Bently Nevada 3500/54 133396-01 Tachometer Monitor Module

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The Bently Nevada 3500/54 133396-01 is a dedicated tachometer monitor module for the Bently Nevada 3500 machinery protection system. This card is engineered specifically for high-integrity shaft speed supervision and overspeed protection, widely deployed on turbines, compressors and generators where reliable speed trip logic is a core safety requirement.

The 3500/54 accepts pulse signals from magnetic pickups and active speed transducers. It continuously calculates shaft rotational speed and monitors multiple critical speed conditions including overspeed, underspeed, zero-speed, loss of signal and signal abnormality. Compared with general-purpose I/O or auxiliary tach cards, this module delivers higher measurement stability and protection integrity for safety-critical rotating equipment. It supports configurable alarm and trip thresholds, signal fault detection, debounce parameters and voting logic via the official Bently Nevada 3500 configuration software.

When speed readings breach predefined setpoints, the module sends Alert and Danger status over the rack backplane to relay interface modules such as the 3500/60 RIM, to actuate hardwired trip circuits, ESD systems and local alarm panels. It also transmits real-time speed data to System 1 condition monitoring software and plant DCS for trending, logging and post-incident analysis. The module can work with keyphasor signals to support phase reference for rotor dynamic diagnostics when required.

Built as a single-slot hot-swappable module for the 3500 rack platform, the Bently Nevada 3500/54 133396-01 can be replaced during maintenance without shutting down the entire monitoring rack. This capability reduces outage risk for continuous production facilities in power generation, oil and gas, refinery and petrochemical plants. It integrates seamlessly alongside vibration, thrust, dynamic pressure, temperature and relay modules within the same 3500 chassis, fully complying with API 670 machinery protection standards.

We supply genuine surplus, fully tested used and professionally refurbished Bently Nevada 3500/54 133396-01 tachometer monitor modules. Every unit undergoes thorough bench testing before shipment, covering speed measurement accuracy, threshold triggering, fault detection logic, backplane communication and connector integrity inspection. Real item photos, test reports, packing lists and anti-static export packaging are provided for all cross-border B2B orders.

If you need compatible spare parts including magnetic speed pickups, transducer extension cables, terminal blocks, rack power supplies, relay interface modules or other 3500 series cards such as 3500/60, 3500/61, 3500/64M and 3500/65, submit your full part list for combined quotation and consolidated shipment.

We serve plant maintenance teams, EPC contractors, system integrators and industrial end users all over the world. Flexible trade terms including EXW, FOB, CIF and DDP are available. We provide transparent lead time confirmation and dedicated support for safety-critical machinery protection spares.

Send your inquiry today to confirm stock availability and get the latest quotation for the Bently Nevada 3500/54 133396-01 tachometer monitor module.

Specification

Part Number: 3500/54 133396-01 Manufacturer: Bently Nevada, Baker Hughes Product Type: Tachometer Monitor Module Compatible System: Bently Nevada 3500 Machinery Protection Rack Core Measurement: Shaft rotational speed, overspeed, underspeed, zero-speed, signal fault Supported Sensors: Magnetic speed pickup, active speed transducer Configuration: Official Bently Nevada 3500 configuration software Alarm & Trip: Independent Alert and Danger setpoints, configurable debounce and fault detection Data Output: Backplane digital status, compatible with System 1 and plant DCS Form Factor: Single rack slot, hot-swappable Compliance: API 670 Typical Applications: Steam turbine overspeed protection, gas turbine speed monitoring, centrifugal compressor speed supervision, generator shaft speed protection, critical rotating machinery speed interlock Applicable Industries: Power generation, oil & gas, refinery, petrochemical, LNG, pulp and paper, mining, heavy process industry

FAQ

What is the Bently Nevada 3500/54 133396-01 used for? The Bently Nevada 3500/54 133396-01 is a dedicated tachometer monitor module. It tracks shaft speed and provides overspeed, underspeed and zero-speed protection for critical rotating machinery inside the 3500 rack system.

Is 3500/54 different from 3500/65? Yes. The 3500/54 focuses primarily on high-integrity speed and overspeed protection; the 3500/65 combines speed measurement with dedicated keyphasor functions for phase analysis and order tracking.

Can the 3500/54 be hot swapped? Yes. It follows the standard hot-swap design of the 3500 series, allowing replacement while the rack remains powered to minimize plant downtime.

Do you test the 3500/54 before shipment? All stocked units are fully bench tested. We verify speed measurement precision, alarm/trip triggering, loss-of-signal detection and backplane communication. Test records and product photos can be provided on request.

3500/54 133396-01

BENTLY BRAND

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