Bently Nevada 3500/62 133811-03 – Process Variable Monitor | 3500 Series Machinery Protection Platform
Engineering Background: The Bently Nevada 3500 Series is the industry-standard machinery protection system deployed across power generation, oil & gas, petrochemical, and heavy industrial facilities worldwide. Engineered to API 670 standards, the platform delivers continuous, real-time monitoring of critical rotating machinery parameters to prevent catastrophic failures and unplanned downtime.
Product Positioning: The 3500/62 (P/N 133811-03) is a dedicated Process Variable Monitor module within the 3500 rack-based system. It accepts standard process transmitter inputs (4–20 mA, voltage) and converts them into fully conditioned, alarm-capable channels integrated with the 3500 system’s relay and communication architecture. This module is the preferred solution for procurement engineers requiring a single-platform approach to both vibration and process variable monitoring on critical assets.
Complete Technical Specifications
- Manufacturer: Bently Nevada (Baker Hughes)
- Model / SKU: 3500/62 | Part Number: 133811-03
- Series / Platform: 3500 Machinery Protection System
- Module Type: Process Variable Monitor
- Input Channels: 2 process variable input channels
- Input Signal Types: 4–20 mA (current loop), 1–5 VDC, 0–10 VDC
- Input Impedance: 100 kΩ (voltage input)
- Measurement Range: Configurable via System 1 / Rack Configuration Software
- Alarm Setpoints: Alert and Danger setpoints per channel, latching/non-latching configurable
- Relay Outputs: Integrated with 3500 Relay Module (sold separately)
- Communication: TDI (Transducer Dynamic Interface) backplane bus
- Power Supply: Supplied via 3500 rack backplane (no external power required)
- Operating Temperature: 0°C to +65°C (32°F to 149°F)
- Storage Temperature: −40°C to +85°C (−40°F to +185°F)
- Humidity: 5% to 95% RH, non-condensing
- Compliance: API 670, CE, CSA, FM (Class I, Div 2)
- Form Factor: Single-slot 3500 rack module
- Weight: Approx. 800 g
- Country of Origin: USA
Proven Application Environments
- Gas turbines and steam turbines (power generation)
- Centrifugal and reciprocating compressors (oil & gas upstream/midstream)
- Pumps, fans, and blowers in petrochemical plants
- Refinery critical service rotating equipment
- LNG liquefaction train machinery protection
- Offshore platform rotating machinery
- Industrial process plants requiring API 670-compliant monitoring
Engineering Advantages
- Unified Platform: Combines process variable monitoring with vibration/position channels in a single 3500 rack — reducing panel footprint and wiring complexity.
- API 670 Compliance: Meets the most stringent international standard for machinery protection, satisfying EPC contractor and end-user specifications without deviation.
- Flexible Input Conditioning: Accepts both current-loop (4–20 mA) and voltage transmitter outputs, eliminating the need for external signal converters.
- Integrated Alarming: Alert and Danger setpoints with configurable latching behavior, directly driving the 3500 relay module for automated shutdown logic.
- System 1 Integration: Full compatibility with Bently Nevada System 1 software for configuration, trending, and predictive diagnostics.
- Hot-Swap Capable: Module can be replaced under power in non-hazardous areas, minimizing maintenance downtime.
System Architecture & Signal Flow
The 3500/62 module occupies a single slot in the 3500 rack. Process transmitter signals (4–20 mA or voltage) are wired to the module’s I/O terminal block. The module conditions and scales the input, compares values against configured Alert and Danger setpoints, and transmits channel data across the TDI backplane to the 3500 Communication Gateway and Relay Modules. Alarm states are communicated to the plant DCS/SCADA via the gateway module (Modbus, Ethernet/IP, or FOUNDATION Fieldbus, depending on gateway variant). Configuration is performed offline or online via Rack Configuration Software (RCS) or System 1.
Sourcing & Quality Verification
- All units sourced through verified industrial automation supply channels.
- Each module undergoes visual inspection, label verification (P/N, revision, serial number), and functional pre-shipment checks.
- Original Bently Nevada firmware and hardware — no third-party modifications.
- Packaging inspected for transit damage; units shipped in anti-static protective packaging.
- Documentation available upon request: datasheet, declaration of conformity, calibration records (where applicable).
Procurement Process
- Step 1: Confirm part number 133811-03 matches your rack slot and system configuration (consult your 3500 rack drawing).
- Step 2: Submit RFQ via support@konmask.com or place order directly on Konmask.com.
- Step 3: Receive order confirmation with lead time and shipping details within 1 business day.
- Step 4: Shipment with tracking; express and freight options available for urgent plant requirements.
- Step 5: Post-delivery technical support available for installation and commissioning queries.
Technical FAQ
Q: Is 133811-03 compatible with all 3500 rack variants?
A: The 3500/62 module is compatible with standard 3500 racks. Verify your rack’s backplane revision and available slot type before ordering. Contact us if you need compatibility confirmation.
Q: Can this module accept HART-enabled transmitters?
A: The 3500/62 accepts standard 4–20 mA signals. HART communication is carried on the same loop but is not natively processed by this module; a separate HART multiplexer would be required for HART data extraction.
Q: What software is required for configuration?
A: Bently Nevada Rack Configuration Software (RCS) or System 1 software. Konmask can provide guidance on software version compatibility.
Q: Do you provide a warranty?
A: Yes. All units carry a 12-month warranty against manufacturing defects. Contact support@konmask.com for warranty claims.
Q: Can you supply the full 3500 rack system?
A: Yes. Konmask.com stocks a wide range of 3500 Series modules including power supplies, relay modules, communication gateways, and vibration monitors. Contact us for a complete BOM quotation.
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