Drive Control Solution – SIEMENS CU310-2PN 6SL3040-1LA01-0AA0 | SINAMICS S120
Where This Product Is Used
The SIEMENS CU310-2PN (6SL3040-1LA01-0AA0) is a single-axis Control Unit from the SINAMICS S120 series, engineered for high-precision drive control in demanding industrial environments. Engineers specify this module across the following application domains:
- CNC Machine Tools – Spindle and feed-axis control in milling centers, lathes, and grinding machines requiring sub-millisecond cycle times.
- Packaging Machinery – Servo-driven film-feed, sealing, and cutting axes where synchronization accuracy is critical.
- Printing & Converting Lines – Register control and tension management on web-fed presses and slitters.
- Material Handling & Conveyors – Variable-speed conveyor drives integrated into PROFINET-based plant networks.
- Textile & Winding Equipment – Torque-controlled winding axes with real-time fieldbus feedback.
- Automotive Assembly Lines – Coordinated multi-axis motion integrated with SIMATIC S7 PLCs via PROFINET IRT.
Technical Specifications
| Part Number (MLFB) | 6SL3040-1LA01-0AA0 |
| Model | CU310-2PN |
| Series | SINAMICS S120 |
| Manufacturer | SIEMENS AG |
| Function | Single-Axis Control Unit |
| Fieldbus Interface | PROFINET IO (2-port integrated switch) |
| Encoder Interfaces | HTL/TTL incremental, SSI, EnDat 2.1/2.2, DRIVE-CLiQ |
| Digital Inputs | 12 × DI (24 V DC) |
| Digital Outputs | 8 × DO (24 V DC, 0.5 A) |
| Analog Inputs | 2 × AI (±10 V / 0–20 mA) |
| Analog Outputs | 2 × AO (±10 V) |
| Supply Voltage | 24 V DC (via SINAMICS S120 booksize power supply) |
| Communication Protocol | PROFIdrive, PROFIsafe (optional) |
| Safety Functions | STO, SS1, SLS, SDI (with Safety license) |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | -40 °C to +70 °C |
| Protection Class | IP20 |
| Mounting | Booksize format, DIN rail / panel mount |
| Weight | Approx. 1.0 kg |
| Country of Origin | Germany |
| HS Code | 8537.10 |
Why Engineers Specify This Model
- PROFINET IRT Support – Isochronous Real-Time communication enables deterministic cycle times down to 250 µs, essential for high-speed CNC and servo applications.
- Integrated DRIVE-CLiQ – Plug-and-play topology recognition with SIEMENS motors and encoders eliminates manual parameter entry and reduces commissioning time.
- Scalable Safety – Optional PROFIsafe license unlocks STO/SS1/SLS/SDI without external safety relays, reducing panel footprint and wiring cost.
- Compact Booksize Form Factor – Designed for high-density panel builds alongside SINAMICS S120 Motor Modules and Line Modules.
- STARTER / SINAMICS Startdrive Compatible – Full support for SIEMENS commissioning tools with automatic drive object detection.
Complete System Bill of Materials
The CU310-2PN is typically deployed as part of a complete SINAMICS S120 booksize drive system. A representative BOM includes:
- 6SL3040-1LA01-0AA0 – CU310-2PN Control Unit (this item)
- 6SL3130-6AE21-0AB0 – Smart Line Module (SLM) 16 kW
- 6SL3120-1TE21-0AA3 – Single Motor Module 9 A
- 6SL3055-0AA00-4CA0 – DRIVE-CLiQ Hub Module DMC20
- 6FX2002-1DC00-0AA0 – DRIVE-CLiQ Cable (0.35 m)
- 6SL3260-0AA00-0VA0 – Voltage Sensing Module VSM10
- 6SL3055-0AA00-3AA0 – Terminal Module TM31
Contact Konmask for complete system configuration and compatibility verification.
Compliance & Industry Standards
- CE Marking – EU Low Voltage Directive 2014/35/EU & EMC Directive 2014/30/EU
- UL Listed – UL 508C (Power Conversion Equipment)
- cULus – Canadian market compliance
- IEC 61800-5-1 – Adjustable speed electrical power drive systems safety
- IEC 61800-3 – EMC requirements for drive systems
- IEC 62061 / ISO 13849-1 – Functional safety (SIL 2 / PLd with Safety license)
- PROFINET Conformance Class B / C
Quality Assurance & Sourcing
Konmask sources SIEMENS automation components through verified industrial distribution channels. Every unit undergoes the following before dispatch:
- Visual inspection for physical damage, label integrity, and seal verification
- Firmware version check against SIEMENS product lifecycle records
- Packaging inspection to confirm OEM or equivalent protective packaging
- Serial number traceability documentation available on request
We maintain strict anti-counterfeit protocols aligned with SIEMENS partner guidelines. Certificates of conformity and test reports are available for qualified buyers.
How to Source This Part
- In-Stock Orders – Submit your order directly on this page. Standard lead time: 1–3 business days for stocked units.
- Bulk / Project Quotation – Email [email protected] with your project BOM for volume pricing.
- Urgent Requirements – Call or WhatsApp +0086 19859288691 for same-day response on critical spares.
- Export & Cross-Border – We ship globally with full commercial invoice, packing list, and HS code documentation for customs clearance.
Application-Specific FAQ
Q: Can the CU310-2PN replace a CU310-2DP in an existing installation?
A: No. The CU310-2PN uses PROFINET; the CU310-2DP uses PROFIBUS DP. Fieldbus wiring and PLC configuration must be adapted. Contact us for migration support.
Q: Does this unit support multi-axis control?
A: The CU310-2PN is a single-axis control unit. For multi-axis applications, use the CU320-2PN (6SL3040-1MA01-0AA0) which supports up to 6 axes.
Q: Is a Safety license included?
A: The base unit supports STO hardware-level safety. Extended safety functions (SS1, SLS, SDI, SBC) require a separate Safety Integrated license (6SL3074-0AA01-0AA0).
Q: What SINAMICS firmware version is compatible?
A: Firmware V4.7 SP9 and above is recommended. Always verify compatibility with your Motor Module and Line Module firmware using the SIEMENS SIZER or Startdrive tool.
Q: Can this be used with third-party motors?
A: Yes, via the HTL/TTL or SSI encoder interface. DRIVE-CLiQ auto-identification is only available with SIEMENS SIMOTICS motors.
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Contact: [email protected] | +0086 19859288691
