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- Siemens
- 6AG1155-6AU01-2CN0
- Interface Module
- Germany
- 50 × 117 × 74 mm
- 0.12 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Siemens 6AG1155-6AU01-2CN0 Interface Module is a high-reliability SIPLUS ET 200SP PROFINET Interface Module engineered for distributed industrial automation systems operating in harsh environments. Based on the proven SIMATIC ET 200SP platform, this module functions as the communication gateway between Siemens SIMATIC PLC controllers and ET 200SP distributed I/O stations, ensuring deterministic real-time data exchange, reliable network communication, and advanced system diagnostics.
As a member of the SIPLUS product family, the 6AG1155-6AU01-2CN0 incorporates conformal-coated electronic circuitry, providing enhanced protection against moisture, condensation, corrosive gases, dust, vibration, and extended operating temperatures. This rugged design makes the module suitable for continuous operation in manufacturing plants, process industries, energy facilities, transportation systems, marine installations, and outdoor automation applications.
The interface module supports PROFINET IO communication and manages cyclic process data, acyclic parameter communication, diagnostics, synchronization, and engineering functions between the PLC and distributed field devices. Its integrated Ethernet switch enables flexible network topologies while simplifying wiring and reducing installation costs.
With compact dimensions of 50 × 117 × 74 mm and a lightweight design of approximately 0.12 kg, the 6AG1155-6AU01-2CN0 is ideal for installation in compact control cabinets where communication performance, reliability, and efficient space utilization are critical.
Typical applications include factory automation, packaging systems, robotics, water treatment plants, pharmaceutical production, food and beverage processing, logistics systems, energy distribution, and OEM machinery.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6AG1155-6AU01-2CN0 |
| Product Family | SIPLUS ET 200SP |
| Product Type | Interface Module |
| Communication Protocol | PROFINET IO |
| Primary Function | Distributed I/O Communication |
| Ethernet Interface | Industrial Ethernet |
| Ethernet Ports | Integrated 2-Port Switch |
| Communication Speed | 10/100 Mbps |
| Supported Network Topologies | Line, Star, Ring (MRP) |
| Diagnostic Functions | Integrated System Diagnostics |
| LED Indicators | RUN, ERROR, LINK, ACT, MAINT |
| Installation | ET 200SP Base Unit |
| Mounting Method | DIN Rail Installation |
| Protection | SIPLUS Conformal Coating |
| Dimensions | 50 × 117 × 74 mm |
| Weight | Approximately 0.12 kg |
| Typical Application | Distributed Industrial Automation |
Function and Working Principle
The Siemens 6AG1155-6AU01-2CN0 serves as the communication interface between a SIMATIC PLC and distributed ET 200SP I/O modules through a PROFINET Industrial Ethernet network.
Typical Automation Architecture
SIMATIC S7-1500 PLC
↓
Industrial Ethernet (PROFINET)
↓
6AG1155-6AU01-2CN0 Interface Module
↓
ET 200SP I/O Modules
↓
Sensors and Actuators
During operation, the interface module performs the following functions:
- Establishes deterministic PROFINET communication
- Transfers cyclic process data
- Supports acyclic parameter communication
- Synchronizes distributed field devices
- Monitors communication status
- Generates diagnostic information
- Supports engineering and maintenance functions
- Improves overall system availability
By continuously exchanging real-time process information and monitoring network performance, the module ensures stable communication between controllers and field devices.
Role in Industrial Control Systems
Within a distributed automation architecture, the 6AG1155-6AU01-2CN0 functions as the communication gateway linking the central PLC with remote ET 200SP stations.
Its primary responsibilities include:
- PROFINET communication management
- Distributed I/O control
- Process data transmission
- Device parameterization
- Network diagnostics
- Fault detection
- Station management
- Real-time synchronization
The module supports scalable automation systems while reducing wiring complexity and simplifying future system expansion.
Industrial Applications
Manufacturing Automation
Common applications include:
- Assembly lines
- Packaging machines
- Conveyor systems
- Robotic work cells
- Automated production equipment
Process Industries
Suitable for:
- Chemical processing
- Petrochemical plants
- Pharmaceutical production
- Food and beverage manufacturing
- Cement processing facilities
Water and Wastewater Treatment
Widely deployed in:
- Pump stations
- Water treatment plants
- Wastewater facilities
- Reservoir monitoring
- Distribution networks
Energy and Utilities
Typical applications include:
- Power generation
- Electrical substations
- Renewable energy installations
- Utility automation
- Industrial energy management
Logistics and Material Handling
Ideal for:
- Automated warehouses
- Sorting systems
- Conveyor networks
- Distribution centers
- Material handling equipment
OEM Machine Building
Frequently integrated into:
- Customized industrial machinery
- Packaging equipment
- Process skids
- Machine tools
- Factory automation systems
Installation and System Integration
Proper installation ensures maximum communication reliability and long-term system stability.
Before installation, engineers should verify:
- ET 200SP compatibility
- PLC hardware configuration
- PROFINET device naming
- IP address assignment
- Ethernet cable quality
- Grounding system
- Power supply voltage
- Cabinet ventilation
- Firmware compatibility
Recommended Installation Procedure
- Disconnect all electrical power.
- Mount the interface module on the ET 200SP base unit.
- Connect Industrial Ethernet cables.
- Verify the 24 V DC power supply.
- Configure hardware in TIA Portal.
- Assign the PROFINET device name.
- Configure the IP address.
- Download the hardware configuration.
- Restore system power.
- Verify LED indicators.
- Confirm network communication.
- Test connected I/O modules.
- Review diagnostic information.
- Complete commissioning.
Compatible System Components
| Component | Function |
|---|---|
| SIMATIC S7-1500 PLC | Central automation controller |
| SIMATIC S7-1200 PLC | Compact machine controller |
| ET 200SP I/O Modules | Distributed signal acquisition and control |
| ET 200SP Base Unit | Mechanical installation platform |
| Industrial Ethernet Switch | Network communication |
| PROFINET Network | Real-time Industrial Ethernet |
| HMI Panel | Operator interface |
| SCADA System | Process monitoring |
| Engineering Station | System configuration |
| Industrial Power Supply | 24 V DC power source |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 6AG1155-6AU01-2CN0 | SIPLUS PROFINET Interface Module | ET 200SP distributed I/O |
| 6AG1155-6AA01-7BN0 | SIPLUS PROFINET Interface Module | Extended environmental applications |
| 6ES7155-6AU01-0CN0 | Standard ET 200SP Interface Module | Standard factory automation |
| 6AG1155-5AA01-7AB0 | SIPLUS ET 200MP Interface Module | ET 200MP systems |
| ET 200SP Communication Modules | Communication Module | Industrial Ethernet applications |
Key Advantages
- Designed for SIPLUS ET 200SP distributed automation
- Reliable PROFINET IO communication
- Conformal-coated electronics for harsh industrial environments
- Integrated two-port Industrial Ethernet switch
- Supports line, star, and ring network topologies
- Comprehensive system diagnostics
- Compact and lightweight construction
- Simplified engineering with TIA Portal
- Fast deterministic data exchange
- Suitable for continuous industrial operation
- Dimensions 50 × 117 × 74 mm
- Approximate weight 0.12 kg
Technical FAQs
What is the Siemens 6AG1155-6AU01-2CN0?
The 6AG1155-6AU01-2CN0 is a SIPLUS ET 200SP PROFINET interface module designed to connect ET 200SP distributed I/O stations with compatible SIMATIC PLC controllers.
What is the primary function of this module?
Its primary function is to provide deterministic PROFINET communication between the PLC and distributed ET 200SP I/O modules.
Which communication protocol does it support?
The module supports PROFINET IO over Industrial Ethernet.
Does the module include an Ethernet switch?
Yes. It includes an integrated two-port Ethernet switch, supporting line, star, and ring (MRP) network topologies.
What are the module dimensions?
The module measures 50 × 117 × 74 mm.
What is the approximate weight?
The module weighs approximately 0.12 kg.
Is the module suitable for harsh industrial environments?
Yes. As part of the SIPLUS family, it features conformal-coated electronics that improve resistance to humidity, condensation, corrosive gases, vibration, and extended temperature conditions.
Which Siemens automation systems are compatible?
The module is designed for SIMATIC ET 200SP distributed I/O systems integrated with compatible SIMATIC S7 PLC controllers.
Where is this interface module commonly used?
It is widely used in manufacturing automation, process industries, water treatment facilities, logistics systems, energy infrastructure, transportation, and OEM industrial machinery.
Does the module provide diagnostic capabilities?
Yes. It continuously monitors communication status, network health, and station operation while providing diagnostic information through LED indicators and engineering software.
Conclusion
The Siemens 6AG1155-6AU01-2CN0 Interface Module is a dependable SIPLUS ET 200SP PROFINET communication module developed for modern distributed industrial automation. Combining rugged SIPLUS environmental protection, high-speed Industrial Ethernet communication, integrated diagnostics, and seamless compatibility with ET 200SP systems, it provides reliable connectivity between PLC controllers and distributed field devices.
With compact dimensions of 50 × 117 × 74 mm and an approximate weight of 0.12 kg, the 6AG1155-6AU01-2CN0 is an excellent solution for control cabinets where installation space, communication performance, and long-term reliability are critical. When integrated with SIMATIC PLCs, ET 200SP I/O modules, HMIs, SCADA systems, and PROFINET networks, it delivers scalable, efficient, and high-performance automation across a broad range of industrial applications.