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- Schneider
- BMXFTB2800
- Terminal Block
- France
- 91.4 × 41.8 × 32 mm
- 0.111 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider BMXFTB2800 is a 28-pin removable terminal block for Modicon X80 I/O modules. It provides the physical connection point between field wiring and an X80 module, allowing individual field conductors to be terminated and connected to the corresponding I/O channels.
The terminal block uses a cage-clamp connection arrangement, making it suitable for control panels where repeatable wiring and secure conductor retention are required. The removable construction also allows the terminal block to be separated from the I/O module during maintenance without having to disturb every field wire individually.
BMXFTB2800 is particularly useful with Modicon X80 modules that use a 28-pin removable terminal block. It can simplify panel assembly, commissioning, module replacement, and troubleshooting by keeping the field wiring grouped at a dedicated removable interface.
In a typical installation, the terminal block sits between the X80 I/O module and the external field circuit. The I/O module handles signal processing, while the BMXFTB2800 provides the physical termination and distribution point for the connected conductors.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | BMXFTB2800 |
| Product Family | Modicon X80 |
| Product Type | 28-Pin Removable Terminal Block |
| Connection Type | Removable Cage-Clamp Terminal Block |
| Number of Terminals | 28 |
| Primary Function | Field wiring termination and I/O connection |
| System Role | I/O wiring interface |
| Typical Application | Modicon X80 analog and control I/O modules |
| Dimensions | 91.4 × 41.8 × 32 mm |
| Weight | 0.111 kg |
Product Features
- 28-pin removable terminal block for Modicon X80 modules
- Cage-clamp connection arrangement for field wiring
- Removable interface between field conductors and the I/O module
- Suitable for applications requiring organized multi-channel wiring
- Simplifies module replacement and cabinet maintenance
- Supports compact control-panel wiring arrangements
- Suitable for compatible X80 modules using a 28-pin removable terminal block
- Designed for industrial control-panel installation
Working Principle
The BMXFTB2800 does not process or condition the connected electrical signals. Its function is to establish the physical electrical path between the field wiring and the associated X80 I/O module.
Field conductors are terminated at the individual positions on the terminal block. When the terminal block is installed on the corresponding I/O module, each terminal is electrically associated with its assigned module channel.
Field Devices → Field Wiring → BMXFTB2800 Terminal Block → X80 I/O Module → Modicon Control System
This arrangement keeps field wiring organized while allowing the terminal block to be removed as an assembly when servicing the associated I/O module. During troubleshooting, technicians can inspect the terminal assignment, conductor seating, and wiring continuity before moving on to the I/O module or controller.
Role in a Modicon X80 Control Architecture
The BMXFTB2800 occupies the field-wiring interface layer of a Modicon X80 automation system. It connects external devices to the signal-processing circuitry of the associated X80 I/O module.
Field Devices → BMXFTB2800 → X80 I/O Module → X80 Backplane → Controller → HMI / SCADA
| System Element | Function |
|---|---|
| Field Devices | Generate or receive process signals |
| Field Wiring | Carries electrical signals between equipment and the control cabinet |
| BMXFTB2800 | Provides removable termination for the connected field conductors |
| X80 I/O Module | Processes input or output signals |
| X80 Backplane | Provides module-level system interconnection |
| Modicon Controller | Executes control logic and application processing |
| HMI / SCADA | Displays process information and operator controls |
The removable terminal arrangement is especially useful during I/O module maintenance because field wiring can remain organized at the terminal interface while the associated module is serviced.
Industrial Applications
| Application | Typical Use |
|---|---|
| Process Automation | Termination of field signals connected to X80 I/O |
| Manufacturing Equipment | Organized machine sensor and actuator wiring |
| Control Panels | Removable interface between cabinet wiring and I/O modules |
| Water and Wastewater Systems | Field signal connection for distributed process equipment |
| Power and Utility Systems | Connection of monitoring and control signals |
| Machine Automation | Multi-channel field wiring for sensors and actuators |
| Distributed I/O Systems | Structured termination for X80-based control architectures |
Installation and Maintenance
- Confirm that the BMXFTB2800 is intended for the associated X80 module before installation.
- Verify the module terminal arrangement against the approved electrical schematic.
- Identify each field conductor before connecting it to the terminal block.
- Check that conductors are correctly prepared for the cage-clamp connection.
- Ensure each conductor is inserted into the correct terminal position.
- Verify that the conductor is securely retained before commissioning.
- Avoid excessive mechanical force on the terminal block or connected wiring.
- Keep field wiring properly routed and supported inside the control cabinet.
- Check terminal assignments when troubleshooting incorrect I/O channel signals.
- Inspect terminals for loose conductors, damaged wiring, or signs of overheating during maintenance.
- When replacing the associated I/O module, follow the approved procedure for removing and reinstalling the removable terminal block.
- After maintenance, verify every affected I/O channel and confirm correct machine or process operation before returning the system to service.
Compatible System Components
| Component | Function |
|---|---|
| Modicon X80 I/O Modules | Provides signal processing for connected field devices |
| Modicon M340 PAC | Controller platform used with compatible X80 infrastructure |
| Modicon M580 PAC | Controller platform using the X80 common module platform |
| X80 Backplane | Provides system-level module interconnection |
| X80 Power Supply Modules | Supplies power to the automation hardware |
| Analog I/O Modules | Interfaces process measurement and analog control signals |
| Digital I/O Modules | Interfaces discrete sensors, switches, and actuators |
| Field Terminal Wiring | Connects external equipment to the terminal block |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Schneider BMXFTB2820 | 28-Pin Spring Terminal Block | Alternative 28-pin X80 field connection |
| Schneider BMXFTB2000 | 20-Pin Removable Terminal Block | Connection for compatible 20-pin X80 I/O modules |
| Schneider BMXFTB2010 | 20-Pin Screw-Clamp Terminal Block | Field wiring for compatible X80 modules |
| Schneider BMXFTB2020 | 20-Pin Spring Terminal Block | Spring-type X80 field connection |
| Schneider BMXFTB4000 | 40-Pin Removable Terminal Block | Connection for compatible 40-pin X80 modules |
| Schneider BMXAMI0810 | Modicon X80 Analog Input Module | Analog field signal acquisition |
| Schneider BMXAMI0800 | Modicon X80 Analog Input Module | Multi-channel analog signal interfacing |
| Schneider BMXCPS3020 | Modicon X80 Power Supply Module | Power supply for X80 control hardware |
Key Advantages
- Provides a dedicated 28-channel field wiring interface for compatible X80 modules.
- Removable construction simplifies I/O module servicing.
- Cage-clamp terminals help maintain organized conductor connections.
- Keeps field wiring separate from the removable I/O electronics.
- Simplifies channel identification during commissioning and troubleshooting.
- Suitable for control cabinets where repeatable and serviceable I/O wiring is required.
Technical FAQs
What is the difference between BMXFTB2800 and an X80 I/O module?
The BMXFTB2800 is a passive terminal block, not an I/O signal-processing module. It provides the physical termination point for field wiring, while the associated X80 I/O module performs the actual input or output processing.
When should the BMXFTB2800 be replaced?
Replacement may be appropriate when the terminal block has damaged connection points, mechanical damage, degraded conductor retention, or other physical problems that could affect field wiring reliability. The replacement should match the terminal arrangement required by the associated X80 module.
Why is a removable terminal block useful during I/O maintenance?
A removable terminal block can make module replacement easier because the field wiring remains grouped at the terminal interface. This reduces the need to individually disconnect and reconnect every field conductor during certain maintenance procedures.
How should an incorrect I/O signal be diagnosed through the BMXFTB2800?
Start by checking the terminal assignment and conductor seating, then verify wiring continuity and the associated X80 I/O channel. If the field wiring is correct, the investigation can continue toward the I/O module, backplane, controller configuration, or field device.