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- Siemens
- 6AG1155-6AA01-7BN0
- Interface Module
- Germany
- 50 × 117 × 74 mm
- 0.19 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Siemens 6AG1155-6AA01-7BN0 Interface Module is a rugged SIPLUS ET 200SP PROFINET Interface Module designed for high-performance distributed automation systems operating in demanding industrial environments. As a member of the Siemens SIPLUS product family, this module features conformal-coated electronics and an extended environmental operating range, making it suitable for applications exposed to humidity, condensation, corrosive atmospheres, vibration, and temperature fluctuations.
Designed for the SIMATIC ET 200SP distributed I/O platform, the 6AG1155-6AA01-7BN0 serves as the communication gateway between a SIMATIC PLC and ET 200SP I/O stations through a PROFINET Industrial Ethernet network. The module enables deterministic real-time communication, cyclic and acyclic data exchange, device diagnostics, parameter assignment, and synchronization of distributed field devices, ensuring stable and efficient operation throughout the automation system.
Its compact mechanical design allows installation in space-constrained control cabinets while maintaining excellent communication performance and system reliability. Integrated diagnostic LEDs provide clear operating status information, helping maintenance engineers identify network faults and reduce system downtime.
With dimensions of 50 × 117 × 74 mm and an approximate weight of 0.19 kg, the 6AG1155-6AA01-7BN0 is widely used in factory automation, process control, water treatment, energy facilities, transportation infrastructure, pharmaceutical manufacturing, food processing, logistics systems, and OEM machine building.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6AG1155-6AA01-7BN0 |
| 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 |
| Network Topology | Line, Star, Ring (MRP Supported) |
| 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 0.19 kg |
| Typical Application | Distributed Industrial Automation |
Function and Working Principle
The Siemens 6AG1155-6AA01-7BN0 functions as the communication interface between a SIMATIC PLC and distributed ET 200SP I/O modules over a PROFINET Industrial Ethernet network.
Typical Communication Architecture
SIMATIC S7-1500 PLC
↓
Industrial Ethernet (PROFINET)
↓
6AG1155-6AA01-7BN0 Interface Module
↓
ET 200SP I/O Modules
↓
Sensors and Actuators
During operation, the module performs the following functions:
- Establishes PROFINET communication
- Transfers cyclic process data
- Handles acyclic parameter communication
- Synchronizes distributed field devices
- Monitors communication quality
- Generates diagnostic information
- Supports remote configuration and maintenance
- Improves overall system availability
By continuously exchanging real-time process information and monitoring network status, the interface module enables fast response times and dependable communication between the controller and field devices.
Role in Industrial Control Systems
Within an ET 200SP distributed automation system, the 6AG1155-6AA01-7BN0 serves as the communication gateway that connects remote I/O stations with the central automation controller.
Its primary responsibilities include:
- PROFINET communication management
- Distributed I/O control
- Process data transmission
- Device diagnostics
- Parameter configuration
- Station management
- Fault detection
- Network synchronization
The module enables scalable distributed architectures while reducing wiring complexity and improving maintenance efficiency.
Industrial Applications
Manufacturing Automation
Widely used in:
- Assembly lines
- Packaging machinery
- Conveyor systems
- Robotic production cells
- Automated manufacturing equipment
Process Industries
Suitable for:
- Chemical plants
- Petrochemical facilities
- Pharmaceutical production
- Food and beverage processing
- Cement manufacturing
Water and Wastewater Treatment
Typical applications include:
- Pump stations
- Water treatment facilities
- Wastewater plants
- Reservoir monitoring
- Distribution systems
Energy and Utilities
Commonly installed in:
- Power generation plants
- Electrical substations
- Renewable energy systems
- Utility automation
- Industrial energy management
Transportation and Infrastructure
Applied in:
- Railway automation
- Tunnel monitoring
- Airport baggage handling
- Intelligent transportation systems
- Infrastructure control systems
OEM Machinery
Ideal for:
- Machine builders
- Packaging equipment
- Material handling systems
- Process skids
- Customized automation solutions
Installation and System Integration
Proper installation ensures reliable communication and maximum system availability.
Before installation, engineers should verify:
- ET 200SP station compatibility
- SIMATIC PLC configuration
- PROFINET network parameters
- Device name assignment
- IP address configuration
- Ethernet cable quality
- Protective grounding
- Cabinet ventilation
- Environmental operating conditions
Recommended Installation Procedure
- Disconnect all system power.
- Mount the interface module on the ET 200SP base unit.
- Connect the Industrial Ethernet cables.
- Verify the power supply connections.
- Configure the hardware in TIA Portal.
- Assign the PROFINET device name.
- Configure the IP address.
- Download the project configuration.
- Restore system power.
- Verify LED indicators.
- Test network communication.
- Verify connected I/O modules.
- Review diagnostic information.
- Complete commissioning.
Proper commissioning improves long-term communication reliability while minimizing maintenance requirements.
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 processing |
| ET 200SP Base Unit | Mechanical installation platform |
| Industrial Ethernet Switch | Network infrastructure |
| PROFINET Network | Real-time communication |
| HMI Panel | Operator interface |
| SCADA System | Process supervision |
| Engineering Station | Configuration and diagnostics |
| Industrial Power Supply | 24 V DC power source |
Recommended Alternative Models
| Model | Product Type | Typical Application |
|---|---|---|
| 6AG1155-6AA01-7BN0 | SIPLUS PROFINET Interface Module | ET 200SP distributed automation |
| 6ES7155-6AA01-0BN0 | Standard Interface Module | Standard ET 200SP systems |
| 6AG1155-5AA01-7AB0 | SIPLUS ET 200MP Interface Module | ET 200MP systems |
| 6AG1155-5BA00-2AB0 | SIPLUS PROFIBUS Interface Module | PROFIBUS distributed I/O |
| ET 200SP Communication Modules | Communication Module | Industrial Ethernet applications |
Key Advantages
- Designed for SIPLUS ET 200SP automation systems
- Reliable PROFINET IO communication
- Conformal-coated electronics for harsh environments
- Integrated two-port Ethernet switch
- Supports line, star, and ring network topologies
- Comprehensive diagnostic capabilities
- Compact and lightweight design
- Easy engineering with TIA Portal
- Fast deterministic data exchange
- Suitable for continuous industrial operation
- Dimensions 50 × 117 × 74 mm
- Approximate weight 0.19 kg
Technical FAQs
What is the Siemens 6AG1155-6AA01-7BN0?
The 6AG1155-6AA01-7BN0 is a SIPLUS ET 200SP PROFINET interface module used 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 reliable PROFINET communication between the PLC and distributed ET 200SP I/O modules.
Which communication protocol does it support?
The module supports PROFINET IO communication over Industrial Ethernet.
Does the module include an Ethernet switch?
Yes. It features an integrated two-port Ethernet switch, enabling flexible network configurations such as line, star, and ring topologies.
What are the module dimensions?
The module measures 50 × 117 × 74 mm.
What is the approximate weight?
The module weighs approximately 0.19 kg.
Is the module suitable for harsh industrial environments?
Yes. As part of the SIPLUS family, it incorporates conformal coating for enhanced resistance to moisture, condensation, corrosive gases, and extended industrial operating conditions.
Which Siemens automation platforms are compatible?
The module is designed for SIMATIC ET 200SP distributed I/O systems used with compatible SIMATIC S7 PLC controllers.
Where is this interface module commonly used?
It is widely deployed in manufacturing automation, process industries, water treatment facilities, energy infrastructure, transportation systems, logistics equipment, and OEM machinery.
Does the module provide integrated diagnostics?
Yes. It continuously monitors communication status, device health, and network conditions while providing comprehensive diagnostic information through integrated LED indicators and engineering software.
Conclusion
The Siemens 6AG1155-6AA01-7BN0 Interface Module is a reliable SIPLUS ET 200SP PROFINET communication module developed for modern distributed industrial automation. Combining rugged SIPLUS environmental protection, deterministic Industrial Ethernet communication, integrated diagnostics, and seamless compatibility with ET 200SP systems, it delivers stable and efficient communication between PLC controllers and distributed field devices.
With compact dimensions of 50 × 117 × 74 mm and an approximate weight of 0.19 kg, the 6AG1155-6AA01-7BN0 is an excellent choice for control cabinets requiring high communication reliability and efficient use of installation space. When integrated with SIMATIC PLCs, ET 200SP I/O modules, HMIs, SCADA systems, and Industrial Ethernet networks, it provides scalable, high-performance automation for a broad range of industrial applications.