Bently nevada 3500/46M-03-00 Monitoring module
The 3500/46M-03-00 is a 4-channel monitoring module specifically designed for hydropower units from Bently Nevada's 3500 series. Its core function is to receive signals from sensors such as displacement, velocity, and air gap sensors to perform real-time monitoring and alarms for key parameters of the hydropower generator unit, including shaft vibration, air gap, and stator end winding (SEW). It adapts to multiple operating conditions, meets API 670 standards, and provides protection and status management for critical equipment in hydropower, pumped storage, and other industries, ensuring the safe and stable operation of the units.
Core Parameters and Specifications
Item Parameters
Product Model 3500/46M-03-00 (Hydro Monitor Hydropower Unit Monitoring Module)
Channel Configuration 4 channels, paired programming (channels 1/2 and 3/4 each execute one function)
Input Type Compatible with proximity probes such as 3300 XL, Velomitor velocity sensors, acceleration sensors, air gap sensors, and dynamic pressure sensors
Input Impedance Proximity/Acceleration: 10kΩ; Velomitor: 3.5MΩ; Multi-mode positive input I/O: 50kΩ
Sensitivity (Typical) Radial vibration 0.79–7.87 mV/μm, air gap 0.20–0.55 mV/μm, velocity 20 mV/mm/s
Multi-mode Capability Supports 8 machine states, thresholds can be switched via I/O contacts or software, adapting to start-up/shutdown/load changes and other operating conditions
Output Characteristics Features buffered sensor output (short-circuit protection), 4 configurable relay contacts, and supports alarm voting logic.
Operating temperature: -40~85℃, suitable for harsh outdoor/plant environments in hydropower plants.
Power consumption: Typical 7.7W, compatible with 3500 frame power supplies.
Compliance: Meets API 670 standards, suitable for monitoring and protection needs of critical hydropower equipment.
Email: xmxblynn@163.com
Phone: +86 18059884797
Core Functions
**Multi-parameter Integrated Monitoring:** Configurable parameters include radial vibration (including shaft clearance + NX amplitude for safety pin breakage alarm), axial displacement, differential expansion, air gap, SEW vibration, and dynamic pressure, covering critical conditions of the hydropower unit's shaft system and stator.
**Multi-mode Operating Condition Adaptation:** 8 sets of alarm parameters (early warning/danger thresholds + delay), with automatic switching between random operating conditions (start/stop/grid connection/full load), adapting to full-process monitoring from low speed to rated speed.
**Alarm and Protection Linkage:** Supports alarm voting logic, configurable early warning/danger dual-level thresholds, driving relay output to trigger shutdown or audible and visual alarms, complying with API 670 protection requirements.
**Signal Conditioning and Filtering:** Integrates signal amplification, filtering, and linearization processing to reduce noise interference, ensure measurement accuracy, and provide buffered sensor output for offline analysis.
**System Integration and Compatibility:** Programmable via 3500 framework configuration software, compatible with 3500/93 displays and System 1 analysis software, enabling data visualization and remote diagnostics.
**System Integration and Compatibility:** Programmable via 3500 framework configuration software, compatible with 3500/93 displays and System 1 analysis software, enabling data visualization and remote diagnostics. Functions, Applications, and Typical Scenarios
Hydrogen Generator Unit Monitoring: Real-time monitoring of shaft radial vibration, axial displacement, air gap, and SEW vibration of turbines and generators to prevent shaft imbalance, uneven air gap, stator loosening, and other faults, ensuring long-term operation.
Pumped Storage Units: Adapted to frequent start-stop and variable operating conditions, it accurately covers all operating conditions (pumping, power generation, phase adjustment) through multi-mode threshold switching, reducing false alarms.
Safety Pin Fracture Protection: The radial vibration channel, combined with shaft clearance and NX amplitude, can quickly identify safety pin fracture, preventing serious damage to the unit.
Stator End Winding (SEW) Monitoring: Adapted to SEW vibration sensors, it detects the risk of stator insulation/support loosening, extending stator life.
Status Management and Fault Diagnosis: Provides trend data for operation and maintenance, and supports preventative maintenance in conjunction with System 1 software analysis, reducing unplanned downtime losses.
Email: xmxblynn@163.com
Phone: +86 18059884797
Other related product models recommended:
3500/42M 176449-02
3500/15 125840-01
3500/15 127610-01
3500/70M
3500/42 140471-01
3500/22M 146031-01
3500/33 149992-01
3500/72 140482-01
125720-01
3500/32 125712-01
3500/22M 146031-01 (Small Card)
3500/50 133442-01 (Small Card)
133396-01
3500/93 135785-02
3500/15-02-02-01 127610-01
3500/15-02-02-01 125840-01
3500/44M 176449-03
1900/65A-01-01-03-00-01
3500/42 135489-02
1900/65A (167699-02)
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