Schneider Electric STBXBA2000 Modicon STB I/O Mounting Base

Only 9 item(s) left in stock

Manufacturer: Schneider Electric
Product No.: STBXBA2000
Country of origin:France
Product Type: PLC Mounting Bases
Payment: T/T, Western Union
Weight: 40g
Dimensions: 13.0 x 5.0 x 2.5 cm
Shipping port: Xiamen
Warranty: 12 months

Designed to facilitate secure backplane integration within the Modicon STB distributed I/O system, the Schneider Electric STBXBA2000 serves as a dedicated mounting base for I/O modules and internal bus expansions. This active component establishes the structural and electrical foundation for modular automation configurations, ensuring reliable data transmission and power distribution across the local island bus.

Key Features

Provides physical mounting and electrical connection interfaces for Modicon STB I/O modules.
Supports seamless internal STB bus expansion across the local island segment.
Compact form factor optimizes DIN rail space efficiency within control enclosures.
Robust mechanical alignment features prevent incorrect module insertion and ensure pin protection.

Applications

Distributed I/O architectures in discrete manufacturing and process automation.
Water and wastewater treatment facility control panels.
Packaging machinery, material handling, and assembly line control systems.
Modular PLC expansion setups requiring high-density point distribution.

Technical Specifications

Parameter	Specification
Manufacturer	Schneider Electric
Model Number	STBXBA2000
Product Range	Modicon STB
Product Type	I/O Mounting Base / Internal Bus Expansion
Product Phase	Active
Commodity Code	85366990
Export Control Regulations (ECCN)	N
Shipping Weight (Calculated)	0.04 kg
Package Dimensions (Calculated)	13.0 x 5.0 x 2.5 cm

Empirical Engineering Insights

Alternative Models & Compatibility

The STBXBA2000 is the standard 18.1 mm wide mounting base. It is critical to verify the physical width of your intended Modicon STB I/O module before installation. High-density or specialty modules may require the wider STBXBA3000 (28.1 mm) base. These bases are not interchangeable due to the physical dimensions of the module housings.

Application Pitfalls & Engineering Notes

Ensure that the mounting bases are securely locked onto the DIN rail and tightly abutted against one another. Intermittent gaps between adjacent bases can cause micro-disconnections in the internal STB backplane bus, leading to hard-to-diagnose "Bus Off" errors or random module dropouts during operation.

Commissioning & Wiring Tips

When assembling the Modicon STB island, slide the mounting bases together horizontally on the DIN rail until the side-mounted bus connectors engage fully. Only snap the bases down once they are aligned. Forcing a module onto a misaligned base can damage the delicate gold-plated backplane pins.

Installation Guidelines

CRITICAL WARNING

De-energize all power sources feeding the Modicon STB island and associated field devices before installing, removing, or wiring any mounting bases. Failure to do so can cause permanent damage to the internal bus circuitry or trigger unexpected system behavior.

Mount the STBXBA2000 base onto a clean, grounded 35 mm DIN rail by hooking the top of the base clamp over the rail and pressing down firmly until it clicks into place.

Slide the base horizontally along the DIN rail to mate its side connector with the adjacent STB base or Network Interface Module (NIM).

Verify that the mechanical keying on the base matches the configuration of the specific I/O module to be inserted.

Carefully align the I/O module over the base and press straight down until the module latch locks securely onto the base housing.

Key Features:

#Modicon STB #PLC Mounting Bases

What is the primary function of the STBXBA2000 mounting base?

It provides the physical mounting platform and backplane bus connection interface for Modicon STB I/O modules, allowing them to communicate with the Network Interface Module.

Can I use this base with any Modicon STB module?

It is compatible with standard 18.1 mm wide Modicon STB modules. Wider modules (such as 28.1 mm units) require the STBXBA3000 base.

Does this mounting base support hot-swapping of I/O modules?

Yes, the Modicon STB system supports hot-swapping of I/O modules from their mounting bases, provided the system configuration and safety protocols permit it.

What should I do if the backplane bus shows intermittent communication faults?

Check that all adjacent mounting bases are pushed tightly together on the DIN rail and that the side-mounted bus connectors are fully engaged without gaps.

Global Express Shipping

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Returns & Warranty

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TECHNICAL SPECIFICATIONS

Country of origin

Schneider Electric STBXBA2000 Modicon STB I/O Mounting Base