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- Siemens
- 6ES7133-6CV15-1AM0
- BU Cover
- Germany
- 15 × 73 × 35.3 mm
- 0.047 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Siemens 6ES7133-6CV15-1AM0 is a 15 mm BaseUnit cover accessory for the SIMATIC ET 200SP distributed I/O system. Its official product type designation is BU Cover. The product is supplied as a package of five covers and is intended for protecting unused BaseUnit positions.
Within an ET 200SP installation, BaseUnits provide the mechanical mounting and electrical connection interfaces for I/O modules. When a BaseUnit position remains unused, its exposed connection interfaces can become vulnerable to dust and other environmental contamination. The 6ES7133-6CV15-1AM0 covers the empty position and helps protect the open plug contacts.
The cover is particularly relevant in control cabinets where the ET 200SP station contains unused positions or where the system layout requires additional clearance between installed equipment. It can also be used in specified motor starter installations as a dummy module to improve electromagnetic interference immunity.
The 15 mm version is intended for compatible BaseUnits of type A0 or A1. It is a passive mechanical accessory and does not contain electronic components, perform signal processing, or participate in PLC communication.
For maintenance and system expansion, the cover helps keep unused BaseUnit interfaces protected until the corresponding position is required for a future installation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model | 6ES7133-6CV15-1AM0 |
| Product Series | SIMATIC ET 200SP |
| Product Type | BU Cover |
| Official Product Designation | SIMATIC ET 200SP, 5 BU Covers, 15 mm |
| Accessory Type | BaseUnit Cover |
| Package Quantity | 5 Pieces |
| Cover Width | 15 mm |
| Compatible BaseUnit Types | A0 / A1 |
| Primary Function | Protection of Empty BaseUnit Positions |
| Application | ET 200SP Distributed I/O System |
| Mounting System | SIMATIC ET 200SP |
| Operating Temperature (Horizontal Installation) | -40 to +60°C |
| Operating Temperature (Vertical Installation) | -40 to +50°C |
| Maximum Installation Altitude | 5,000 m |
| Dimensions | 15 × 73 × 35.3 mm |
| Weight | 0.047 kg |
Product Features
- 15 mm Cover Width: Matches the corresponding 15 mm ET 200SP BaseUnit installation arrangement.
- Empty Slot Protection: Covers unused BaseUnit positions to protect exposed electrical connection interfaces.
- Five-Piece Package: Supplied in a package of five units for multiple installation positions.
- A0 and A1 Compatibility: Intended for compatible BaseUnits of type A0 or A1.
- Dust Protection: Helps prevent dirt and dust from reaching open BaseUnit plug contacts.
- Passive Mechanical Accessory: Requires no separate power supply, electronic configuration, or communication connection.
- Motor Starter Installation Support: Can be used as a 15 mm dummy module in specified ET 200SP motor starter arrangements.
- System Expansion Convenience: Allows unused BaseUnit positions to remain covered until additional equipment is installed.
Product Working Principle
The Siemens 6ES7133-6CV15-1AM0 works through a simple mechanical protection arrangement rather than an electronic operating process.
When an ET 200SP BaseUnit is installed without an I/O module, its connection interfaces may remain exposed. These include the power connector, power bus connector, and backplane bus connector.
The BU cover is fitted over the corresponding unused position to protect these exposed interfaces from dirt and contamination.
Its operation can be summarized as:
Unused ET 200SP BaseUnit → 6ES7133-6CV15-1AM0 Installation → Covered Connection Interfaces → Reduced Exposure to Contamination
In specified motor starter installations, the cover can also serve as a dummy module positioned between preceding equipment and the first motor starter. This arrangement helps maintain the required installation conditions for electromagnetic compatibility.
The cover does not carry electrical signals, switch circuits, or communicate with the PLC. Its function is entirely mechanical and protective.
Role in Siemens SIMATIC ET 200SP Control Architecture
Within the SIMATIC ET 200SP architecture, the 6ES7133-6CV15-1AM0 is an installation accessory rather than an active automation component.
ET 200SP stations consist of interface modules, BaseUnits, digital and analog I/O modules, and other compatible equipment. Not every BaseUnit position necessarily requires an active I/O module.
When a BaseUnit remains unused, the BU cover provides protection for the exposed connection interfaces.
A typical installation arrangement is:
SIMATIC PLC → ET 200SP Interface Module → BaseUnits → Digital / Analog I/O Modules → Field Devices
At an unused position:
ET 200SP BaseUnit → 6ES7133-6CV15-1AM0 BU Cover
The cover is also relevant when configuring certain ET 200SP motor starter installations. For specified interference-free arrangements, Siemens identifies this 15 mm cover together with BaseUnit 6ES7193-6BP00-0BA0 as the dummy module arrangement before the first motor starter.
This makes the accessory useful for both protecting unused electrical interfaces and maintaining specified mechanical installation arrangements.
Industrial Applications
The 6ES7133-6CV15-1AM0 is used in ET 200SP installations where unused BaseUnit positions need mechanical protection.
| Industrial Application | Typical Use |
|---|---|
| Manufacturing Automation | Covering unused BaseUnit positions in PLC control cabinets |
| Automotive Production | Protecting unused ET 200SP station connections |
| Packaging Machinery | Maintaining covered positions in distributed I/O stations |
| Conveyor Systems | Protecting unused connection interfaces in control cabinets |
| Water Treatment | Covering spare I/O positions in distributed control panels |
| Chemical Processing | Protecting unused BaseUnit contacts in automation installations |
| Motor Starter Installations | Providing a specified dummy module arrangement |
| Power Distribution | Covering unused distributed I/O connection positions |
| Industrial Assembly Lines | Maintaining protected spare positions for system expansion |
| Process Automation | Protecting unused ET 200SP BaseUnit interfaces |
Installation and Maintenance
- Verify the Part Number: Confirm that 6ES7133-6CV15-1AM0 is the required 15 mm BU cover for the intended ET 200SP installation.
- Check BaseUnit Compatibility: Verify that the cover is being used with a compatible A0 or A1 BaseUnit.
- Inspect the Cover: Check the plastic housing for cracks, deformation, or damaged mounting features.
- Prepare the Installation Position: Identify the unused BaseUnit position that requires protection.
- Check Electrical Safety: Ensure that the relevant equipment is in a safe condition before working around exposed electrical connections.
- Inspect Connection Interfaces: Check the open BaseUnit plug contacts for visible contamination or foreign objects.
- Clean the Installation Area: Remove loose dust and debris using an appropriate maintenance method before fitting the cover.
- Position the Cover: Align the 15 mm cover with the corresponding unused BaseUnit position.
- Secure the Cover: Fit the cover according to the ET 200SP installation instructions and ensure that it is properly seated.
- Verify Installation Clearance: Check that the cover does not interfere with adjacent modules, motor starters, or other installed equipment.
- Inspect During Maintenance: Check the cover periodically for displacement, damage, or accumulated contamination.
- Replace Damaged Covers: Replace cracked or improperly fitted covers to maintain protection of the unused BaseUnit interfaces.
Compatible System Components
| Component | Function |
|---|---|
| Siemens 6ES7133-6CV15-1AM0 | 15 mm ET 200SP BU Cover |
| Siemens 6ES7193-6BP00-0BA0 | BU Type A0 BaseUnit |
| Siemens 6ES7193-6BP00-0BA1 | BU Type A1 BaseUnit |
| Siemens 6ES7193-6BP00-0DA0 | BU Type A0 BaseUnit |
| Siemens 6ES7193-6BP00-0DA1 | BU Type A1 BaseUnit |
| Siemens 6ES7133-6CV20-1AM0 | 20 mm ET 200SP BU Cover |
Recommended Related Models
| Model / Product | Product Type | Typical Application |
|---|---|---|
| Siemens 6ES7133-6CV20-1AM0 | 20 mm BU Cover | Protection of unused ET 200SP positions |
| Siemens 6ES7193-6BP00-0BA0 | BU Type A0 BaseUnit | ET 200SP module mounting |
| Siemens 6ES7193-6BP00-0BA1 | BU Type A1 BaseUnit | ET 200SP module mounting |
| Siemens 6ES7193-6BP00-0DA0 | BU Type A0 BaseUnit | ET 200SP electrical connections |
| Siemens 6ES7193-6BP00-0DA1 | BU Type A1 BaseUnit | ET 200SP electrical connections |
| Siemens 3RK1908-1DA00-2BP0 | Infeed Bus Cover | Protection of ET 200SP infeed bus connections |
Key Advantages
- Protects unused ET 200SP BaseUnit positions.
- Covers exposed electrical connection interfaces.
- Compatible with specified A0 and A1 BaseUnits.
- Supplied as five covers per package.
- Supports specified motor starter dummy-module arrangements.
- Requires no electrical power or software configuration.
- Helps maintain clean and organized distributed I/O installations.
Technical FAQs
1. What is the main purpose of the Siemens 6ES7133-6CV15-1AM0?
Its main purpose is to cover unused 15 mm ET 200SP BaseUnit positions. It protects exposed plug contacts, including power and backplane bus connections, against dust and contamination.
2. Which BaseUnit types are compatible with the 6ES7133-6CV15-1AM0?
The 15 mm cover is intended for compatible BaseUnits of type A0 or A1. The BaseUnit arrangement should be checked before installation.
3. Can the 6ES7133-6CV15-1AM0 be used in ET 200SP motor starter installations?
Yes. Siemens specifies this cover as part of a dummy-module arrangement before the first ET 200SP motor starter in certain installations requiring improved electromagnetic interference immunity. The specified arrangement uses BaseUnit 6ES7193-6BP00-0BA0.
4. Does the 6ES7133-6CV15-1AM0 require electrical wiring or PLC configuration?
No. It is a passive mechanical accessory. It does not require a power connection, signal wiring, PLC addressing, or software configuration.