: set p1910 = 1 for each drive object and run the ID sequence before returning to production. Skipping this step causes torque ripple and current loop instability that will be misdiagnosed as a mechanical problem.

Configuration notes specific to this hardware:

• The 6SL3120-2TE15-0AA4 has no DIP switches or rotary address selectors. Axis addressing is handled entirely through DRIVE-CLiQ topology and CU parameter assignment. No physical configuration is required on the module itself.
• When replacing a -0AA3 revision with a -0AA4, verify p0108 (drive object type) and p0300 (motor type) after the swap. The CU may retain parameters from the previous hardware revision that conflict with the new unit’s capability set.
• STO wiring: if your system uses hardwired STO via the EP terminals (EP+/EP-), re-terminate these connections carefully after the swap. A missing EP+ signal holds the module in STO state permanently — the drive will not enable, and this is routinely misdiagnosed as a module fault or a CU parameter issue.

Reliability in Harsh Conditions

The 6SL3120-2TE15-0AA4 is not designed for a climate-controlled server room. It is designed for the inside of a machine cabinet in a production environment — where ambient temperature climbs through the afternoon, coolant mist gets into enclosure gaps, and the floor vibrates from presses or conveyors running two meters away.

The power stage uses Siemens-qualified IGBTs with gate drivers rated for continuous operation at 40 °C ambient, with published derating curves extending to 55 °C. The internal forced-air cooling channel moves air bottom-to-top through a dedicated thermal path, maintaining heatsink temperatures below critical junction limits even during sustained peak current demand. For installations where ambient regularly exceeds 40 °C — foundries, outdoor enclosures in tropical climates, furnace-adjacent cabinets — the derating table in the SINAMICS S120 Booksize Power Units Manual (Chapter 4) gives you the safe continuous output current without guesswork.

Vibration and shock performance is validated to IEC 60068-2-6 (sinusoidal vibration, 10–500 Hz, 1g) and IEC 60068-2-27 (shock, 15g over 11 ms half-sine). PCB assemblies carry conformal coating to IEC 60721-3-3 Class 3C2, providing resistance to industrial chemical atmospheres including cutting fluid aerosols and mild solvent vapors. Damp heat cycling compliance per IEC 60068-2-30 means the module handles the condensation cycles that occur when a machine is shut down cold overnight and restarted in a warm, humid morning shift — a failure mode that kills uncoated electronics within months in coastal manufacturing facilities.

EMC compliance to EN 61800-3 Category C2 (CE marked) ensures the module does not introduce conducted or radiated interference into adjacent control circuits. In mixed-signal cabinets where PLC analog I/O and servo drives share the same enclosure, this matters — a non-compliant drive module can corrupt encoder signals and analog references in ways that are extremely difficult to trace.

Global Express Logistics

Our warehouse operates from Xiamen, Fujian Province — a deliberate choice. Xiamen Gaoqi International Airport handles direct cargo flights to Frankfurt, Amsterdam, Dubai, Singapore, and Los Angeles. Xiamen Port provides sea freight backup for non-urgent bulk orders. For emergency replacement parts, air freight is the only option that makes sense, and our location gives us access to the best-connected cargo routes out of southern China.

Dispatch and transit:

• Orders confirmed before 14:00 CST ship the same day. Orders received after 14:00 CST ship the following morning. No exceptions, no queues.
• DHL Express Worldwide: 2–4 business days to Europe, 3–5 days to North America, 1–3 days to Southeast Asia and the Middle East.
• FedEx International Priority: comparable transit with alternative routing for destinations where DHL network coverage is limited or subject to delays.
• For next-flight-out requirements — when hours matter, not days — contact us directly. We can arrange hand-carry courier to major hub airports for the most time-critical situations.

Documentation included with every shipment: commercial invoice, detailed packing list, certificate of origin (China), and HS code 8537.10 pre-declared on all air waybills to minimize customs hold risk. For customers requiring GSP Form A, EUR.1 movement certificates, or specific import documentation for their country’s customs authority, notify us at order time and we will prepare accordingly.

Packaging standard: The 6SL3120-2TE15-0AA4 ships in ESD-safe polyethylene bag, inside anti-static foam-lined double-wall corrugated carton, with rigid corner protectors on the DC bus connector face. Packaging is validated to ISTA 2A drop-test standards. The unit arrives ready to install — not ready to inspect for transit damage.

Tracking numbers are issued via email within 2 hours of carrier pickup. We provide proforma invoices for advance payment processing and formal commercial invoices for customs clearance. If your accounts payable team needs specific invoice formats or PO references, let us know before dispatch.

Contact Information

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