Siemens model 6ES7-390-5AB00-0AA0

The Siemens model **6ES7-390-5AB00-0AA0** is a **shielding element** of the **SIMATIC S7-300** series. It is mainly used for shielding connections of signal cables in the **ET200 distributed I/O system** to ensure anti-interference performance in industrial environments. The key information is summarized as follows:

1. **Product Positioning and Function*Siemens 6SL3210-1KE18-8UF1*

- **Application Scenario**: As a shielding element, it is used to connect signal cables between sensors, actuators and PLC modules. Through grounding design, it reduces electromagnetic interference (EMI) and improves system stability.

- **Compatibility**: Suitable for S7-300 and ET200S/ET200M distributed I/O architectures, supporting PROFIBUS DP and PROFINET fieldbuses.

2. **Technical Characteristics*Siemens model number 6SL3210-1KE23-2UF1*

- **Material and Design**: Made of metal materials (such as nickel-plated or copper), it has good conductivity and corrosion resistance, meeting industrial-grade electromagnetic shielding standards.

- **Installation Method**: With a modular design, it can be directly clamped on the S7-300 guide rail or ET200 module bracket, supporting quick wiring and grounding.

- **Shielding Effectiveness**: Realizes equipotential connection through integrated grounding terminals, effectively suppressing high-frequency interference and ensuring signal transmission accuracy.

3. **Market Status and Alternative Solutions*Siemens S7-1200 series PLC*

- **Alternative Models**: If an upgrade is needed, you can consult Siemens official or authorized distributors. It may involve **6ES7-390-5AA00-0AA0** or new-generation shielding solutions (such as integrated shielding terminal modules).

4. **Procurement and Support*Siemens 6ES7253-1AA22-0XA0 (EM253)*

- **US Suppliers**: You can check the inventory through industrial distributors via Whatsapp: 0086-13811255435, or contact Siemens US branch for authorized channel information.

- **Technical Documents**: Visit [Siemens Industry Support Center] and enter the model to download the installation manual and EMC compatibility report.

 5. **Matters Needing Attention**

- **Model Differentiation**: Pay attention to the suffix differences (such as 5AB00 vs 5AA00). Different suffixes may represent different versions or configurations, so it is necessary to check the accuracy of the order number.

- **System Design**: It is recommended to use it with S7-300 guide rails (such as 6ES7-390-1AB60-0AA0) and compatible modules (such as SM321/SM322) to ensure the overall anti-interference performance.

Products compatible with Siemens **6ES7-390-5AB00-0AA0** (S7-300 series shielding element) are mainly divided into two categories: **Siemens original same-series/matching products** and **functionally alternative compatible models**. The specific classifications and model descriptions are as follows:

 I. Siemens Original Compatible Products (Core Matching)

These products belong to the S7-300/ET200 system together with 6ES7-390-5AB00-0AA0, and can be used directly in conjunction to ensure shielding effectiveness and system stability.

1. **Same-series Shielding Elements (Similar/Alternative Functions)**  

   - **6ES7-390-5AA00-0AA0**: It belongs to the S7-300 shielding elements like 5AB00. The difference lies in the specific size and installation adaptation scenarios, and it can be used as an alternative model for similar shielding connection requirements.  

   - **6ES7-390-5AC00-0AA0**: Suitable for a wider range of cable shielding, compatible with S7-300 guide rails and ET200M distributed I/O modules, with consistent shielding effectiveness.

2. **S7-300 Guide Rails and Installation Accessories**  

   - **6ES7-390-1AB60-0AA0**: S7-300 standard guide rail (35mm, 200mm long). 6ES7-390-5AB00-0AA0 can be directly clamped on this guide rail, which is the basic installation carrier.  

   - **6ES7-390-1AE80-0AA0**: Longer S7-300 guide rail (800mm), suitable for multi-module combination scenarios, compatible with the installation of shielding elements.

3. **ET200 Distributed I/O Modules (Used in Conjunction)**  

   - **ET200S Interface Module**: Such as 6ES7-151-1AA05-0AB0 (IM151-1 standard type), as the core interface of distributed I/O, it needs to cooperate with shielding elements to realize signal cable shielding grounding.  

   - **ET200M Module**: Such as 6ES7-153-1AA03-0XB0 (IM153-1 interface module), when used with S7-300 modules, it needs to handle shielding layer connection through 6ES7-390-5AB00-0AA0.

4. **Shielded Cables and Connectors**  

   - **PROFIBUS Shielded Cable**: Such as 6XV1830-0EH10 (twisted pair shielded cable, used for PROFIBUS DP communication), its shielding layer needs to be grounded through 6ES7-390-5AB00-0AA0 to ensure anti-interference.  

   - **M12 Shielded Connector**: Such as 6GK1-901-0DA20-0AA0 (PROFINET shielded plug), which forms a complete shielding system with shielding elements.

 II. Functionally Alternative Compatible Models (Third-party or Upgraded Versions)

If replacement or upgrade is needed, the following models can meet similar shielding requirements, but attention should be paid to system compatibility verification:

1. **Siemens New-generation Shielding Solutions**  

   - **6ES7-390-5BA00-0AA0**: A shielding element optimized for high-frequency interference, compatible with the S7-300 system, with better shielding effectiveness, and can be used as a technical upgrade option.

2. **Third-party Compatible Shielding Terminals**  

   - Phoenix Contact's **UT 2,5-PE** shielding terminal: An industrial-grade shielding grounding terminal, suitable for similar cable shielding scenarios, and it is necessary to confirm the mechanical compatibility with S7-300 guide rails.  

   - Weidmüller's **WPE 2,5** shielding grounding module: Compliant with IEC standards, it can replace and realize equipotential connection of shielding layers, but it is recommended to give priority to original accessories to ensure EMC performance.

Matters Needing Attention

1. **Compatibility Core**: Priority should be given to Siemens original same-series products (such as 6ES7-390 series shielding elements, S7-300 guide rails, ET200 modules) to ensure that the mechanical size, shielding effectiveness and system design are completely matched.  

2. **EMC Verification**: Third-party products need to pass electromagnetic compatibility (EMC) tests to avoid system signal interference caused by poor shielding.  

3. **Document Reference**: For specific compatibility, you can refer to Siemens' *S7-300 Module Data Manual* or query the matching list by entering the model through [Siemens Industry Support Center].

For bulk replacement or system upgrade, it is recommended to contact Siemens authorized distributors for program verification.