Siemens 6DU2173-1PN00-2AX0 AS3000 / CS3000 CPU Module

Product Overview

The Siemens 6DU2173-1PN00-2AX0 is an AS3000 / CS3000 CPU Module used in Siemens industrial automation and control systems. It functions as a central processing unit responsible for executing control programs, managing system communication, and coordinating automation tasks.

This module belongs to Siemens’ legacy automation/control product family and is commonly used as a spare replacement component for existing industrial systems.

Main Specifications

• Manufacturer: Siemens
• Model: 6DU2173-1PN00-2AX0
• Product Type:
  • CPU Module
  • Control Processor Module
  • Industrial Automation Controller Module
• System Series:
  • Siemens AS3000
  • Siemens CS3000
• Function: Central processing and system control
• Installation: Control system rack mounting
• Application: Industrial automation / process control systems

Technical Functions

The Siemens 6DU2173-1PN00-2AX0 provides:

• Execution of user control programs
• Processing of automation logic
• System data management
• Communication management between control components
• Coordination of connected modules
• Diagnostic and monitoring functions

Working principle:

Field Signals → I/O Modules → CPU Module → Control Logic Processing → Output Commands

Features & Advantages

• Original Siemens industrial control component
• Reliable CPU processing for automation systems
• Designed for continuous industrial operation
• Suitable for legacy system maintenance and repair
• Helps reduce downtime by replacing faulty controller modules
• Compatible with existing AS3000 / CS3000 installations

Applications

Used in:

• Industrial process control systems
• Factory automation equipment
• Production line control
• Power and energy systems
• Large-scale industrial plants

Typical applications:

• Control system upgrades
• Automation system maintenance
• Replacement of discontinued CPU modules

Compatible Equipment

Commonly used with:

• Siemens AS3000 control systems
• Siemens CS3000 control platforms
• Industrial I/O and control racks

Important Notes

• 6DU2173-1PN00-2AX0 is a CPU/control module, not a drive control board.
• Confirm system platform and firmware compatibility before replacement.
• Legacy Siemens modules may require matching configuration software.
• Verify rack type and communication interface before installation.