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- Siemens
- 6AG1543-1AX00-2XE0
- Communication Processor
- Germany
- 35 × 142 × 129 mm
- 0.35 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Siemens 6AG1543-1AX00-2XE0 is a SIPLUS NET CP 1543-1 communication processor for Siemens S7-1500 automation systems. It is used to extend the controller station with dedicated industrial Ethernet communication functions and to connect the PLC to higher-level systems, other automation stations, and Ethernet-based industrial devices.
The CP 1543-1 operates as a separate communication processor within the S7-1500 architecture. Instead of placing all communication tasks on the CPU’s integrated interfaces, the communication processor provides a dedicated network connection for applications that require additional Ethernet connectivity or separation of communication functions.
In a typical automation installation, the module can be used to establish communication between an S7-1500 controller and supervisory systems, other PLC stations, engineering infrastructure, or industrial Ethernet networks. It is also relevant to modernization projects where a SIPLUS S7-1500 controller must communicate with existing Ethernet-based automation equipment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Model | 6AG1543-1AX00-2XE0 |
| Product Type | Communication Processor |
| Product Family | SIPLUS NET |
| Series | CP 1543-1 |
| Controller Platform | S7-1500 |
| Communication Technology | Industrial Ethernet |
| System Role | Network Communication Processor |
| Primary Function | Ethernet-Based Data Communication |
| System Integration | Siemens S7-1500 Automation System |
| Communication Application | PLC, Automation and Higher-Level System Communication |
| Module Architecture | Dedicated Communication Processor |
| Installation | S7-1500 Station |
| Dimensions | 35 × 142 × 129 mm |
| Weight | 0.35 kg |
Product Features
- SIPLUS NET communication processor for Siemens S7-1500 automation systems.
- Provides dedicated Industrial Ethernet communication for the controller station.
- Separates additional network communication tasks from the main CPU processing function.
- Suitable for communication with other automation stations and Ethernet-based industrial systems.
- Supports integration of S7-1500 controllers into broader industrial communication architectures.
- Useful for applications requiring an additional Ethernet communication interface.
- Suitable for control-system modernization and network expansion projects.
- SIPLUS hardware is intended for industrial applications requiring enhanced environmental suitability.
Working Principle
The 6AG1543-1AX00-2XE0 functions as a dedicated communication processor between the S7-1500 station and the Industrial Ethernet network. The S7-1500 CPU exchanges communication data with the CP through the station’s internal architecture, while the communication processor handles the external network connection.
For incoming communication, data arriving from an external Ethernet-connected system is received by the CP 1543-1. The processor transfers the relevant communication data to the S7-1500 system, where the PLC application can use it for control, monitoring, data collection, or coordination with other automation equipment.
Ethernet Network → CP 1543-1 → S7-1500 Station → CPU / PLC Program
For outgoing communication, the PLC application supplies the required data to the communication processor. The CP then handles transmission through the Industrial Ethernet connection toward the destination system or device.
This architecture is useful when network communication needs to be handled through a dedicated processor rather than relying solely on the controller’s integrated communication resources. The actual communication services and configuration depend on the S7-1500 project and the connected network architecture.
Role in a Siemens S7-1500 Industrial Ethernet Control Architecture
The 6AG1543-1AX00-2XE0 occupies the dedicated network communication layer of the S7-1500 control system. It connects the PLC station to external Industrial Ethernet infrastructure while the CPU continues to execute the application program and control logic.
| System Layer | Typical Component | Function |
|---|---|---|
| Process Control | S7-1500 CPU | Executes PLC logic, sequencing, and control functions |
| Network Communication | 6AG1543-1AX00-2XE0 | Handles dedicated Industrial Ethernet communication |
| Internal Station | S7-1500 Backplane | Provides communication between the CPU and installed modules |
| Industrial Network | Ethernet Infrastructure | Connects the PLC with external automation and information systems |
| Automation Interface | Other PLCs / Controllers | Exchanges control and operational data |
| Supervisory Layer | SCADA / HMI / Higher-Level Systems | Provides monitoring, data acquisition, or supervisory functions |
| Field / Equipment Layer | Industrial Devices | Supplies operational data or receives control-related information |
Industrial Applications
| Application | Communication Role |
|---|---|
| Factory Automation | Connects S7-1500 control stations to Industrial Ethernet networks |
| Process Automation | Supports communication between PLC systems and supervisory or automation equipment |
| Production Lines | Exchanges production and machine data between control stations |
| SCADA Integration | Provides an Ethernet communication path between the PLC architecture and supervisory systems |
| PLC-to-PLC Communication | Supports data exchange between compatible automation stations |
| System Networking | Adds dedicated Ethernet communication capability to an S7-1500 station |
| Control System Modernization | Integrates existing Ethernet-based equipment with updated S7-1500 control hardware |
| Industrial Data Exchange | Provides a dedicated communication processor for automation-related network traffic |
Installation and Maintenance
- Confirm that the 6AG1543-1AX00-2XE0 is suitable for the intended S7-1500 communication architecture before installation.
- Review the network design and identify the Ethernet systems or automation stations that will communicate through the processor.
- Isolate the relevant control cabinet section according to the plant’s electrical safety procedure.
- Inspect the communication processor and interface areas for visible damage or contamination.
- Install the module in the appropriate S7-1500 station position.
- Ensure the processor is properly seated and mechanically secured within the station.
- Connect the Industrial Ethernet network according to the approved network and electrical documentation.
- Verify the network configuration, addressing, and communication parameters in the engineering project.
- Download or apply the approved configuration to the S7-1500 station as required by the commissioning procedure.
- Check module diagnostics and network status after energizing the system.
- Verify communication with the connected automation or supervisory systems and investigate any diagnostic faults.
- Record the module identification, network configuration, connected systems, and maintenance information for future service work.
Related Components
| Component | Function in the System |
|---|---|
| Siemens S7-1500 CPU | Executes the main PLC application and control logic |
| SIPLUS S7-1500 I/O Modules | Interface with local process signals and field devices |
| S7-1500 Backplane | Provides the internal station connection between modules |
| Industrial Ethernet Network | Provides the external communication infrastructure |
| Industrial Ethernet Switch | Connects multiple networked automation devices where required |
| SCADA / HMI System | Provides supervisory monitoring and operational data functions |
| Other PLC / Controller | Exchanges automation data with the S7-1500 system |
| TIA Portal | Used for hardware configuration, programming, and diagnostics |
Recommended Related Models
| Model | Product Type | Typical Relationship |
|---|---|---|
| Siemens 6AG1542-5DX00-7XE0 | SIPLUS S7-1500 PROFIBUS Communication Module | Related S7-1500 fieldbus communication solution |
| Siemens 6AG1541-1AD00-7AB0 | SIPLUS S7-1500 Communication Module | Related communication module for external device integration |
| Siemens 6AG1541-1AB00-7AB0 | SIPLUS S7-1500 Communication Module | Related communication module within the same platform |
| Siemens 6AG1540-1AB00-7AA0 | SIPLUS S7-1500 Communication Module | Related serial communication solution |
| Siemens S7-1500 Communication Modules | Communication Module Family | Associated communication hardware for the S7-1500 platform |
Key Advantages
- Adds dedicated Industrial Ethernet communication capability to an S7-1500 station.
- Provides a separate communication processor for network-related tasks.
- Supports integration with broader industrial Ethernet architectures.
- Suitable for PLC-to-PLC, supervisory, and automation system communication.
- Useful for network expansion and modernization of S7-1500 control systems.
- Fits the modular communication architecture of Siemens SIPLUS S7-1500 installations.
Technical FAQs
What is the function of the 6AG1543-1AX00-2XE0?
The module is a SIPLUS NET CP 1543-1 communication processor for S7-1500 systems. Its primary role is to provide dedicated Industrial Ethernet communication between the S7-1500 station and external networked automation systems.
How does a communication processor differ from an S7-1500 CPU?
The CPU executes the PLC application and control logic, while the communication processor is dedicated to network communication functions. The two work together through the S7-1500 station architecture.
Where can the CP 1543-1 be used in an automation network?
It can be used wherever an S7-1500 station needs dedicated Ethernet communication with compatible automation equipment, other controllers, or higher-level systems. The exact communication service depends on the project configuration and connected devices.
What should be checked when Ethernet communication is interrupted?
Check the module installation, Ethernet connection, network infrastructure, configured addressing, hardware configuration, and diagnostic information. The communication settings of the connected system should also be compared with the S7-1500 project configuration.