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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.
| 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 |
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.
SIMATIC S7-1500 PLC
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Industrial Ethernet (PROFINET)
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6AG1155-6AA01-7BN0 Interface Module
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ET 200SP I/O Modules
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Sensors and Actuators
During operation, the module performs the following functions:
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.
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:
The module enables scalable distributed architectures while reducing wiring complexity and improving maintenance efficiency.
Widely used in:
Suitable for:
Typical applications include:
Commonly installed in:
Applied in:
Ideal for:
Proper installation ensures reliable communication and maximum system availability.
Before installation, engineers should verify:
Proper commissioning improves long-term communication reliability while minimizing maintenance requirements.
| 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 |
| 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 |
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.
Its primary function is to provide reliable PROFINET communication between the PLC and distributed ET 200SP I/O modules.
The module supports PROFINET IO communication over Industrial Ethernet.
Yes. It features an integrated two-port Ethernet switch, enabling flexible network configurations such as line, star, and ring topologies.
The module measures 50 × 117 × 74 mm.
The module weighs approximately 0.19 kg.
Yes. As part of the SIPLUS family, it incorporates conformal coating for enhanced resistance to moisture, condensation, corrosive gases, and extended industrial operating conditions.
The module is designed for SIMATIC ET 200SP distributed I/O systems used with compatible SIMATIC S7 PLC controllers.
It is widely deployed in manufacturing automation, process industries, water treatment facilities, energy infrastructure, transportation systems, logistics equipment, and OEM machinery.
Yes. It continuously monitors communication status, device health, and network conditions while providing comprehensive diagnostic information through integrated LED indicators and engineering software.
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.