BENTLY NEVADA 3500/33 184631-01F 16-Channel Relay Output Module – 3500 Series Machinery Protection System
When a relay output module fails in a critical rotating machinery protection system, the consequences are immediate and severe: vibration alarms go unacknowledged, trip signals cannot be executed, and turbines, compressors, or pumps continue operating beyond safe thresholds. Without a functioning relay output module, the entire 3500 Series rack loses its ability to translate monitored data into protective action — leaving multi-million-dollar assets and personnel safety exposed to uncontrolled failure modes. The BENTLY NEVADA 3500/33 184631-01F is not a peripheral accessory; it is the final-stage actuator of your machinery protection logic.
Within the 3500 Series platform — Bently Nevada’s flagship continuous machinery monitoring architecture — the 3500/33 occupies the relay output tier, providing 16 independent relay channels that interface directly with shutdown systems, DCS inputs, and alarm annunciators. The 184631-01F firmware/hardware revision is the current production standard, ensuring full backward compatibility with legacy 3500 racks while supporting modern integration requirements. Globally, the 3500 Series is the de facto standard for API 670-compliant machinery protection in oil & gas, power generation, and petrochemical industries, with the 3500/33 module deployed in thousands of installations across six continents.
Technical Specifications
- Part Number: 3500/33 184631-01F
- Manufacturer: Bently Nevada (Baker Hughes)
- Series: 3500 Machinery Protection System
- Module Type: 16-Channel Relay Output Module
- Number of Relay Channels: 16
- Form Factor: Standard 3500 Series rack-mount module
- Relay Type: Normally energized / normally de-energized (configurable)
- Communication: Backplane interface with 3500 rack system
- Configuration: Via Bently Nevada System 1 / 3500 Rack Configuration Software
- Compliance: API 670, SIL-capable installations
- Weight: 750 g (approx.)
- Revision: 184631-01F
Note: Specifications above are based on published Bently Nevada documentation. Always verify against your system’s engineering drawings and the official datasheet before installation.
Key Features & Benefits
- 16 Independent Relay Channels: Maximizes output density per rack slot, reducing hardware footprint in space-constrained control rooms.
- Configurable Relay Logic: Each channel can be independently configured for normally energized or normally de-energized operation, supporting fail-safe design philosophies.
- Seamless 3500 Rack Integration: Plug-and-play backplane compatibility with all standard 3500 Series racks — no additional wiring adapters required.
- API 670 Compliance: Designed to meet the industry standard for machinery protection systems in rotating equipment applications.
- Software-Configurable: All channel assignments, alarm/trip logic, and relay states are managed through Bently Nevada’s configuration software, enabling rapid commissioning and change management.
- High Reliability Design: Industrial-grade relay contacts rated for demanding process environments with extended operational life.
- Backward Compatible: The -01F revision maintains full compatibility with existing 3500 rack installations, protecting your capital investment.
Industry & Equipment Applications
- Oil & Gas: Upstream compressor trains, midstream pipeline pumping stations, LNG liquefaction turbines
- Power Generation: Steam turbine-generator sets, gas turbines, hydro turbine protection panels
- Petrochemical & Refining: Reactor feed pumps, cracked gas compressors, ethylene plant rotating equipment
- Marine & Offshore: Platform compressors, FPSO machinery protection systems
- Pulp & Paper / Mining: Large motor-driven equipment requiring continuous vibration and position monitoring with relay-based trip outputs
System Integration & Compatible Parts
The 3500/33 184631-01F is designed to operate within the complete Bently Nevada 3500 ecosystem. Compatible and commonly paired components include:
- 3500/15 Power Supply Module — rack power source
- 3500/20 Rack Interface Module (RIM) — system communication gateway
- 3500/22M Transient Data Interface — waveform data acquisition
- 3500/40M Proximitor® Monitor — radial vibration input module
- 3500/42M Proximitor®/Seismic Monitor — combined vibration monitoring
- 3500/45 Position Monitor — axial position and differential expansion
- 3500/50M Tachometer Module — speed and phase reference
- System 1 Software — configuration, trending, and diagnostics platform
Contact Konmask.com for cross-reference assistance and compatible spare parts sourcing.
Our Quality Assurance Process
At Konmask.com, every 3500/33 184631-01F module offered undergoes a structured verification process before dispatch:
- Source Verification: Units are sourced from documented supply chains including authorized distributors, decommissioned plant inventories, and certified refurbishers.
- Visual & Physical Inspection: Boards, connectors, and housings are inspected for damage, corrosion, counterfeit indicators, and revision markings.
- Functional Testing: Where applicable, modules are bench-tested for relay actuation and backplane communication integrity.
- Documentation: Each unit ships with available traceability documentation. Certificates of conformance available upon request.
- Packaging: ESD-safe packaging with moisture barrier protection for international shipment.
How to Order
- Submit an Inquiry: Contact us via email at support@konmask.com or call +0086 19859288691 with your part number and required quantity.
- Receive a Quote: Our team will respond within 1 business day with pricing, lead time, and availability confirmation.
- Order Confirmation: Upon agreement, we issue a proforma invoice and confirm shipping terms (EXW, FOB, CIF available).
- Shipment & Tracking: Parts are dispatched with full tracking. Express options (DHL, FedEx, UPS) available for urgent requirements.
- After-Sales Support: Our technical team remains available post-delivery for installation guidance and warranty queries.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and machinery protection components — not a generalist marketplace.
- Global Sourcing Network: Access to hard-to-find and obsolete Bently Nevada parts through our verified supplier network.
- Technical Expertise: Our team understands 3500 Series architecture — we speak your engineering language.
- Fast Response: Inquiry-to-quote in under 24 hours. Emergency sourcing support available.
- Flexible Trade Terms: T/T, L/C, and other payment methods supported. Export documentation provided for international buyers.
- Trusted by Industry: Serving EPC contractors, plant maintenance teams, and MRO procurement departments worldwide.
Frequently Asked Questions
Q: Is the 3500/33 184631-01F still in production?
A: The 3500 Series remains an active product line under Baker Hughes (Bently Nevada). However, specific revision availability varies. Contact us to confirm current stock status for the 184631-01F revision.
Q: Can this module be used as a direct replacement for earlier 3500/33 revisions?
A: The 184631-01F revision is designed for backward compatibility within the 3500 rack platform. However, always verify firmware and rack configuration compatibility with your system documentation or a qualified Bently Nevada engineer before installation.
Q: Do you supply new, refurbished, or used units?
A: We supply units across all conditions depending on availability and customer requirements. Condition is clearly stated in the quotation. All units pass our QA inspection process regardless of condition grade.
Q: What is the lead time for the 3500/33 184631-01F?
A: Lead time depends on current stock. In-stock units ship within 3–5 business days. For sourced units, typical lead time is 2–4 weeks. Contact us for real-time availability.
Q: Can you provide export documentation for international shipments?
A: Yes. We provide commercial invoices, packing lists, certificates of origin, and other export documents as required by your customs authority.
Q: What warranty do you offer?
A: We offer a standard 90-day warranty against defects in materials and workmanship. Extended warranty options are available — please inquire at the time of order.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
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