Description
Product Introduction
The Foxboro H929049B0500 is a pre-fabricated, high-reliability interconnect cable assembly designed for Foxboro I/A Series and EcoStruxure DCS platforms. It bridges the physical gap between 200 Series baseplate slots—where Fieldbus Modules (FBMs) reside—and field terminal blocks housed on Termination Assemblies (TAs).
By utilizing factory-molded, pin-to-pin verified cabling like the H929049B0500, plant engineers eliminate tedious point-to-point field wiring within the DCS cabinet. The cable features heavy overall shielding and robust connector strain reliefs to safeguard sensitive analog and discrete signals against industrial electromagnetic interference (EMI), ambient vibration, and cabinet thermal stress. The suffix 0500 designates a standard 5.0-meter cable length.
Key Technical Specifications
| Parameter | Value |
| Manufacturer | Foxboro (Invensys / Schneider Electric) |
| Part Number | H929049B0500 |
| Series | Foxboro 200 Series Interconnect Hardware |
| Cable Type | Multi-conductor shielded signal & power extension cable |
| Connector A | Multi-pin sub-D / baseplate interface connector |
| Connector B | Multi-pin Termination Assembly (TA) header connector |
| Cable Length | 5.0 Meters (~16.4 Feet) |
| Shielding | Foil/Braid overall shield with drain wire for high EMI rejection |
| Flame / Jacket Rating | Industrial PVC / Low-smoke flame-retardant outer sheath |
| Operating Temp Range | -20°C to +70°C (-4°F to +158°F) |
Application Scenarios & The “Trench” Experience
The Trench Story
It is 03:30 AM during a fast-track DCS modernization project at a paper mill. Technicians are mounting remote DIN-rail Termination Assemblies in an adjacent marshalling cabinet 4 meters away from the primary FBM rack. An old, hand-crimped interconnect cable developed a broken internal drain wire, triggering intermittent channel open-circuit errors on an FBM201 analog input card. The shift technician retrieved a factory-sealed H929049B0500 cable from stock, routed the 5-meter line through the wire trough, and latched the multi-pin connectors into place. Signal integrity was restored across all 8 loop channels immediately, allowing loop check testing to resume without delay.
Target Application Scenarios
- Cabinet-to-Cabinet Interconnection: Links main 200 Series FBM baseplate racks in primary DCS enclosures to field termination assemblies located in nearby marshalling bays.
- DCS Modernization & Retrofits: Enables clean cable routing when re-using existing field termination structures while installing modern 200 Series baseplates.
- High-Density Signal Separation: Segregates field wiring field land points from sensitive controller backplanes to streamline cabinet maintenance.
Transparency SOP: Quality Assurance & Testing
We don’t just ship boxes; we test them on actual Foxboro 200 Series test benches. Every H929049B0500 cable assembly undergoes a strict 5-stage workbench validation process prior to dispatch:
- Inbound Visual & Mechanical Inspection: High-magnification check of connector pins, alignment guides, side latching screws, outer jacket integrity, and molded strain reliefs.
- 100% Pin-to-Pin Continuity Check: Automated cable harness testing to verify complete electrical continuity across every internal conductor pin.
- Hi-Pot & Insulation Resistance Test: High-voltage isolation testing between adjacent pins and overall shield braid to ensure no insulation degradation or micro-shorts exist.
- Live Baseplate Loop & Noise Validation: The cable is connected between a live Foxboro 200 Series baseplate and a matching Termination Assembly with simulated I/O loads to verify clean, noise-free signal transmission in software.
- Anti-Static ESD Packaging: Cleared cables are coiled cleanly to maintain minimum bend radius limits, contact-cleaned, and sealed in heavy anti-static ESD protective bags.
H929049B0500
The Veteran’s Tech Trap Guide
- ⚠️ Deciphering the Part Number Length Code:
In Foxboro cable numbering conventions, the last four digits indicate the cable length. 0500 represents 5.0 meters. Ensure a 5-meter cable provides adequate length without excessive coiling in cable troughs.
- ❗ Never Exceed Minimum Bend Radius Limits:
Avoid sharp 90-degree bends right at the connector boot. Kinking multi-conductor shielded cable damages internal drain wires and foil shielding, leading to noise pickup on high-accuracy analog signals.
- ⚠️ Secure Both Locking Screws/Latches:
Always hand-tighten the connector thumbscrews or side latching mechanisms at both the baseplate base and the Termination Assembly end to prevent vibration from backing the connector off over time.
- ❗ Verify Terminal Assembly (TA) Compatibility:
Ensure the matching TA card installed in your cabinet uses the multi-pin interface header designed for the H929049 cable series.
Frequently Asked Questions (FAQ)
Q: What does the Foxboro H929049B0500 cable do?
A: The is a 5-meter pre-fabricated cable assembly used to connect Foxboro 200 Series FBM baseplate slots to matching DIN-rail mounted Termination Assemblies (TAs) in DCS control cabinets.
Q: How long is the cable?
A: The “0500” suffix indicates a length of 5.0 meters (approximately 16.4 feet).
Q: Can this cable be used with both Analog and Discrete FBM modules?
A: Yes, provided the matching Termination Assembly (TA) and baseplate connector interface support the H929049 cable wiring pinout for that specific FBM type.
Q: What warranty covers this pre-tested cable assembly?
A: Every cable sold includes a full 12-Month Functional Warranty. If the cable experiences hardware failure or signal degradation under normal operating parameters within 365 days, we provide an immediate unit replacement or full credit.
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