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- Siemens
- 6AG1503-2CB00-2AA0
- Optical Link Module
- Germany
- 39.5 × 112 × 74.5 mm
- 0.412 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Siemens 6AG1503-2CB00-2AA0 SIPLUS NET OLM/G11 V4.0 Optical Link Module is an industrial optical communication interface for connecting compatible network segments within Siemens automation systems. It belongs to the SIPLUS NET OLM family and is used where fiber-optic communication is required between distributed automation devices.
The OLM/G11 is useful in control installations where network equipment is located across separate cabinets, production areas, or plant sections. Optical communication can provide a practical connection method in environments with significant electromagnetic interference or where electrical isolation between network sections is desirable.
Within the automation system, the module belongs to the communication infrastructure rather than the controller-processing layer. It handles the physical communication link between compatible network interfaces and the optical transmission medium while the PLC or controller continues to execute the application program.
The SIPLUS version can be incorporated into industrial installations subject to the applicable SIPLUS environmental requirements. During replacement or commissioning, the OLM version, connected interfaces, optical cabling, and network topology should be checked as one communication path.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6AG1503-2CB00-2AA0 |
| Product Family | SIPLUS NET |
| Product Series | OLM/G11 V4.0 |
| Product Type | Optical Link Module |
| Primary Function | Industrial optical network communication |
| System Role | Network communication interface |
| Typical Application | Industrial automation network infrastructure |
| Dimensions | 39.5 × 112 × 74.5 mm |
| Weight | 0.412 kg |
Product Features
- SIPLUS NET OLM/G11 V4.0 Optical Link Module.
- Supports optical communication within compatible Siemens industrial networks.
- Connects distributed network segments through an optical transmission path.
- Suitable for control systems with separated network equipment locations.
- Useful in electrically noisy industrial environments.
- Supports communication infrastructure for distributed automation systems.
- Operates as a network interface rather than a PLC processing unit.
- Suitable for SIPLUS installations subject to the applicable environmental specifications.
Working Principle
The 6AG1503-2CB00-2AA0 operates as an optical link within the supported Siemens communication architecture. Data arriving from a connected network interface is transferred through the module toward the optical communication path and onward to the corresponding remote network segment.
Automation Network → OLM/G11 → Optical Fiber Link → Remote OLM / Network Segment → Automation Devices
The module maintains the communication path between network sections rather than interpreting the application-level meaning of the transmitted data. This allows controllers, distributed devices, and other compatible network equipment to exchange information across an optical connection.
Communication performance depends on the complete link, including the OLM configuration, connected interfaces, optical connectors, fiber cabling, and remote communication equipment. A fault anywhere along this path can appear as loss of communication or an unreachable network segment.
Role in a Siemens SIPLUS NET Optical Communication Architecture
The OLM/G11 occupies the optical communication layer of the automation network. It provides the interface between compatible electrical network connections and the optical transmission path used to reach another network location.
PLC / Network Device → OLM/G11 → Optical Fiber → Remote OLM / Network Device → Distributed Automation Equipment
| System Element | Function |
|---|---|
| Siemens PLC / Controller | Executes application control logic |
| Network Interface | Exchanges automation data with the network |
| 6AG1503-2CB00-2AA0 | Establishes the optical communication link |
| Optical Fiber | Transfers communication data between network locations |
| Remote OLM / Network Node | Receives and forwards communication traffic |
| Distributed I/O | Exchanges process signals with the control system |
| HMI / SCADA | Provides operator visualization and supervisory functions |
The optical communication layer allows network equipment to be distributed according to the physical layout of the plant while maintaining a defined communication path between the connected automation segments.
Industrial Applications
| Application | Typical Use |
|---|---|
| Industrial Automation | Optical interconnection of distributed automation networks |
| Manufacturing Plants | Communication between separated production areas |
| Process Automation | Network connection between distributed control equipment |
| Power and Utility Facilities | Communication across electrically separated locations |
| Large Control Installations | Optical links between control cabinets |
| Electrically Noisy Areas | Network communication with reduced susceptibility to EMI |
| Distributed I/O Systems | Optical connection between remote automation sections |
Installation and Maintenance
- Confirm that the 6AG1503-2CB00-2AA0 is suitable for the intended SIPLUS NET communication architecture.
- Verify the OLM/G11 V4.0 configuration against the existing network design before replacement.
- Identify the local and remote communication endpoints before disconnecting the existing module.
- Inspect electrical interfaces and optical connections for visible damage or contamination.
- Keep optical connectors clean and protected during installation.
- Route fiber-optic cables without excessive bending, pulling, or mechanical stress.
- Confirm that the connected network interfaces are compatible with the planned OLM communication arrangement.
- Energize the module under controlled commissioning conditions and check its status indicators.
- Verify communication between the local and remote network segments.
- Inspect the optical path and cable connections if communication becomes intermittent.
- Check network configuration and connected devices when a remote node remains unreachable.
- After replacement, perform a complete communication test across the affected optical link before returning the automation system to normal operation.
Compatible System Components
| Component | Function |
|---|---|
| Siemens SIPLUS PLC / Controller | Executes automation application logic |
| Siemens SIMATIC NET Equipment | Provides industrial communication functions |
| OLM Optical Link Modules | Establishes compatible optical communication connections |
| Optical Fiber Cable | Transfers communication signals between network locations |
| Industrial Network Equipment | Connects devices within the automation communication system |
| Distributed I/O | Exchanges field signals with the automation controller |
| HMI / SCADA | Provides operator and supervisory visualization |
| Engineering Station | Supports network configuration and diagnostics |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Siemens SIPLUS NET OLM Series | Optical Link Module | Industrial optical network communication |
| Siemens OLM/G11 Series | Optical Link Module | Optical network segment interconnection |
| Siemens OLM/P11 Series | Optical Link Module | Optical communication infrastructure |
| Siemens SIMATIC NET Components | Industrial Network Equipment | Automation communication infrastructure |
| Siemens SIPLUS NET Communication Modules | Communication Module | Industrial network integration |
| Siemens Optical Network Components | Fiber Communication Equipment | Distributed network connections |
| Siemens PROFIBUS Network Components | Fieldbus Communication | Industrial field communication |
Key Advantages
- Provides an optical communication interface for compatible Siemens automation networks.
- Supports network connections between physically separated automation areas.
- Useful where electromagnetic interference or electrical separation is a concern.
- Allows communication infrastructure to follow distributed plant layouts.
- Integrates into SIPLUS NET industrial communication architectures.
- Simplifies optical network segment interconnection within compatible systems.
Technical FAQs
What is the difference between an OLM/G11 and a general network switch?
An OLM/G11 is an optical link component intended for a supported industrial communication architecture, while a conventional Ethernet switch is primarily used to connect Ethernet devices within a network. The communication standard and installed topology should be checked before selecting either device.
What should be checked when replacing an OLM/G11 V4.0?
Verify the exact part number and version, network configuration, connected interfaces, optical connections, and existing topology. The replacement should be tested across the complete communication path rather than only checking whether the module powers up.
Why might communication fail even when the OLM/G11 has power?
Power availability does not confirm that the optical communication path is functioning. Optical connector contamination, damaged fiber, incorrect network connections, remote-device faults, or configuration problems can prevent communication even when the module itself is energized.
Can the OLM/G11 replace a PLC communication processor?
No. The OLM/G11 belongs to the network infrastructure layer. It establishes the supported optical communication path, while a PLC communication processor or controller handles the relevant application-level communication and control functions.