Overview
Configured for FBM termination signal connection in Foxboro I/A Series and EcoStruxure Foxboro DCS systems, the Foxboro P0931RM (P0931RM DIN FBM Termination Cable) provides direct physical/electrical execution between 200 Series Fieldbus Modules and Field Termination Assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0931RM |
| Brand | Foxboro / Invensys (Schneider Electric) |
| Origin | United States |
| Product Type | DIN FBM Termination Cable / Type 1 Cable Assembly |
| System Compatibility | EcoStruxure Foxboro DCS / Foxboro I/A Series 200 Series FBMs |
| Cable Type | Type 1 DIN FBM Termination Assembly Cable |
| Baseplate Connector | 37-pin D-subminiature interface |
| Termination Assembly Connector | 25-pin / 37-pin subminiature interface depending on TA configuration |
| Shielding | Overall braided shield for EMI/RFI noise suppression |
| Jacket Material | Industrial polyurethane or LSZH sheath |
| Weight | Approximately 0.45 kg depending on cable length configuration |
| Dimensions | Cable assembly dimensions vary by length configuration |
| Operating Temp | -20 deg C to +70 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Relative Humidity | 5% to 95% RH, non-condensing |
| Power Consumption | Passive cable assembly, no external power consumption |
| Environmental Rating | ISA S71.04 Class G3 harsh environment compatible |
DCS Field Signal Interface and Isolation Characteristics
The Foxboro P0931RM cable assembly connects FBM baseplates with corresponding Field Termination Assemblies to transfer analog and digital field signals. Therefore, it maintains the physical signal path required for Foxboro 200 Series I/O modules.
The cable structure uses shielded conductors to reduce electromagnetic interference during field signal transmission. In addition, the assembly supports Foxboro channel-to-channel isolation concepts when paired with compatible FBM hardware and termination assemblies.
For process instrumentation loops, Foxboro systems typically support communication methods such as 4-20 mA HART loop protocol, FOUNDATION Fieldbus, and Profibus PA through compatible interface modules. However, the P0931RM itself functions as a passive interconnection cable and does not perform protocol conversion or signal processing.
Frequently Asked Questions
Q: Does the Foxboro P0931RM cable require an external power supply?
A: No. The P0931RM is a passive termination cable assembly and does not consume electrical power.
Q: Can the P0931RM be installed without considering cable shielding?
A: No. The shield layer should follow the applicable Foxboro installation practice, including proper grounding and separation from high-noise power wiring.
Q: Does the P0931RM provide hot-swap functionality for FBM modules?
A: No. Hot-swap operation depends on the installed FBM module, baseplate, and DCS configuration. The cable assembly only provides the physical connection path.
Field Installation Guidelines
- Verify the cable part number and connector type before installation to match the installed FBM baseplate and termination assembly.
- Install the cable with sufficient mechanical support and avoid excessive bending or tensile stress on connectors.
- Maintain separation between signal cables and high-voltage power conductors to reduce electromagnetic interference.
- Connect cable shielding according to the Foxboro system grounding requirements. Avoid improper shield termination that may introduce ground loops.
- Confirm that all D-sub connectors are fully seated and mechanically secured before system commissioning.
- Inspect cable routing, strain relief points, and connector locking hardware during maintenance activities.
Reviews
There are no reviews yet.