Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The Siemens 6AG1138-4CB11-2AB0 Power Module is a compact industrial power module designed for compatible SIPLUS ET 200S distributed I/O systems. It forms part of the modular power architecture used to supply and manage electrical power for electronic modules installed within a distributed automation station.
In a distributed PLC system, field I/O devices may be installed away from the central controller. Instead of routing every field connection back to a single cabinet, a distributed I/O station places signal modules closer to the equipment. The power module provides an important part of the electrical infrastructure required by this arrangement.
The 6AG1138-4CB11-2AB0 is not a PLC processor or communication controller. Its principal role is associated with power distribution within the compatible ET 200S station. By providing an organized power supply structure for downstream modules, it helps maintain dependable operation of the distributed I/O system.
As a SIPLUS product, this module is intended for industrial applications where equipment may encounter more demanding environmental conditions. This makes it particularly relevant to automation installations requiring robust modular hardware.
The module has specified dimensions of 15 × 81 × 52 mm and a weight of approximately 0.035 kg. Its compact form is useful for applications where control-panel space is limited.
Typical applications include factory automation, machine building, process control, utility systems, transportation infrastructure, and distributed industrial control installations.
| Parameter | Details |
|---|---|
| Manufacturer | Siemens |
| Product Family | SIPLUS ET 200S |
| Model | 6AG1138-4CB11-2AB0 |
| Product Type | Power Module |
| Main Function | Distributed power management |
| System Architecture | Distributed I/O |
| Compatible Platform | ET 200S |
| Installation | Modular ET 200S Station |
| Application | Industrial Automation |
| Module Design | Compact modular construction |
| Dimensions | 15 × 81 × 52 mm |
| Weight | 0.035 kg |
| Mounting Environment | Industrial Control Cabinet |
| System Integration | ET 200S Distributed I/O |
| Maintenance | Modular Replacement |
| Typical Application | I/O Station Power Distribution |
The 6AG1138-4CB11-2AB0 works as part of the electrical power architecture of a compatible ET 200S station.
A simplified system arrangement is:
Industrial DC Power Supply → Power Module → ET 200S Electronic Modules → Field Devices
The module supports the distribution of electrical power to the appropriate section of the distributed I/O station. This allows the automation system to organize its electrical supply according to the requirements of the installed modules.
Its role can include:
The power module works together with the station’s other components rather than operating as an independent PLC controller.
The importance of a power module becomes particularly clear in a distributed I/O architecture.
A conventional control structure may place the PLC, I/O, and field wiring in one central cabinet. A distributed system instead allows I/O stations to be installed closer to machines and process equipment.
A simplified architecture is:
Central PLC → ET 200S Interface → Power Module → I/O Modules → Sensors and Actuators
The central PLC executes the control program. The interface establishes communication with the remote station. The power module supports the electrical supply structure, while I/O modules acquire and generate field signals.
This architecture can provide several practical benefits:
The 6AG1138-4CB11-2AB0 therefore serves as a supporting component rather than the central intelligence of the control system.
The module can be incorporated into distributed automation systems used for:
Distributed I/O stations can be placed near machines, while the central PLC remains in the main control cabinet.
OEM machine manufacturers can use modular distributed I/O architectures to simplify machine wiring.
The power module can form part of a compact station installed close to:
Distributed I/O is useful in large industrial facilities where process instruments and control equipment are spread over substantial physical areas.
Potential applications include:
Distributed control stations are also suitable for pumping systems, transportation infrastructure, energy facilities, and other industrial installations.
The SIPLUS platform is intended for applications where environmental conditions may be more demanding than those encountered by standard automation hardware.
Correct installation is important because the power module forms part of the electrical supply architecture of the ET 200S station.
Before installation, engineers should check:
The exact wiring and electrical arrangement should be determined from the system design and the applicable Siemens installation documentation.
The power module is normally only one component of a larger automation architecture.
A representative system can contain:
PLC Controller
↓
ET 200S Interface Module
↓
6AG1138-4CB11-2AB0 Power Module
↓
Digital / Analog I/O Modules
↓
Sensors, Actuators and Industrial Equipment
The system may also include:
This modular arrangement allows engineers to select only the I/O and supporting components required for the specific machine or process.
| Component | Function |
|---|---|
| ET 200S Interface Module | Connects distributed station to the controller |
| ET 200S Base Unit | Provides module installation and electrical integration |
| 6AG1138-4CB11-2AB0 | Power distribution |
| Digital Input Module | Acquires discrete field signals |
| Digital Output Module | Controls discrete field devices |
| Analog Input Module | Measures process variables |
| Analog Output Module | Generates analog control signals |
| Communication Module | Provides system communication |
| SIMATIC PLC | Executes automation logic |
| Industrial Power Supply | Provides DC power |
| HMI | Operator monitoring and control |
| Engineering Workstation | Configuration and diagnostics |
| Sensors | Monitor process conditions |
| Actuators | Perform physical control actions |
| Model | Product Type | Main Function | Typical Application |
|---|---|---|---|
| 6AG1138-4CB11-2AB0 | Power Module | Distributed power management | ET 200S Automation |
| 6AG1138-4CA01-2AA0 | Power Module | Station power distribution | Distributed I/O |
| 6AG1138-4CA50-2AB0 | Power Module | Modular power management | Industrial Automation |
| 6AG1136-6PA00-2BC0 | Power Module | Power supply support | Distributed Control |
| 6AG1137-6BD00-2BA0 | Communication Module | Industrial communication | Distributed Networks |
| 6AG1137-6AA00-2BA0 | Communication Module | Automation communication | Factory Automation |
| 6AG1137-6AA01-7BA0 | Communication Module | Distributed communication | Process Control |
| 6AG1136-6DC00-2CA0 | Digital Output Module | Digital output control | Machine Automation |
Alternative selection should be based on the actual electrical characteristics and system architecture rather than physical dimensions alone. Engineers should verify the exact module generation, compatibility, voltage requirements, station configuration, and environmental conditions before substitution.
The 6AG1138-4CB11-2AB0 is a Siemens SIPLUS ET 200S Power Module used as part of a compatible distributed I/O station.
Its main purpose is to support the electrical power distribution architecture of the ET 200S station and its connected electronic modules.
No. It is a power module. The central control logic is executed by a compatible SIMATIC PLC or controller.
The specified dimensions are 15 × 81 × 52 mm.
The specified weight is approximately 0.035 kg.
The model belongs to the Siemens SIPLUS ET 200S product family.
Depending on the station design, compatible digital I/O, analog I/O, interface, communication, and other ET 200S modules may be integrated into the same distributed system.
Distributed power management allows the electrical supply of modular I/O stations to be organized according to the requirements of different sections of the automation system. This can simplify wiring and improve system modularity.
Typical applications include factory automation, machine building, process control, infrastructure automation, water treatment, energy systems, and other industrial applications using compatible ET 200S architectures.
The exact Siemens part number, ET 200S compatibility, electrical specifications, station configuration, wiring, connected modules, and environmental requirements should be verified before replacing the power module.
The Siemens 6AG1138-4CB11-2AB0 Power Module is a compact component designed to support power distribution within compatible SIPLUS ET 200S distributed automation systems. Rather than executing PLC logic or directly providing network control, its role is to form part of the electrical infrastructure that allows modular electronic and I/O components to operate reliably.
With dimensions of 15 × 81 × 52 mm and a specified weight of approximately 0.035 kg, the module provides a compact solution for distributed control installations where cabinet space and modularity are important considerations.
When integrated with compatible ET 200S interface modules, I/O modules, PLC controllers, communication equipment, and industrial power supplies, the 6AG1138-4CB11-2AB0 can contribute to a structured and maintainable automation architecture.
For replacement and modernization projects, engineers should always verify the complete system configuration and electrical requirements before selecting this or any alternative power module. Correct compatibility is essential for reliable operation of the overall distributed control system.