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Siemens 6SL3040-0LA01-0AA1 SINAMICS S120 CU310 PN Control Unit

Siemens 6SL3040-0LA01-0AA1 SINAMICS S120 CU310 PN Control Unit

Item NO.: 3748500

Warranty: 1 year 


Condition : brand new in factory sealed box


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Detail

  • Product NameSiemens 6SL3040-0LA01-0AA1 SINAMICS S120 CU310 PN Control Unit
  • Item NO.3748500
  • Weight0.9400 kg = 2.0723 lb = 33.1575 oz
  • CategoryPLC
  • BrandSiemens
  • Creation Time2026-08-27
Siemens 6SL3040-0LA01-0AA1 | SINAMICS S120 CU310 PN

Overview

6SL3040-0LA01-0AA1 is a SINAMICS S120 Control Unit CU310 PN from Siemens, designed for single-axis servo and positioning applications. It features a PROFINET 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. This model is delivered without a CompactFlash card, which must be ordered separately.

The product is classified as PM410 (Spare Part Status), meaning it is no longer in active production and is only available as a spare part. It was cancelled as a standard product in 2013.

SINAMICS S120 CU310 PN PROFINET Single-Axis Safety Integrated
Key details
  • Siemens SINAMICS S120
  • CU310 PN Control Unit
  • Part No: 6SL3040-0LA01-0AA1
  • 24 V DC supply
  • PM410: Spare part only

Specifications

General & performance

Manufacturer Siemens
Model 6SL3040-0LA01-0AA1
Product type CU310 PN Control Unit
Series SINAMICS S120
Supply voltage 24 V DC
Communication interface PROFINET
PROFINET ports 2 (integrated switch)
DRIVE-CLiQ interfaces 1
CompactFlash card Not included (must be ordered separately)
Digital inputs 4 (configurable)
Digital I/O 4
Encoder interface TTL/HTL incremental / SSI
Temperature sensor input 1 (KTY84-130 or PTC)
Country of origin Germany

Interfaces & environment

PROFINET protocol RT / IRT (min send cycle 500 µs)
PROFINET device PROFINET IO Device
DRIVE-CLiQ 1 × socket
RS232C interface 1
BOP20 interface 1
Firmware support V2.5 SP1 and higher
Operating temperature 0°C to +40°C
Protection rating IP20
Product lifecycle PM410 (Spare Part)
Note: The CF card contains firmware and parameters and is essential for operation. This product is only available as a spare part.

Features

Control & connectivity

  • Single-axis control — Optimized for servo and positioning applications requiring high dynamic performance.
  • PROFINET communication — Integrated PROFINET interface with IRT support for real-time communication (min send cycle 500 µs).
  • Integrated 2-port switch — Built-in switch (based on ERTEC ASIC) enables flexible network topologies without external switches.

Functionality & safety

  • Encoder evaluation — Supports incremental (TTL/HTL) and SSI absolute encoders.
  • 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 PN is deployed in industrial automation applications requiring single-axis motion control with PROFINET connectivity.

Packaging machinery
Textile machinery
Conveyor systems
Machine tools
Robotics & handling
Printing & paper
Wood & plastics processing
General motion control
Typical industries: Packaging, textile, machine building, automotive, and general industrial automation requiring single-axis servo control with PROFINET connectivity.
Key applications: The CU310 PN is ideal for single-axis positioning tasks, speed control, and torque control with integrated safety functions.

Lifecycle

PM410 Spare Part only — no longer in active production

Product status: The 6SL3040-0LA01-0AA1 has been classified as PM410 (Spare Part Status) by Siemens. It was cancelled as a standard product in 2013.

Spare parts availability: This product is only available as a spare part. For new installations, Siemens recommends migrating to the current SINAMICS S210 or G220 platforms.

Replacement & migration:

Migration considerations: When replacing a 6SL3040-0LA01-0AA1, consider the following:
  • This product is no longer in active production and only available as a spare part.
  • The successor for this product is 6SL3040-0LA01-0AA1 itself, but only as a spare part (the AA1 version replaced the AA0 version).
  • For new installations, Siemens recommends migrating to the SINAMICS S210 or SINAMICS G220 platforms for long-term availability.
  • For systems requiring continued S120 operation, spare units may be available through Siemens support channels.

Recommendation: For existing systems using this control unit, procure spare units while available. For new installations, migrate to the current SINAMICS S210 or G220 portfolio.

FAQ – Frequently Asked Questions

Q1: What is the difference between 6SL3040-0LA01-0AA1 and 6SL3040-0LA01-0AA0?

6SL3040-0LA01-0AA1 is the newer version of the CU310 PN. The AA1 version is the spare part replacement for the AA0 version. Both are PROFINET versions. The AA1 variant was available from 2013 onward.

Q2: Does the 6SL3040-0LA01-0AA1 include a CompactFlash card?

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.

Q3: What communication interfaces does the CU310 PN provide?

It provides PROFINET with 2 integrated switch ports (RJ45) 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.

Q4: What is the minimum firmware version supported?

The 6SL3040-0LA01-0AA1 is supported from firmware version V2.5 SP1 and higher.

Q5: Is the 6SL3040-0LA01-0AA1 still in production?

No. The product has been classified as PM410 (Spare Part Status) by Siemens. It is no longer in active production and only available as a spare part for existing systems.

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