Machinery Protection Solution — Bently Nevada 3500/25 149369-01 | 3500 Series
Where This Product Is Used
The Bently Nevada 3500/25 149369-01 Transient Data Interface (TDI) Module is deployed in continuous machinery protection systems across heavy industry. Typical installation environments include:
- Oil & Gas: Compressor trains, gas turbines, and pipeline pumping stations requiring real-time vibration capture during transient events (startup, shutdown, speed changes).
- Power Generation: Steam turbine-generator sets in thermal and combined-cycle plants where transient waveform data is critical for root-cause analysis.
- Petrochemical & Refining: Centrifugal and reciprocating compressors in ATEX/IECEx classified areas demanding continuous orbit and waveform monitoring.
- LNG Facilities: Main refrigerant compressor protection racks where transient data must be archived for regulatory compliance and post-event forensics.
- Marine & Offshore: Topside rotating equipment on FPSOs and offshore platforms integrated with DCS/SCADA via Modbus or System 1 software.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Part Number | 3500/25 |
| Revision / Catalog ID | 149369-01 |
| Module Type | Transient Data Interface (TDI) |
| Series | 3500 Machinery Protection System |
| Rack Compatibility | 3500 Rack (3500/05, 3500/05-01, 3500/05-02) |
| Channels | Up to 4 dynamic input channels per module |
| Sampling Rate | High-speed simultaneous sampling for transient capture |
| Communication | Internal rack bus; System 1 software integration |
| Power Supply | Supplied via 3500 rack backplane |
| Operating Temperature | 0 °C to +60 °C |
| Weight | 400 g (approx.) |
| Certifications | CE, SIL, FM, CSA (refer to OEM datasheet for full listing) |
Why Engineers Specify This Model
- Transient Capture Capability: Unlike standard monitor modules, the 3500/25 records full waveform data during machine transients — startup coast-up, shutdown coast-down, and load changes — enabling Bode, Nyquist, and cascade plots in System 1.
- Seamless 3500 Rack Integration: Slots directly into any standard 3500 rack without additional wiring; shares power and communication backplane with protection monitors.
- Non-Intrusive Data Acquisition: Acquires data in parallel with active protection channels — no impact on trip logic or safety function.
- Long-Term Trend Archiving: Supports continuous data logging for predictive maintenance programs and insurance/regulatory audit trails.
- Proven Field Reliability: Widely installed across Baker Hughes / GE legacy fleets; spare parts availability is a key driver for brownfield plant maintenance contracts.
Complete System Bill of Materials
A typical 3500 Series rack incorporating the 3500/25 TDI module includes the following components:
- 3500/05 Rack (19-inch, 3U)
- 3500/15 Power Supply Module
- 3500/20 Rack Interface Module (RIM)
- 3500/25 149369-01 Transient Data Interface Module ← This item
- 3500/40M or 3500/42M Proximitor / Seismic Monitor
- 3500/45 Position Monitor (if applicable)
- 3500/50 Tachometer Module
- 3500/92 Communication Gateway Module (Modbus / Ethernet)
- Bently Nevada 3300 XL or 3300 8mm Proximitor Sensors
- System 1 Evolution Software License
Compliance & Industry Standards
- API 670 — Machinery Protection Systems (5th Edition): The 3500 Series is the reference platform for API 670-compliant installations.
- IEC 61511 / IEC 61508 — Functional Safety: SIL-rated configurations available; consult OEM SIL manual 3500-SIL-MAN.
- ATEX / IECEx — Hazardous Area: Barrier and isolator accessories available for Zone 1/Zone 2 installations.
- ISO 10816 / ISO 20816 — Mechanical vibration evaluation standards referenced in alarm/trip setpoint engineering.
- CE Marking — EMC Directive 2014/30/EU compliance.
Quality Assurance & Sourcing
Konmask.com sources industrial automation components through verified supply channels with documented traceability:
- Inspection: Each unit undergoes visual inspection, label verification, and functional pre-check prior to dispatch.
- Packaging: ESD-safe anti-static bags, foam-lined cartons, and moisture-barrier sealing for international freight.
- Documentation: Certificate of conformance (CoC) and test records available upon request.
- Warranty: 12-month replacement warranty against manufacturing defects.
- Lead Time: In-stock units ship within 3–5 business days; expedited options available.
How to Source This Part
- Submit an RFQ: Email support@konmask.com with your required quantity, delivery timeline, and destination port.
- Receive Quotation: Our team responds within 24 hours with pricing, lead time, and shipping options (DHL / FedEx / sea freight).
- Order Confirmation: Pro-forma invoice issued; payment via T/T bank transfer or agreed terms.
- Dispatch & Tracking: Shipment notification with AWB/tracking number provided upon dispatch.
- After-Sales Support: Technical queries and warranty claims handled by our engineering support team.
📞 +0086 19859288691 | ✉ support@konmask.com
Application-Specific FAQ
Q: Is the 3500/25 149369-01 compatible with older 3500 racks manufactured before 2005?
A: Yes. The 3500/25 is backward-compatible with all standard 3500 rack generations. Verify rack firmware version with Bently Nevada technical support if integrating with legacy System 1 v5.x installations.
Q: Can this module replace a 3500/25-01 or 3500/25-02 revision?
A: Revision compatibility depends on rack firmware and System 1 software version. Contact our team with your existing rack configuration for a compatibility assessment before ordering.
Q: Do you supply the module with a System 1 software license?
A: We supply hardware only. System 1 software licenses are OEM-controlled and must be procured directly from Baker Hughes / Bently Nevada or an authorized distributor.
Q: What is the typical application for transient data vs. standard protection monitoring?
A: Standard protection monitors (e.g., 3500/40M) provide continuous alarm/trip functions. The 3500/25 TDI supplements this by capturing high-resolution waveform data during transient machine events for diagnostic and predictive maintenance purposes — it does not replace protection monitors.
Q: Can you provide export documentation for customs clearance?
A: Yes. We provide commercial invoice, packing list, and certificate of origin. HS Code for this module is typically 8537.10 or 9031.80 depending on destination customs classification — confirm with your freight forwarder.
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Contact: support@konmask.com | +0086 19859288691


