Siemens 6AU1445-2AD00-0AA0 Control Unit

The Siemens 6AU1445-2AD00-0AA0 is a SIMOTION D-series drive-type high-performance motion control unit (Model: D445-2 DP/PN). It is integrated into the SINAMICS S120 drive system and designed for high-precision multi-axis motion control applications. It can control up to 64 motion axes and delivers high-speed real-time communication and processing capabilities.

1. General Information & Product Positioning

2. Core Technical Parameters

3. Interface Specifications & Configuration

3.1 Digital I/O Interfaces

3.2 Communication Interfaces

3.3 Other Interfaces

4. Hardware Configuration & Features
5. Core Hardware

Quad-core high-performance processor for multi-task parallel processing

4 GB large-capacity RAM to support complex motion control algorithms

Dual built-in fan cooling system ensures stable operation under high load

Integrated battery module to protect data and clock during power failure

2. Mechanical Design

Book-style design for standard control cabinet mounting

Dimensions: 380 mm (H) × 50 mm (W) × 270 mm (D)

Industrial-grade anti-interference structure for harsh environments

3. Software Support

Compatible with SIMOTION Scout and TIA Portal programming environments

Compliant with IEC 61131-3 standard programming languages (LD, FBD, ST, IL, SFC)

Supports motion control function blocks (MC_Basic, MC_Advanced, etc.)

Optional Safety Integrated safety functions

5. Functional Advantages
6. High-Performance Multi-Axis Control

Controls up to 64 axes for complex multi-axis synchronous motion

0.25 ms ultra-short servo cycle for high-precision positioning

Supports electronic gear, electronic cam, interpolation and advanced motion functions

2. High-Speed Real-Time Communication

3 PROFINET ports with IRT synchronization for seamless PLC and motion integration

6 DRIVE‑CLiQ ports for high-speed drive connection and short cycle communication

PROFIBUS-DP compatible with traditional industrial bus systems

3. Flexible Expansion

1 option slot for extended communication modules (PROFIBUS, PROFINET, EtherCAT, etc.)

Supports remote I/O expansion up to 256 points

Fully compatible with the full SINAMICS S120 drive series for various power ranges

4. High Reliability

Dual redundant fan design improves system stability

Built-in battery prevents data loss after power failure

Wide-temperature industrial design adapts to harsh workshop conditions

6. Application Fields

The Siemens 6AU1445-2AD00-0AA0 is widely used in high-precision motion control industries:

1. Machine Tools: Multi-axis linkage control for CNC machining centers, lathes and milling machines
2. Packaging Machinery: Synchronous control for high-speed packaging lines, labeling machines and filling equipment
3. Printing Machinery: Register control for web printing and label printing machines
4. Electronics Manufacturing: High-precision positioning for semiconductor equipment, PCB drilling machines and placement machines
5. Automation Lines: Coordinated motion control for multi-axis handling robots and assembly lines
6. Plastics Machinery: Precision motion control for injection molding and extrusion machines
7. Replacement & Upgrade Solutions
8. Direct Replacement Model

6AU1445-2AD00-0AA1 (Redesigned Version): fully compatible in mounting, wiring and project data with identical performance

2. Performance Upgrade

6AU1455-2AD00-0AA0 (SIMOTION D455-2 DP/PN): up to 128 axes with approximately 3× overall performance

3. Spare Parts Suggestion

Since the original model is discontinued, prioritize the 0AA1 upgraded replacement version

For new projects, adopt the SIMOTION D4x5-2 redesigned series for long-term technical support

8. Operation & Maintenance Notes
9. Installation Requirements

Install inside a control cabinet with good ventilation, dustproof and moistureproof measures

Reserve sufficient cooling space to ensure normal fan operation

Mount on standard DIN rail and comply with specified bolt torque values

2. Power Configuration

Keep stable input voltage within 20.4~28.8 VDC

Use Siemens SITOP power supplies for enhanced system reliability

Install surge protection at the power input to avoid voltage impact

3. Programming & Commissioning

Program with SIMOTION Scout V5.4 SP3 or higher, or TIA Portal V17 and above

Verify DRIVE‑CLiQ connection and complete drive topology identification before commissioning

Match servo cycle parameters according to actual axis quantity and motion requirements

4. Daily Maintenance

Regularly inspect fan operation and replace worn fans timely

Periodically replace backup batteries to avoid data loss

Regularly back up user programs and system configurations

The Siemens 6AU1445-2AD00-0AA0 (SIMOTION D445-2 DP/PN) is a high-performance drive-type motion control unit. Featuring 64-axis control capability, 0.25 ms minimum servo cycle and comprehensive communication interfaces, it is an ideal solution for complex multi-axis automation systems. Although the original model has been discontinued, the compatible upgraded model 6AU1445-2AD00-0AA1 ensures continuous stable operation and convenient after-sales maintenance.

Complete List of Siemens Control Unit Models (Core Series Summary)

Siemens control units cover two core fields: PLC logic control and motion control, mainly including the SIMATIC S7 series (1200/1500/300/400) and SIMOTION motion control series (D/C/P). Below is the complete model list and key parameters.

1. SIMOTION Motion Control Units (Drive / Compact / Panel Type)

1.1 SIMOTION D Series (Drive-based, for SINAMICS S120)

1.2 SIMOTION C Series (Compact Type, S7-300 Compatible)

1.3 SIMOTION P Series (Panel Type with Integrated HMI)

2. SIMATIC S7-1500 Series (High-End PLC)

2.1 Standard CPU

2.2 F-Safety CPU

3. SIMATIC S7-1200 Series (Compact Mid-Range PLC)

3.1 S7-1200 G2 (New Generation)

3.2 S7-1200 G1 (Classic Version)

4. SIMATIC S7-300 Series (Modular Medium PLC)

5. SIMATIC S7-400 Series (Large-Scale & Redundant PLC)

6. Special Control Units

6.1 ET200 Distributed Controllers

6.2 Independent Safety Controllers

7. Selection Guide

1. Product Lifecycle: Some legacy models are discontinued; please select redesigned versions (e.g., 0AA1 replacement for 0AA0).
2. Software Compatibility: S7-1200/1500 fully supports TIA Portal; SIMOTION supports SIMOTION Scout and TIA Portal.
3. Redundancy Solution: S7-400 410-5H series provides hot redundant control for critical production lines.
4. Expansion Capacity: S7-300/400/1500 support modular expansion; S7-1200 supports signal board expansion.