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- Foxboro
- FBM202 RH916XH
- Compression Termination Assembly
- USA
- 125 × 76 × 80 mm
- 0.159 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Foxboro FBM202 RH916XH is an I/A Series 200 Compression Termination Assembly associated with Foxboro fieldbus module installations. It serves as the termination and wiring interface between field-side connections and the associated FBM system, helping organize signal connections within an industrial control installation.
The assembly is typically used where field wiring needs to be terminated and routed into the I/O architecture. Rather than performing process control itself, the termination assembly provides the physical connection point for field signals associated with the corresponding FBM installation.
In a typical Foxboro I/A Series system, field instruments and discrete devices connect through the termination arrangement, while the associated FBM handles signal acquisition or output functions. This separation allows field wiring and electronic I/O hardware to be arranged as distinct parts of the control architecture.
The FBM202 RH916XH is therefore particularly relevant to maintenance, panel assembly, field wiring, and replacement work on Foxboro I/A Series installations.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Foxboro |
| Model / Part Number | FBM202 RH916XH |
| Series | I/A Series 200 |
| Product Type | Compression Termination Assembly |
| Application | Field signal termination and I/O interface |
| Dimensions | 125 × 76 × 80 mm |
| Weight | 0.159 kg |
Product Features
- Compression termination assembly for Foxboro I/A Series 200 installations.
- Provides an organized interface for field wiring associated with the I/O system.
- Supports structured connection between field-side wiring and the corresponding FBM architecture.
- Suitable for control panels and distributed I/O installations.
- Helps simplify field cable termination and signal routing.
- Useful during system maintenance, panel refurbishment, and replacement work.
- Separates physical field termination from the electronic signal-processing function of the FBM.
Working Principle
The FBM202 RH916XH functions as a physical termination interface rather than as the primary signal-processing device. Field wires are brought to the termination assembly, where the individual conductors are connected according to the system wiring arrangement.
A typical signal path is:
Field Device → Field Wiring → FBM202 RH916XH → I/O Interface → Foxboro I/A Series Control System
For an input application, a signal from a field instrument travels through the field wiring to the termination assembly and onward to the associated I/O module. For an output application, the signal travels in the opposite direction toward the field device.
The termination assembly therefore provides the physical connection layer needed to integrate field wiring with the I/O subsystem. Correct terminal assignment and wiring identification are essential because the assembly itself does not determine the meaning or scaling of the connected process signal.
Role in a I/A Series 200 Control Architecture
The FBM202 RH916XH occupies the field termination layer of the Foxboro I/A Series 200 architecture.
Field Instruments → Field Wiring → FBM202 RH916XH → Associated FBM I/O → Control Network → Foxboro Control System
| System Element | Function |
|---|---|
| Field Instruments | Generate process measurements or receive control outputs |
| Field Wiring | Carries electrical signals between field devices and the control panel |
| FBM202 RH916XH | Provides the physical termination and connection interface |
| Associated FBM I/O | Processes or generates the corresponding field signals |
| Control Network | Transfers I/O information within the distributed control architecture |
| Foxboro Control System | Executes control strategies, monitoring, alarms, and operator functions |
The termination assembly is especially important during installation and maintenance because field wiring can be disconnected or replaced without treating the electronic I/O module itself as the field connection point.
Industrial Applications
| Application | Typical Use |
|---|---|
| Process Control | Terminates field instrument wiring for distributed I/O systems |
| Chemical Plants | Organizes connections for process measurement and control signals |
| Oil and Gas | Provides a field-side interface within I/A Series control installations |
| Power and Utilities | Supports structured field wiring for monitoring and control systems |
| Water Treatment | Connects field instruments and equipment signals to the I/O architecture |
| Control Panel Assembly | Provides an organized termination point during panel construction |
| System Maintenance | Used when replacing or servicing field termination hardware |
| Plant Expansion | Supports additional field wiring within compatible Foxboro I/O installations |
Installation and Maintenance
- Verify the Part Number
Confirm the FBM202 RH916XH identification against the existing I/A Series installation before replacement. - Review Wiring Documentation
Check the approved panel drawings and termination schedules before disconnecting any field wiring. - Identify Field Conductors
Label individual wires before removal to prevent incorrect reconnection. - Check Terminal Assignment
Confirm that each field signal is connected to the correct terminal position. - Inspect Terminations
Check for loose conductors, damaged terminals, corrosion, or signs of overheating. - Use Proper Wiring Practices
Maintain appropriate conductor preparation and termination according to the installation requirements. - Separate Signal Wiring
Keep sensitive instrumentation wiring appropriately separated from high-power wiring where required by the installation. - Check Shielding and Grounding
Verify that cable shields and grounding arrangements follow the control-system wiring design. - Inspect Associated I/O
When troubleshooting a signal problem, check both the termination assembly and the associated FBM rather than assuming the fault is limited to one component. - Verify Continuity
Use appropriate test procedures to confirm field-circuit continuity after wiring work. - Check Signal Operation
After reconnection, verify that the control system receives or generates the expected field signal. - Document Changes
Record any wiring changes, replaced components, or modified termination points for future maintenance.
Compatible System Components
| Component Type | Typical Role |
|---|---|
| Foxboro I/A Series 200 FBM | Provides the associated field I/O function |
| Foxboro Field Wiring | Carries signals between field devices and the termination assembly |
| Field Terminal Wiring | Provides individual signal connections |
| Control System Network | Transfers I/O information to the control-system infrastructure |
| Field Instruments | Supply process measurements to the I/O system |
| Final Control Elements | Receive output signals from the control system |
| Control Cabinet | Houses termination and associated I/O equipment |
Recommended Related Models
| Model / Family | Product Type | Typical Application |
|---|---|---|
| Foxboro FBM202 Series | Fieldbus Module / I/O Assembly | I/A Series 200 field I/O applications |
| Foxboro I/A Series 200 | Distributed Control System | Process control and monitoring |
| Foxboro FBM Series | Fieldbus Module | Distributed field signal acquisition and control |
| Foxboro Termination Assemblies | Field Termination Hardware | Field wiring and I/O interfaces |
| Foxboro I/A Series I/O Components | I/O System Components | Process measurement and control integration |
| Foxboro Control System Components | Control System Hardware | Distributed process automation |
Key Advantages
- Provides a structured field wiring interface for I/A Series installations.
- Simplifies connection between field circuits and associated I/O hardware.
- Supports organized control-panel wiring and maintenance.
- Useful for replacement and refurbishment of existing Foxboro installations.
- Helps separate field termination work from electronic I/O servicing.
- Suitable for distributed process-control environments where clear signal routing is required.
Technical FAQs
What is the function of the FBM202 RH916XH?
The FBM202 RH916XH functions as a compression termination assembly for the associated Foxboro I/A Series 200 I/O architecture. Its primary role is to provide the physical termination and routing point for field wiring.
Does the FBM202 RH916XH process field signals?
The termination assembly itself is not normally the primary signal-processing element. Signal processing or I/O functions are handled by the associated FBM and control-system hardware connected through the termination arrangement.
What should be checked when replacing this termination assembly?
Verify the part number, terminal assignment, field wiring documentation, conductor identification, shielding and grounding arrangement, and connections to the associated I/O equipment before returning the system to operation.
Can a wiring fault be mistaken for an FBM failure?
Yes. A loose termination, incorrect conductor assignment, damaged wire, or poor connection can cause abnormal signal behavior that may appear to be an I/O module problem. Troubleshooting should therefore include the field device, wiring, termination assembly, and associated FBM.