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86497-01-02-02-00 | Bently Nevada | Interface Module
Description
Technical Overview
The Bently Nevada 86497-01-02-02-00 Interface Module is a high-integrity, field-proven component engineered for mission-critical machinery protection and condition monitoring systems within the Bently Nevada 3500 Machinery Protection System (MPS) platform. Manufactured by Baker Hughes—following its acquisition of Bently Nevada—the module serves as a dual-channel, isolated analog input interface designed to condition, isolate, scale, and transmit critical vibration, position, and velocity signals from proximity probes, accelerometers, and other transducers. Its architecture ensures compliance with IEC 61508 SIL 2 functional safety requirements when integrated into certified system configurations, making it indispensable in oil & gas, power generation, petrochemical, and heavy industrial applications where uptime, regulatory adherence, and predictive maintenance are non-negotiable. The module features galvanic isolation up to 1500 VAC between field inputs and system backplane, eliminating ground loop interference and enhancing signal integrity across electrically noisy environments. It supports configurable scaling (mV/mil, mV/µm, V/mm/s, etc.), programmable alarm thresholds, and real-time status reporting via the 3500 rack’s communication bus. Built for continuous 24/7 operation under demanding ambient conditions (–40 °C to +70 °C operating temperature), the 86497-01-02-02-00 delivers sub-millisecond response time and <0.1% linearity error—ensuring fidelity in both transient event capture and steady-state trending. As an OEM-certified replacement part, it maintains full backward compatibility with legacy 3500 racks while supporting modern diagnostic firmware updates via Asset Management Systems such as System 1™.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Model Number | 86497-01-02-02-00 |
| Manufacturer | Baker Hughes (Bently Nevada) |
| Product Type | Dual-Channel Isolated Analog Input Interface Module |
| Condition | New, Factory-Sealed, OEM-Certified; Also available refurbished (ISO 9001-certified reconditioning process) |
| Warranty | 24-month limited warranty covering material defects and workmanship; extended warranty options available |
| Dimensions (H × W × D) | 13.5 cm × 5.1 cm × 22.9 cm (5.3″ × 2.0″ × 9.0″) |
| Weight | 0.78 kg (1.72 lbs) |
| Country of Origin | United States of America |
| Power Supply | +24 VDC nominal (±10%), 250 mA max per channel |
| Input Channels | 2 independent, isolated channels |
| Input Types Supported | Dynamic (AC-coupled): proximity probe outputs (–2 to –18 VDC bias), seismic velocity sensors, accelerometers (IEPE); Static (DC-coupled): RTDs, thermocouples (with optional signal conditioner), DC voltage/current |
| Isolation Rating | 1500 VAC RMS channel-to-channel and channel-to-backplane |
| Frequency Response | 0.5 Hz to 10 kHz (±3 dB), configurable low-pass filtering (10 Hz to 10 kHz) |
| Resolution | 16-bit ADC per channel |
| Accuracy | ±0.1% of full-scale range (FSR) at 25 °C; ±0.2% FSR over full temperature range |
| Alarm Outputs | 2 form-C relay outputs (3 A @ 250 VAC resistive), independently assignable per channel |
| Communication Interface | 3500 Rack Bus (RS-485-based, 115.2 kbps); compatible with 3500/20, /22, /25, /40, /42, and /50 monitors |
| Environmental Rating | IP20; Operating Temp: –40 °C to +70 °C; Storage Temp: –40 °C to +85 °C; Humidity: 5–95% RH non-condensing |
| EMC Compliance | IEC 61000-4-2 (ESD), -4-3 (Radiated RF), -4-4 (EFT), -4-5 (Surge), -4-6 (Conducted RF) |
| Safety Certification | UL 61010-1, CSA C22.2 No. 61010-1, CE marked (LVD, EMC, RoHS) |
| Functional Safety | SIL 2 capable per IEC 61508 when used in certified 3500 system architecture |
Key Features
- Dual-Channel Redundancy Support: Enables seamless integration into fault-tolerant 3500 architectures with automatic channel switchover upon failure detection.
- Configurable Signal Conditioning: Onboard software-selectable gain, offset, filtering, and coupling modes eliminate external signal conditioners—reducing footprint, wiring complexity, and failure points.
- Galvanic Isolation Integrity: 1500 VAC isolation barrier prevents ground loops, suppresses common-mode noise, and protects downstream monitoring hardware from field-side transients.
- Real-Time Diagnostics & Health Monitoring: Continuous self-test of analog path, relays, and communication links; status reported via front-panel LEDs and System 1™ asset health dashboards.
- OEM Firmware Compatibility: Fully supports all current and legacy 3500 firmware versions (v4.x through v9.x); enables remote configuration and calibration via Bently Nevada System 1 or 3500 Configuration Software.
- Modular Hot-Swap Capability: Designed for live insertion/removal without powering down the 3500 rack—minimizing unplanned downtime during maintenance or expansion.
- Traceable Calibration Documentation: Each unit ships with NIST-traceable calibration certificate (as-new units) and full metrology data log for compliance with ISO 17025 and API RP 670 requirements.
- Robust Mechanical Design: Aluminum alloy housing with EMI-shielded enclosure, gold-plated connectors, and conformal coating for corrosion resistance in harsh industrial atmospheres.
Applications
- Turbomachinery Protection: Real-time monitoring of radial vibration, axial position, and differential expansion on steam/gas turbines, compressors, and pumps in refineries and LNG facilities.
- Rotating Equipment Health Assessment: Integration with vibration analysis systems for predictive maintenance of motors, gearboxes, and fans in power plants and manufacturing lines.
- Critical Infrastructure Monitoring: Condition-based surveillance of hydroelectric generator sets, nuclear coolant pumps, and marine propulsion systems where failure consequences are severe.
- Regulatory Compliance Environments: Deployment in API RP 670-compliant machinery protection systems across upstream, midstream, and downstream oil & gas operations.
- Retrofit & Modernization Projects: Direct replacement for aging 86497-01-01-02-00 or 86497-01-02-01-00 modules in existing 3500 installations—preserving capital investment while upgrading performance and diagnostics.
- High-Integrity Alarm Management: Providing SIL 2-rated alarm initiation for emergency shutdown (ESD) and fire & gas (F&G) systems in conjunction with Triconex or DeltaV safety controllers.
- Asset Performance Management (APM) Integration: Seamless data streaming to cloud-based platforms (e.g., Baker Hughes Nexus, Azure IoT) for AI-driven anomaly detection and remaining useful life (RUL) modeling.
Additional information
| Weight | 1.14 kg |
|---|---|
| Country of Origin | USA |
| Dimension | 5.1 x 25.2 x 12cm |
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