๐ง Product Overview
The AEG 271.112 479 203047 is an SD-System Rack Module from the AEG industrial automation product range. The part is identified with the type number 271.112 479 and is intended for use as part of an SD-System rack or control-system assembly.
This is a legacy automation component, making exact part-number matching particularly important when sourcing a replacement. Available product records identify it as an AEG Schiele Industriewerke SD-System component, with additional markings including D368312R and other system identification numbers.
The available unit is listed as used, with a listed weight of approximately 4.650 kg and Germany specified as the country of origin.
โ๏ธ Key Features
- Brand: AEG
- Product family: SD-System
- Model / MPN: 271.112 479 203047
- Product type: SD-System Rack Module
- Type number: 271.112 479
- Legacy industrial automation hardware
- Designed for integration into an SD-System rack
- Suitable as a maintenance or replacement spare
- Multiple identification markings on the assembly
- Used condition according to the available listing
- Country of origin listed as Germany
- Approximate weight: 4.650 kg
๐ Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | AEG |
| Manufacturer | AEG / AEG Schiele Industriewerke |
| Product Family | SD-System |
| Model | 271.112 479 203047 |
| Type No. | 271.112 479 |
| Product Type | SD-System Rack Module |
| System | AEG SD-System |
| Additional Marking | D368312R |
| Electrical Rating | Not specified |
| Communication Interface | System dependent |
| Mounting | SD-System rack |
| Country of Origin | Germany |
| Weight | Approx. 4.650 kg |
| Condition | Used |
โก Operating Function
The 271.112 479 203047 functions as a rack-level component within an AEG SD-System installation. Its primary role is related to the physical and electrical integration of the modules installed in the associated control-system rack.
Because this is a legacy rack component and detailed technical documentation is not readily available for the exact part number, it should not be treated as a generic PLC rack or universal backplane. The actual function depends on the complete SD-System configuration, installed modules and rack wiring.
For replacement work, the safest approach is to compare the original unit’s part number, terminal arrangement, connector positions and additional markings before installation.
๐ ๏ธ Installation & Configuration
- Confirm the complete part number
Check 271.112 479 203047 and the 271.112 479 type number against the existing equipment. - Record all markings
Legacy AEG assemblies can contain several internal and external identification numbers. Photograph these markings before removing the original unit. - Inspect the rack interfaces
Check connectors, card guides, terminals and mounting hardware for corrosion, oxidation or mechanical damage. - Verify the rack configuration
Confirm that the replacement belongs to the same SD-System rack configuration. - Check wiring carefully
Do not reconnect field or control wiring based only on physical appearance. Use the original system drawings where available. - Power isolation
Completely isolate the control cabinet before removing or installing the rack component. - Functional test
After installation, check the complete rack for proper module recognition, communication and system operation.
๐ง Maintenance Tips
Legacy rack hardware benefits from regular inspection, particularly in older control cabinets where dust, moisture and connector oxidation can become problems.
Check the backplane and connectors for discoloration, loose contacts or corrosion. Avoid aggressive cleaning agents and do not bend old connectors during inspection.
If the rack develops intermittent faults, inspect the complete signal path rather than immediately replacing individual modules. A poor rack connection or aging backplane contact can produce symptoms that appear to be a CPU or I/O failure.
For a used spare, bench inspection and continuity checks are recommended before installing it into a running control system.
โ Common Questions
What is the AEG 271.112 479 203047?
It is an AEG SD-System Rack Module identified by part number 271.112 479 203047.
What system does it belong to?
Available records identify it with the AEG Schiele Industriewerke SD-System family.
Is it a PLC CPU?
No. The available product information identifies it as an SD-System Rack Module rather than a CPU.
What is the weight?
The available listing specifies approximately 4.650 kg.
Is the module new?
The available listing identifies the unit as Used.
Where was it manufactured?
The available listing specifies Germany as the country of origin.
Can another AEG rack replace it?
Not without verification. The exact rack dimensions, connectors, electrical interfaces and SD-System configuration should be matched before substitution.
What should be checked before purchase?
Confirm 271.112 479 203047, 271.112 479, the physical connector arrangement, additional markings, condition and compatibility with the existing SD-System rack.
๐ Related AEG Models & Components
- AEG 271.112 479 203047 โ SD-System Rack Module
- AEG SD-System rack assemblies
- AEG SD-System CPU modules
- AEG SD-System digital input modules
- AEG SD-System digital output modules
- AEG SD-System analog input modules
- AEG SD-System analog output modules
- AEG DTA 201 โ Subrack Assembly
- AEG ALU 152 โ PLC CPU
- AEG ALU 204 โ PLC CPU
The last three examples belong to the broader AEG legacy automation range; they should not be assumed to be direct replacements for the 271.112 479 203047 rack module.
๐ญ Application Summary
The AEG 271.112 479 203047 is a legacy SD-System rack component intended for use within an established AEG control-system installation. Its main value today is as a replacement or maintenance spare for equipment that is still operating but difficult to support with current-generation hardware.
When purchasing this type of legacy component, the exact part number is more important than the general product description. Matching the original 271.112 479 203047 identification, physical interfaces and complete rack configuration can help avoid installation and compatibility problems.
