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ℹ️ Additional Information
| Condition |
USED/EXCELLENT CONDITION |
|---|---|
| Manufacturer |
SCHNEIDER |
| Product Code |
200.208.00444 |
📦 Guarantee Terms
🗂️ Product Files
🖹 Description
Modicon STB – mounting base – for I/O module internal bus extension
PLC Mounting Base / I/O Base Module – Advantys STB STBXBA2000
This is a PLC mounting base (I/O base module), specifically the STBXBA2000 from the Modicon Advantys STB series by Schneider Electric. It is a key component in distributed I/O systems, providing the physical and electrical platform required for modular automation setups.
What it is
The STBXBA2000 is a mounting base designed to support and interconnect I/O modules in a PLC system. It acts as both a mechanical carrier and an electrical backplane, enabling modules to function together as part of a unified automation architecture.
It does not perform control or logic operations but is essential for system assembly and operation.
What it does
- Provides:
o Mechanical support via DIN rail mounting
o Electrical backplane connection for module integration - Allows I/O modules to:
o Plug into the system securely
o Share power distribution
o Communicate through the internal system bus
This ensures consistent and reliable operation across all connected modules.
How it fits in a system
A typical distributed I/O setup looks like:
Network module → Base → I/O module → Base → I/O module → …
- Each I/O module is mounted on a base like the STBXBA2000
• The communication module connects the system to the PLC or network
• The backplane inside the base enables seamless data exchange
This modular design allows flexible expansion and easy maintenance.
STBXBA2000 vs STBXBA1000
- Both serve the same fundamental role (mounting + backplane connection)
• Differences include:
o Wiring layout
o Module compatibility
o Physical configuration
They are not always interchangeable, so correct selection is important during system design.
Where it’s used
The STBXBA2000 is commonly used in:
• Remote I/O stations
• Industrial control panels
• Machine automation systems
• Distributed automation architectures
• Manufacturing and process industries
Key advantages
- Modular and scalable system design
• Easy installation and replacement of modules
• Reliable electrical and communication connections
• Reduced wiring complexity
• Organized and efficient control panel layout
Practical note
When working with Advantys STB systems, it is critical to match:
Correct base type ↔ Correct I/O module
This ensures compatibility, proper operation, and long-term system reliability.
Simple explanation
In simple terms, this is a “connector platform” for PLC modules. It allows them to be plugged in, powered, and connected so they can communicate and operate together as part of a complete automation system.
