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- Termination Cable
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- 2 meters
- 3 kg
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Product Overview
The Foxboro P0931RN is an I/A Series 200 Type 2 P/PVC termination cable used for connecting compatible field termination assemblies with FBM2xx interfaces. It belongs to the Type 2 P/PVC cable family used in Foxboro I/A Series 200 field wiring arrangements.
The cable provides the electrical path between the termination assembly and the associated fieldbus module. Field signals from connected instruments can pass through the termination arrangement to the FBM, while output circuits can use the same wiring path in the opposite direction.
P0931RN is associated with Type 2 termination arrangements used with applicable I/A Series 200 field I/O configurations. The model is particularly relevant to installations where the termination assembly and FBM wiring need a dedicated cable connection.
The P/PVC construction uses a polyurethane outer jacket with semi-rigid PVC primary conductor insulation. P0931RN is the legacy designation corresponding to the current RH931RN model.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product | P0931RN |
| Product Family | I/A Series 200 Termination Cable |
| Cable Type | Type 2 |
| Cable Construction | P/PVC |
| Application | Field Wiring / Termination Assembly Connection |
| System | Foxboro I/A Series 200 |
| Associated Modules | FBM2xx |
| Cable Jacket | Polyurethane |
| Primary Conductor Insulation | Semi-rigid PVC |
| Temperature Range | -20 to +80°C (-4 to +176°F) |
| Replacement Model | RH931RN |
| Cable Length | 2 meters |
| Shipping Weight | 3 kg |
Product Features
- Type 2 P/PVC termination cable for Foxboro I/A Series 200 systems.
- Intended for compatible FBM2xx field wiring arrangements.
- Provides the electrical connection between termination assemblies and FBM interfaces.
- Uses polyurethane outer jacket and semi-rigid PVC conductor insulation.
- Supports organized field signal routing within control system installations.
- Suitable for maintenance and replacement of established I/A Series 200 wiring.
- P0931RN is the legacy model corresponding to RH931RN.
- Suitable for industrial process control and instrumentation wiring.
Working Principle
The P0931RN operates as a passive electrical connection within the I/A Series 200 field I/O path. It does not convert, amplify, isolate, or process the connected signals.
For an input circuit, a field instrument sends its signal to the termination assembly. The signal then passes through the termination cable to the associated FBM input circuitry, where it can be acquired by the control system.
For an output circuit, the signal travels from the FBM through the termination cable and termination assembly toward the field device. The cable therefore forms part of the physical connection between the field wiring and the control system I/O.
The termination cable must be matched with the applicable Type 2 termination arrangement and FBM configuration during installation or replacement.
Role in an I/A Series 200 Field I/O Architecture
| System Element | Role |
|---|---|
| Field Instruments | Generate process signals or receive control signals |
| Field Wiring | Connects field devices with the termination assembly |
| Type 2 Termination Assembly | Provides the field-side interface |
| P0931RN | Carries electrical circuits between the termination assembly and FBM |
| FBM2xx Module | Acquires field inputs or provides field outputs |
| I/A Series 200 Control System | Processes field information and executes control functions |
| Operator / Engineering Station | Provides monitoring, configuration, diagnostics, and operator control |
Industrial Applications
| Application | Typical Use |
|---|---|
| Process Instrumentation | Connecting field instruments with compatible FBM interfaces |
| Chemical Processing | Routing instrumentation signals through termination assemblies |
| Oil and Gas | Maintaining existing Foxboro I/A Series field wiring |
| Power and Utilities | Connecting field devices with centralized process control I/O |
| Manufacturing | Integrating instrumentation with established I/A Series 200 systems |
| DCS Maintenance | Replacing existing Type 2 termination cables |
| Legacy System Service | Maintaining installations using P0916/P0931-series field wiring |
Installation and Maintenance
- Verify the applicable FBM2xx module and Type 2 termination assembly before disconnecting the existing cable.
- Confirm that the replacement cable is specified for the required Type 2 P/PVC termination arrangement.
- Isolate the relevant field and control circuits according to the plant maintenance procedure.
- Record the existing termination points and cable routing before removing the cable.
- Inspect the termination assembly and interface connections for contamination, mechanical damage, or loose connections.
- Route the replacement cable through the established cabinet wiring path without excessive bending or mechanical stress.
- Maintain appropriate separation from high-interference wiring where the cabinet installation requires it.
- Ensure all cable connections are fully seated and mechanically secured before restoring the associated circuits.
- Perform continuity checks when required by the applicable maintenance procedure.
- Verify the associated FBM channels after installation to confirm correct signal transmission.
- Compare the installed cable identification with the system wiring drawings and maintenance records.
- Record the replacement and installation information in the system maintenance documentation.
Related Components
| Component | Function |
|---|---|
| Foxboro FBM2xx Modules | Provide field input and output interfaces |
| Type 2 Termination Assembly | Provides the field-side wiring interface |
| Field Wiring | Connects field instruments and control devices with the termination assembly |
| I/A Series 200 Control System | Processes field signals and executes control functions |
| RH931RN | Current replacement model corresponding to P0931RN |
Recommended Related Models
| Model | Application / Relationship |
|---|---|
| RH931RN | Current replacement model for P0931RN |
| P0916DV | Type 2 P/PVC termination cable for a shorter connection |
| P0916DW | Type 2 P/PVC termination cable for a longer connection |
| P0916DX | Type 2 P/PVC termination cable for extended termination connections |
| P0931RM | Type 1 termination cable in the same 2-meter cable family |
| P0931RQ | Type 4 termination cable in the same 2-meter cable family |
Key Advantages
- Type 2 P/PVC termination cable for Foxboro I/A Series 200 systems.
- Suitable for compatible FBM2xx field wiring arrangements.
- Supports organized field-to-FBM signal connections.
- Uses established P/PVC industrial cable construction.
- Useful for maintenance of legacy Foxboro installations.
- Provides a current replacement path through RH931RN.
Technical FAQs
What is the Foxboro P0931RN used for?
P0931RN is a Type 2 P/PVC termination cable used to connect compatible field termination assemblies with FBM2xx interfaces in Foxboro I/A Series 200 systems.
What is the replacement model for P0931RN?
RH931RN is the current replacement model corresponding to P0931RN in the Type 2 P/PVC termination cable family.
What is the difference between P0931RN and P0931RM?
Both models are associated with 2-meter Type 2/Type 1 termination cable arrangements respectively. P0931RN is the Type 2 P/PVC version, while P0931RM is identified as the Type 1 termination cable version.
What does P/PVC mean on the P0931RN?
P/PVC refers to a polyurethane outer jacket combined with semi-rigid PVC primary conductor insulation. The specified temperature range for this cable construction is -20 to +80°C (-4 to +176°F).