6AU1435-2AA00-0AA0 6AU14352AA000AA0 SIEMENS 6AU1 435-2AA00-0AA0 Simotion Control Unit

Siemens 6AU1435-2AA00-0AA0 SIMOTION D435-2 DP Motion Controller

Overview

The 6AU1435-2AA00-0AA0 is a SIMOTION D435-2 DP drive-based control unit used as a programmable motion controller in Siemens motion systems.

Public product data identifies it as a STANDARD performance multiple-axis control unit with 12 digital inputs, 16 digital I/O, 6 DRIVE-CLiQ interfaces, 2 PROFIBUS ports, 3 Ethernet ports, 2 USB ports, and 1 option slot.

It is also supplied with a dual fan / battery module and battery, which places it firmly in the motion-control core of a machine rather than in the operator-interface layer.

What makes this model commercially useful is the way it combines controller logic and drive-side motion integration in one compact unit.

In real machine design, that usually means tighter coordination between axis control, drive communication, and cabinet layout than a more separated controller architecture.

The published data also shows a 24 V DC supply range of 20.4 to 28.8 V, which is typical of control hardware intended for industrial automation cabinets rather than standalone desktop control equipment.

Technical Data

Application Value

This unit is best suited to multi-axis motion systems, high-performance automation machinery, packaging equipment, synchronized drive applications, and installed SIMOTION/SINAMICS platforms where the original architecture already depends on a drive-based controller.

Siemens support and catalog material identify it specifically as SIMOTION D435-2 DP, which makes it especially relevant in systems built around coordinated motion and distributed drive integration rather than conventional PLC-only logic control.

It is also practical in lifecycle support.

Because it is sold as a defined SIMOTION control unit rather than as a general industrial computer, replacement buyers are usually trying to preserve the machine’s original control concept, not redesign it.

In maintenance work, that often means exact family continuity is more valuable than broader functional similarity. 

This is an engineering inference based on the product’s specific SIMOTION D435-2 DP identity and interface structure.

Replacement and Selection Perspective

For replacement work, the 6AU1435-2AA00-0AA0 should be matched by motion-control family, interface layout, supply range, and machine architecture, not just by brand.

In practical terms, the number of DRIVE-CLiQ ports, PROFIBUS ports, Ethernet interfaces, and the cabinet’s 24 V DC control environment all influence whether the replacement will fit and behave as expected.

That is why this unit is normally sourced by exact part number rather than by generic description. 

This is an engineering recommendation based on the published interface set and control-unit identity.

FAQ

Q1: What kind of product is 6AU1435-2AA00-0AA0?
It is a SIMOTION D435-2 DP programmable motion controller, designed as a drive-based control unit for coordinated machine motion.

In practice, it belongs to the motion-control core of the machine rather than to the HMI layer.

Q2: What applications fit it best?
It fits multi-axis automation systems and motion-intensive machinery where synchronized drives and motion control are already part of the installed design.

This follows from its published SIMOTION D435-2 DP identity and interface structure.

Q3: Why do the DRIVE-CLiQ and PROFIBUS interfaces matter so much?
Because they define how the controller interacts with the drive-side hardware and the wider automation network.

In real service work, those ports are part of the machine architecture, so matching them correctly is essential to clean recommissioning.

This is an engineering inference based on the product’s published interface set.

Q4: Why is exact model matching important here?
Because motion controllers are system-specific. Even if another control unit appears similar, the actual interface mix, motion performance class, and cabinet integration can be different enough to affect startup and machine behavior.

This is an engineering inference based on the product’s detailed published interface and system definition.

Q5: What should be checked before ordering?
Check the installed part number, the SIMOTION family used in the machine, the 24 V DC supply environment, and the existing DRIVE-CLiQ / PROFIBUS / Ethernet architecture. Those details usually matter more than physical appearance.