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- Schneider
- BMEXBP1200H
- 12-Slot Rack
- France
- 503.2 × 19 × 105.11 mm
- 1.377 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider BMEXBP1200H Modicon X80 12-Slot Rack is a rack-level component for assembling compatible Modicon X80 modules into an automation station. It forms the common backplane interface used by installed modules, providing both the mechanical positions and internal electrical connections needed for the rack to function as an integrated unit.
The BMEXBP1200H is suited to Modicon M580 and X80-based architectures where a 12-slot arrangement is required. It can accommodate a combination of control, I/O, and communication modules, allowing engineers to build a more extensive station without dividing every function into a separate rack.
The backplane itself does not execute application logic or directly acquire field signals. Instead, it supports the modules that perform those functions. The processor, I/O, and communication devices installed on the rack use the common backplane infrastructure to exchange information as part of the automation system.
The H-version is particularly relevant when selecting an X80 rack for a specific environmental or system configuration. Before replacement, the complete hardware configuration should be checked rather than treating the rack as interchangeable solely because the slot count is the same.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Backplane Rack |
| Product Series | Modicon X80 |
| Model | BMEXBP1200H |
| Rack Type | X80 12-Slot Backplane |
| Module Capacity | 12 Slots |
| Application | M580 / X80 Automation System |
| Dimensions | 503.2 × 19 × 105.11 mm |
| Weight | 1.377 kg |
Product Features
- 12-slot Modicon X80 rack for larger modular control stations.
- Provides a shared backplane interface for compatible X80 modules.
- Suitable for M580/X80 automation architectures requiring multiple module positions.
- Supports organized installation of I/O and communication functions within one rack.
- Helps consolidate multiple automation modules into a structured cabinet arrangement.
- Allows individual installed modules to be serviced or replaced without removing the entire rack.
- Provides the internal connection infrastructure required for coordinated module operation.
- Suitable for applications where rack configuration and environmental requirements need to be considered together.
Working Principle
The BMEXBP1200H acts as the common connection platform for the modules installed in the X80 station. The rack does not independently perform control calculations; instead, it allows the processor, I/O, and communication modules to communicate through the shared backplane.
Power Supply → BMEXBP1200H Backplane → Processor / I/O / Communication Modules → Field Devices and Network
The operating sequence can be viewed as follows:
- The compatible power supply energizes the rack and installed modules.
- The controller exchanges control and status information with the modules through the backplane.
- I/O modules transfer field information between sensors, actuators, and the controller.
- Communication modules exchange data with external automation networks.
- The backplane maintains the common internal connection between the installed modules.
When diagnosing a station, the rack should be considered part of the common signal and communication infrastructure. A fault affecting the shared connection can produce symptoms across several modules rather than only one channel.
Role in a Modicon M580 Control Architecture
The BMEXBP1200H serves as the physical and electrical foundation of a 12-slot X80 station within a Modicon M580 control architecture.
M580 Controller → BMEXBP1200H → X80 I/O / Communication Modules → Field Equipment / Industrial Network
| System Element | Typical Function |
|---|---|
| M580 Controller | Executes application logic and manages control operations |
| BMEXBP1200H | Provides the common rack structure and module interconnection |
| X80 Power Supply | Supplies power to the station |
| Digital I/O | Handles discrete signals from switches, sensors, relays, and actuators |
| Analog I/O | Interfaces with continuous process measurements and control signals |
| Communication Modules | Connect external networks and automation equipment |
| Ethernet Infrastructure | Transfers data between controllers, stations, and supervisory equipment |
| Terminal Blocks | Connect field wiring to I/O modules |
| Field Equipment | Motors, valves, instruments, switches, and sensors |
Industrial Applications
| Application | Typical Use |
|---|---|
| Process Control | Larger M580 stations combining several I/O and communication functions |
| Water Treatment | Control panels for pumps, valves, instrumentation, and distributed equipment |
| Manufacturing Lines | Modular PLC stations supporting machine sections and production equipment |
| Material Handling | Conveyor and transfer systems with multiple field interfaces |
| Chemical Plants | Process stations with extensive instrumentation and control I/O |
| Energy Facilities | Automation cabinets containing monitoring and communication modules |
| Packaging Equipment | Modular machine-control cabinets with multiple X80 interfaces |
| Infrastructure Automation | Centralized control panels for utility and facility equipment |
| Industrial Machinery | Larger machine-control stations requiring additional module positions |
Installation and Maintenance
- Confirm the BMEXBP1200H is the correct rack variant for the planned X80/M580 configuration.
- Verify the required processor, power supply, I/O, and communication modules before installation.
- Mount the backplane securely in the designated control cabinet position.
- Keep the rack correctly aligned during module installation.
- Check that each module is compatible with the rack and intended system architecture.
- Insert modules carefully and ensure that their backplane connectors are fully engaged.
- Inspect the connectors for dust, corrosion, deformation, or mechanical damage.
- Verify that the rack and associated equipment are properly grounded.
- Check power distribution before energizing the complete station.
- Confirm module recognition and communication after system startup.
- If several modules show abnormal behavior simultaneously, inspect the rack, power supply, and common backplane connections first.
- During preventive maintenance, check module seating and mounting hardware for looseness.
- Replace the backplane when physical damage or persistent common connection faults cannot be corrected through installation checks.
A rack-level problem can have a wider effect than an individual I/O module failure. When multiple devices on the same station report faults at approximately the same time, checking the shared backplane and power infrastructure can narrow down the cause more quickly.
Related Components
| Component | Function |
|---|---|
| Modicon M580 Processor | Executes the automation application |
| X80 Power Supply | Provides operating power to the rack |
| X80 Digital Input Modules | Acquire discrete field signals |
| X80 Digital Output Modules | Control discrete field devices |
| X80 Analog Modules | Handle analog process measurements and outputs |
| X80 Communication Modules | Interface with external industrial networks |
| Remote I/O Adapter | Connects compatible remote X80 stations |
| Ethernet Switch | Provides network connectivity |
| X80 Terminal Blocks | Provide field wiring connections |
| Control Expert | Used for configuration and programming |
| HMI / SCADA | Provides operator monitoring and supervisory functions |
Recommended Related Models
| Model / Series | Product Type | Typical Application |
|---|---|---|
| BMEXBP0602 | Modicon X80 Backplane | Compact X80/M580 stations |
| BMEXBP0800 | Modicon X80 Backplane | Medium-capacity modular stations |
| BMEXBP1002 | Modicon X80 10-Slot Rack | Expanded X80 control cabinets |
| BMEXBP1200 | Modicon X80 12-Slot Rack | Standard 12-slot X80 applications |
| BMEXBP1200H | Modicon X80 12-Slot Rack | 12-slot X80 configurations requiring the H variant |
| BMXBP0600 | Modicon X80 Backplane | Standard compact X80 installations |
| BMXBP0800 | Modicon X80 Backplane | Medium-sized X80 stations |
| BMXBP1200 | Modicon X80 Backplane | Larger X80 station configurations |
Key Advantages
- 12-slot architecture gives the station substantial room for combining multiple X80 modules.
- Establishes a common backplane connection for installed automation modules.
- Supports structured M580/X80 control cabinet construction.
- Allows I/O and communication functions to be grouped within one rack.
- Simplifies module-level replacement and maintenance.
- The H variant can be selected when the project requires the corresponding rack version rather than relying only on slot count.
Technical FAQs
What is the BMEXBP1200H used for in an X80 system?
The BMEXBP1200H is used as the common backplane rack for compatible Modicon X80 modules. It supplies the rack-level mounting and internal interconnection infrastructure needed to assemble the automation station.
Does the BMEXBP1200H contain a PLC processor?
No. The BMEXBP1200H is a rack component and does not execute the user application. A compatible M580 processor or other appropriate controller must be installed as part of the complete control architecture.
Why would an engineer select the BMEXBP1200H instead of another 12-slot rack?
The choice should be based on the complete system and environmental requirements, not slot count alone. The BMEXBP1200H should be selected when its specific rack characteristics match the project configuration and the modules installed on it.
What symptoms can indicate a problem with the BMEXBP1200H?
Possible indications include simultaneous communication problems affecting several installed modules, unexpected module recognition errors, or abnormal behavior across multiple rack positions. Power, module seating, backplane connections, and configuration should be checked before replacing individual modules.