FOXBORO RH916DB – Field Wiring Termination Cable | I/A Series DCS Platform
Engineering Background
The FOXBORO RH916DB is a factory-engineered termination cable assembly designed for use within the Foxboro I/A Series Distributed Control System (DCS) — one of the most widely deployed process-automation platforms in refining, petrochemical, power generation, and specialty chemical industries. Termination cables serve as the critical last-mile interface between field instruments and the DCS I/O subsystem, ensuring signal integrity, correct pin mapping, and mechanical reliability under continuous industrial service conditions.
Product Positioning
The RH916DB is a direct-replacement, OEM-specification termination cable for I/A Series FBM (Field Bus Module) I/O assemblies. It is sourced and stocked by Konmask.com as part of our curated FOXBORO spare-parts inventory, targeting maintenance engineers, instrument technicians, and procurement specialists who require verified, drop-in-compatible components with minimal lead time.
Complete Technical Specifications
| Manufacturer | Foxboro / Schneider Electric |
| Part Number | RH916DB |
| Assembly Type | Termination Cable (Field Wiring Interface) |
| Compatible Platform | Foxboro I/A Series DCS |
| Applicable FBM Modules | I/A Series FBM I/O subsystem (consult system BOM for exact FBM pairing) |
| Connector Type | Multi-pin DIN / terminal block interface (per OEM specification) |
| Signal Compatibility | Analog (4–20 mA), Digital I/O, RTD, Thermocouple (per FBM type) |
| Cable Construction | Shielded, twisted-pair conductors; PVC outer jacket |
| Operating Temperature | 0 °C to +60 °C (storage: −20 °C to +70 °C) |
| Weight | Approx. 400 g |
| Country of Origin | USA (OEM); verify label on physical unit |
| SKU | RH916DB |
Proven Application Environments
- Oil & Gas Refining — FBM rack field-wiring in hazardous-area marshalling cabinets
- Petrochemical Plants — Continuous process control loops requiring reliable analog signal termination
- Power Generation — Turbine and boiler control systems using I/A Series DCS architecture
- Specialty Chemical — Batch and continuous reactor control with multi-channel I/O termination
- Pulp & Paper / Water Treatment — Legacy I/A Series installations requiring OEM-compatible spare parts
Engineering Advantages
- OEM-Specification Fit — Exact pin-out and connector geometry matching original Foxboro design; no field modification required
- Signal Integrity — Shielded construction minimises EMI/RFI interference on low-level analog signals in electrically noisy plant environments
- Plug-and-Play Replacement — Direct swap for failed or degraded termination cables; reduces MTTR during unplanned shutdowns
- Mechanical Durability — Strain-relief and robust connector housing rated for repeated mating cycles in maintenance-intensive environments
- Traceability — Each unit supplied with part-number labelling consistent with Foxboro documentation for asset-management compliance
System Architecture & Signal Flow
Within the I/A Series DCS architecture, the RH916DB cable bridges the Field Termination Assembly (FTA) or marshalling panel to the corresponding FBM I/O module housed in the FBM enclosure. Signal flow is as follows:
Field Instrument → Junction Box / Marshalling Panel → RH916DB Termination Cable → FBM I/O Module → Nodebus / Fieldbus → I/A Series Workstation
Correct cable selection is critical: the RH916DB must be paired with the specific FBM module for which it was designed. Consult your I/A Series system BOM or contact Konmask technical support to confirm compatibility before ordering.
Sourcing & Quality Verification
- Units sourced from authorised distribution channels or verified surplus with full traceability documentation
- Pre-shipment visual and continuity inspection performed on each unit
- Part number and label verification against Foxboro published documentation
- Packaging inspected for signs of counterfeit, re-marking, or tampering prior to dispatch
- Certificate of conformance available upon request for critical-service applications
Procurement Process
- Confirm Compatibility — Provide your FBM module part number and I/A Series system revision to Konmask support for cross-reference verification
- Request Quote — Contact [email protected] or call +0086 19859288691 for current pricing and lead time
- Place Order — Purchase directly via Konmask.com or via formal PO for B2B accounts
- Shipment & Documentation — Units dispatched with packing list, part-number label, and optional CoC; DHL / FedEx / SF Express available
- Incoming Inspection — Recommended: verify part number, connector condition, and cable continuity upon receipt before installation
Technical FAQ
Q: Is the RH916DB compatible with all I/A Series FBM modules?
A: No. Termination cables are FBM-type specific. The RH916DB is designed for a defined subset of FBM I/O modules. Contact Konmask with your FBM part number to confirm compatibility.
Q: Can this cable be used in SIL-rated safety loops?
A: The RH916DB is a standard DCS termination cable and is not independently SIL-certified. For safety-instrumented system (SIS) applications, consult your functional safety engineer and the applicable Foxboro SIS documentation.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days. Out-of-stock items are subject to sourcing lead time; contact Konmask for current availability.
Q: Do you provide a warranty?
A: Konmask provides a 90-day warranty against defects in materials and workmanship for all verified units. Extended warranty terms available for volume orders.
Q: Can I return a unit if it is incompatible?
A: Yes, subject to Konmask’s return policy. Units must be unused and in original condition. Contact support within 14 days of receipt.
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Contact: [email protected] | +0086 19859288691
