Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > Bently Nevada > BENTLY 3500/33 149986-01 Speed Monitoring Module in 3500 Series Monitoring System

BENTLY 3500/33 149986-01 Speed Monitoring Module in 3500 Series Monitoring System

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Product Details

Material	Other, Global universal model	Condition	Other, Global universal model
Task	Other, Global universal model	Mathematical Model	Other, Global universal model
Signal	Other, Global universal model	Customized	Non-Customized
Structure	Other, Global universal model	Operating temperature	-40℃~+85℃
Humidity	5%~95% (non-condensing)

Product Description

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The 3500/33 (model 149986-01) is a speed monitoring module in the Bently Nevada 3500 series monitoring system, specifically designed for speed measurement and overspeed protection of rotating machinery. It can real-time monitor shaft speed and provide reliable alarm and shutdown control signals. The following is a compilation of relevant content from its user manual:

Product Overview

As a core component of the 3500 system, this module realizes speed monitoring of key equipment such as steam turbines, compressors, and generators by receiving pulse signals from magnetoelectric speed sensors or photoelectric sensors. It supports multiple speed measurement modes (e.g., instantaneous speed, average speed) and can trigger alarm or shutdown commands according to preset thresholds, meeting the strict requirements of industrial equipment for speed protection. Its redundant design and fast response characteristics make it comply with specifications for mechanical protection in industry standards such as API 670.

Technical Parameters

Power Supply: 24V DC input, typical power consumption ≤ 4W.
Sensor Compatibility:

Magnetoelectric sensors: Input signal amplitude 50mV to 10V peak-to-peak, frequency range 10Hz to 10kHz;
Photoelectric sensors: Compatible with NPN/PNP output types, response frequency ≤ 5kHz.

Measurement Range: 0 to 60,000 RPM (resolution 0.1 RPM).
Accuracy: ±0.01% FS (full scale), stable within the range of 100 RPM to rated speed.
Alarm and Shutdown Settings: Supports 4 levels of programmable thresholds (e.g., low speed warning, overspeed danger), response time ≤ 10ms.
Output Signals:

Analog output: 2 channels of 4-20mA (proportional to the full-scale speed of the module);
Relay output: 2 sets of normally open/normally closed contacts (capacity 250V AC/5A, 30V DC/5A).

Isolation Performance: Optoelectronic isolation between sensor input and module backplane, isolation voltage ≥ 2500V AC (1 minute).
Operating Environment:

Operating temperature: -40°C to 70°C;
Storage temperature: -50°C to 85°C;
Humidity: 5% to 95% (non-condensing);
Vibration resistance: 5g (10Hz-2000Hz);
Shock resistance: 25g (11ms half-sine wave).

Functional Features

Multi-Mode Measurement: Supports instantaneous speed (real-time refresh), average speed (filtered stable value), and speed trend analysis, adapting to different monitoring scenarios.
Redundant Design: Configurable with dual sensor inputs, automatically switching to the backup sensor when the main sensor fails to ensure uninterrupted measurement.
Overspeed Protection Logic: Built-in independent overspeed detection circuit, with dual verification by system software to avoid false triggers, meeting SIL 2 safety level requirements.
Fault Self-Diagnosis: Monitors faults such as sensor disconnection, signal loss, and power supply abnormalities, uploads diagnostic information through the system bus, and lights up the panel fault indicator.
Synchronous Trigger Function: Can output speed synchronous pulse signals to trigger order analysis of vibration modules, realizing correlated diagnosis of speed and vibration signals.

Installation and Wiring

Installation Position: As a half-height module of the 3500 system, it is installed in slots 3-14 of the full-size rack or slots 3-7 of the mini rack, and needs to communicate with the 3500/20 RIM module.
Wiring Method:

Sensor input: Connect magnetoelectric/photoelectric sensors through the rear terminals. For magnetoelectric types, distinguish between signal lines and shielding layers (single-point grounding);
Analog output: 4-20mA signals are connected to recorders or DCS systems, paying attention to impedance matching (≤500Ω);
Relay output: Connect to external alarm devices or shutdown circuits, select normally open/normally closed contacts according to logical requirements.

Installation Notes: Sensor cables must be kept away from high-voltage circuits to avoid electromagnetic interference; power off the rack before wiring to ensure terminal tightness.

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

Contact Us

Guizhou Yuanmiao Automation Equipment Co., Ltd.: Contact nameyezi
Chat Now; AddressXixiu District, Anshun, Guizhou

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Product Categories

ABB	Bently Nevada	TRICONEX	GE
ICS Triplex	HIMA	MOTOROLA	WOODWARD
HONEYWELL	Foxboro	Schneider Modicon	YOKOGAWA
EPRO	MOOG	Westinghouse	Reliance
Emerson	B&R	ALSTOM	LAM
KONGSBERG	FANUC	National Instruments	Kollmorgen
Other Brands	Rexroth	PROSOFT	Vibro-meter
Allen-Bradley	ZYGO	Praxis	METSO

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Product Tags:

3500/33 | 149986-01 | Speed Monitoring Module in 3500 Series Monitoring System

BENTLY 3500/33 149986-01 Speed Monitoring Module in 3500 Series Monitoring System

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