Siemens 6SL3040-0LA00-0AA1 SINAMICS S120 Control Unit
Warranty: 1 year
Condition : brand new in factory sealed box
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Detail
- Product NameSiemens 6SL3040-0LA00-0AA1 SINAMICS S120 Control Unit
- Item NO.3748493
- Weight1.0000 kg = 2.2046 lb = 35.2740 oz
- CategoryPLC
- BrandSiemens
- Creation Time2026-08-27
6SL3040-0LA00-0AA1
Overview
6SL3040-0LA00-0AA1 is a SINAMICS S120 Control Unit CU310 DP from Siemens, designed for single-axis servo and positioning applications. It features a PROFIBUS DP interface for integration into industrial automation networks.
The control unit operates with a 24 V DC power supply and supports high-performance drive control with integrated Safety Integrated functions. It is designed for modular motion control systems requiring precision, flexibility, and scalability. This model is delivered without a CompactFlash card, which must be ordered separately.
Compared to the earlier version 6SL3040-0LA00-0AA0, this AA1 variant features an additional second temperature channel (T2), which can be connected via the X23 Sub-D socket for KTY or PTC temperature sensors, enabling more comprehensive motor temperature monitoring.
- Siemens SINAMICS S120
- CU310 DP Control Unit
- Part No: 6SL3040-0LA00-0AA1
- 24 V DC supply
- PROFIBUS interface
Specifications
General & performance
| Manufacturer | Siemens |
| Model | 6SL3040-0LA00-0AA1 |
| Product type | CU310 DP Control Unit |
| Series | SINAMICS S120 |
| Supply voltage | 24 V DC |
| Communication interface | PROFIBUS DP |
| DRIVE-CLiQ interfaces | 1 (onboard) |
| CompactFlash card | Not included (must be ordered separately) |
| Temperature channels | 2 (T1 via X120, T2 via X23 Sub-D) |
| Country of origin | Germany |
Interfaces & environment
| PROFIBUS interface | 1 × PROFIBUS DP |
| DRIVE-CLiQ | 1 × socket |
| Temperature sensor input | KTY / PTC (via X23 Sub-D) |
| Operating temperature | 0°C to +40°C |
| Storage temperature | -40°C to +70°C |
| Relative humidity | ≤ 80% (non-condensing) |
| Max altitude | 1000 m (without derating) |
| Mounting | DIN rail / Panel |
| Certifications | CE, UL, RoHS |
| Protection rating | IP20 |
Features
Control & connectivity
- Single-axis control — Optimized for servo and positioning applications requiring high dynamic performance.
- PROFIBUS DP communication — Integrated PROFIBUS interface for seamless integration into distributed control systems.
- DRIVE-CLiQ interface — Enables communication with SINAMICS S120 power modules and other DRIVE-CLiQ components.
Temperature monitoring & functionality
- Dual temperature channels — Two independent temperature channels (T1 via X120, T2 via X23) allow simultaneous monitoring of motor and other drive components.
- Safety Integrated — Supports extended safety functions including STO (Safe Torque Off), SLS, SS1, and SBC.
- CompactFlash card — Firmware and parameters stored on a removable CF card, simplifying module replacement without re-commissioning.
Applications
The SINAMICS S120 CU310 DP is deployed in industrial automation applications requiring single-axis motion control with PROFIBUS connectivity.
Lifecycle
Active available as standard product — fully supported
Product status: The 6SL3040-0LA00-0AA1 remains an active, supported product in Siemens' SINAMICS S120 portfolio. It is the recommended single-axis control unit for applications requiring PROFIBUS DP communication.
Firmware compatibility: This control unit supports firmware version V2.5 SP1 and higher, with enhanced features including the second temperature channel via X23.
Replacement & migration:
- This model is the successor to 6SL3040-0LA00-0AA0, adding a second temperature channel and improved firmware support.
- When replacing an AA0 version, ensure the CF card is transferred to the new unit. The AA1 version supports additional features with compatible firmware.
- For new installations, the CU310 DP remains a recommended solution for single-axis PROFIBUS-controlled applications.
Recommendation: For single-axis PROFIBUS DP applications, the 6SL3040-0LA00-0AA1 remains the recommended control unit solution.
FAQ – Frequently Asked Questions
6SL3040-0LA00-0AA1 is the upgraded version of the CU310 DP, featuring an additional second temperature channel (T2) via the X23 Sub-D socket, which allows simultaneous monitoring of two temperature sensors (e.g., motor and drive). The AA0 version only has one temperature channel.
No. The control unit is delivered without a CF card . The CF card must be ordered separately and contains the firmware and parameter settings required for operation.
It provides PROFIBUS DP for communication with the higher-level control system, and one DRIVE-CLiQ interface for connecting to SINAMICS S120 power modules and other DRIVE-CLiQ components.
The second temperature channel (T2) is available from firmware version V2.5 SP1 onward. Earlier firmware versions may not support this feature.
The CU310 DP is designed as a single-axis control unit. For multi-axis applications, Siemens recommends the CU320-2 control unit (6SL3040-1MA00-0AA0 for DP or 6SL3040-1MA01-0AA0 for PN).
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