Description
Siemens 6DD2920-0AM0 Light Input/Sender Module LES2 Product Description
Product Overview
Siemens 6DD2920-0AM0 is a Light Input/Sender Module LES2 designed for the Siemens SIMADYN D high-performance closed-loop control system. As a specialized optical signal interface module, Siemens 6DD2920-0AM0 provides light-based signal transmission and reception functions for advanced drive control, converter systems, and industrial power electronics applications. The module is installed in SAV21 and SAV22 SIMADYN D racks and is mainly used for reliable optical communication between control electronics and external power converter components.
The Siemens 6DD2920-0AM0 belongs to the SIMADYN D modular control platform, which was developed for demanding applications requiring fast signal processing, deterministic control response, and high system reliability. The LES2 optical input/sender function enables electrical isolation between sensitive control circuits and high-power sections such as thyristor converters, reducing the influence of electromagnetic interference and improving operational safety.
Within industrial drive and converter architectures, Siemens 6DD2920-0AM0 plays an important role as an interface component between SIMADYN D control modules and external optical signal circuits. It is commonly applied in large motor drives, converter-fed systems, and energy conversion equipment where precise and interference-resistant signal transmission is required. The modular rack-mounted design allows convenient integration into existing SIMADYN D installations, making Siemens 6DD2920-0AM0 a valuable spare and replacement solution for long-life industrial automation systems.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6DD2920-0AM0 |
| Manufacturer | Siemens |
| Product Type | Light Input/Sender Module LES2 |
| Product Series | SIMADYN D |
| Main Function | Optical signal input and transmission interface |
| Application System | SIMADYN D closed-loop control system |
| Compatible Rack | SAV21 / SAV22 rack |
| Signal Type | Optical fiber signal interface |
| Isolation Method | Optical electrical isolation |
| Application Area | Converter control, drive systems, power electronics |
| Module Structure | Plug-in PCB module |
| Internal Communication | SIMADYN D backplane bus |
| Installation Method | Rack-mounted installation |
| Power Supply | Internal SIMADYN D rack supply |
| Operating Environment | Industrial automation environment |
| Cooling Method | Natural cabinet cooling |
| Country of Manufacture | Germany |
Main Features and Advantages
Optical signal transmission capability:
The key advantage of Siemens 6DD2920-0AM0 is its optical signal interface technology. By using fiber-optic transmission, the module provides excellent electrical isolation between control circuits and power electronic equipment. This is especially important in high-power converter applications where voltage differences and electromagnetic interference can affect conventional electrical connections.
High reliability for converter applications:
Power converters and industrial drives often operate under electrically demanding conditions. Siemens 6DD2920-0AM0 improves signal transmission reliability by separating sensitive SIMADYN D control electronics from high-voltage switching environments. This design reduces interference problems and enhances overall system stability.
6DD2920-0BB0
Optimized SIMADYN D system integration:
Designed specifically for the SIMADYN D platform, Siemens 6DD2920-0AM0 can be directly installed into compatible SAV21 and SAV22 racks. The standardized modular structure allows engineers to easily integrate the module into existing control cabinets without major hardware modifications.
Fast and accurate signal handling:
Industrial converter systems require precise timing and reliable communication between control units and power stages. Siemens 6DD2920-0AM0 provides dependable optical signal processing, supporting accurate control coordination in applications involving thyristor firing, converter monitoring, and drive regulation.
Improved electrical safety:
Traditional copper signal connections may introduce risks caused by ground loops and electrical disturbances. The optical interface technology used in Siemens 6DD2920-0AM0 minimizes these issues and provides an additional layer of protection for critical automation systems.
Modular maintenance concept:
The plug-in design of Siemens 6DD2920-0AM0 simplifies maintenance operations. Engineers can replace individual interface modules within SIMADYN D racks instead of replacing complete control assemblies, reducing repair time and improving equipment availability.
Support for legacy industrial systems:
Many SIMADYN D installations remain in operation due to their reliability and performance. Siemens 6DD2920-0AM0 provides an effective replacement component for maintaining existing drive and converter systems, extending their useful service life.
Suitable for demanding industrial environments:
With industrial-grade construction and compatibility with Siemens control architectures, Siemens 6DD2920-0AM0 is suitable for continuous-duty applications requiring stable signal transmission and long-term operational reliability.
Application Areas
Large Motor Drive Systems:
Siemens 6DD2920-0AM0 is widely used in large industrial drive systems where SIMADYN D controllers manage high-power motors. It supports reliable optical communication between control units and converter power stages.
Thyristor Converter Applications:
In thyristor-controlled converters, accurate and isolated signal transmission is essential. Siemens 6DD2920-0AM0 provides optical interface functions that help maintain stable converter operation and improve protection performance.
Steel and Metal Processing:
Steel plants and rolling mills require highly responsive drive control systems. Siemens 6DD2920-0AM0 supports SIMADYN D-based automation systems used in rolling stands, finishing equipment, and heavy-duty production machinery.
Mining and Heavy Industry:
Mining equipment such as conveyors, hoists, and crushers often use large electrical drives. Siemens 6DD2920-0AM0 contributes to reliable control communication in harsh industrial environments.
Power Generation Auxiliary Systems:
Power plants use controlled drives for pumps, fans, compressors, and other auxiliary equipment. Siemens 6DD2920-0AM0 supports stable operation of converter-based motor control systems.
Industrial Retrofit Projects:
For existing SIMADYN D installations, Siemens 6DD2920-0AM0 provides a practical replacement option. It allows users to maintain original control system architecture while avoiding costly complete modernization.
Related Products
- Siemens 6DD2920-0AL0 – Trigger Monitoring Logic Module for SIMADYN D thyristor converter applications, often used in related converter control systems.
- Siemens 6DD2920-0AJ0 – Thyristor trigger monitoring module used in SAV22 rack configurations.
- Siemens 6DD2920-0AA0 – Trigger module TS12 for SIMOVERT/SIMADYN converter control applications.
- Siemens 6DD2920-0AV0 – Pulse output module IMPAG1 used for converter pulse generation.
- Siemens 6DD2920-0AB1 – Interface module for SIMADYN D control applications.
