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Shenzhen Changxin automation equipment Co., Ltd
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Contact Name: Anne
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Bently Nevada 3500/46M Hydroelectric Generator Set Specialized Four-Channel Monitoring Module
3500/46M Module
I. Product Description
3500/46M is a multi-mode water flow monitoring module specifically designed for hydroelectric turbines in the 3500 series of products. It is tailored for hydroelectric power stations and uses common hardware part numbers: 176449-06, 140734-06. It is compatible with five types of sensors: eddy current, speed, acceleration, air gap, and dynamic pressure. It is used to monitor special measurement points such as turbine shaft vibration, axial thrust displacement, stator air gap, dynamic water pressure, and bearing vibration. It supports up to 8 sets of automatic switching of alarm thresholds for different operating conditions and is compatible with multiple operation modes such as turbine start-stop, no-load, power generation, and pumping. It can be combined with key signals for vibration spectrum fault analysis and supports hot-swappable chassis. It complies with API670 and SIL safety standards and is the exclusive core acquisition board for the TSI system in hydroelectric power plants.
Key Technical Parameters
Model: 3500/46M, Hardware Part Number: 176449-06
Channel Configuration: 4 independent configurable measurement channels, supporting two-way grouping
Compatible Sensors: Eddy current probes, speed sensors, acceleration sensors, air gap sensors, dynamic pressure sensors
Supported Measurement Types: Hydraulic radial vibration, axial thrust, stator air gap, casing vibration, dynamic water pressure, shaft eccentricity, shaft absolute position
Sensitivity Options: 3.94mV/μm, 7.87mV/μm, 20mV/(mm/s) and other multiple levels of adaptability
Frequency Response: 0.2Hz～10kHz, capable of capturing low-frequency pressure pulse signals from the tailrace
Alarm Function: Up to 8 sets of alarm thresholds for each channel, supporting warning and danger levels + delay, with hard point / software automatic switching of operating conditions
Signal Output: BNC buffered signal output for each channel, isolation 4-20mA analog signal upload to DCS/SIS
Power Supply: DC power supply from the backplane of 3500 chassis, total power consumption ≤ 7.5W
Operating Temperature: -30℃～+65℃; Storage Temperature: -40℃～+85℃, humidity 5%～95% RH without condensation
Installation Specifications: Half-height 19-inch slot, supports online non-disruptive hot swapping
Overall Weight: 0.91kg, Size 241.3mm×24.4mm×24.4mm
Certifications: CE, UL, API670, SIL2 industrial safety certification
Product Performance
Core Function of Multi-Condition Threshold Switching for Hydropower: Pre-set 8 independent alarm parameters for start-stop, grid connection, full power generation, pumping, etc., avoiding low-frequency vibration mis-tripping during turbine variable conditions and speed increase, perfectly adapting to the bidirectional operation scenarios of pumping storage units.
Supports collection of extremely low-frequency signals, capable of monitoring tailrace water pressure pulsations, low-frequency fluctuations of stator air gap, identification of turbine vortex bands, and hydraulic imbalance, etc., specific faults.
Integrated acceleration integration operation function, can directly connect piezoelectric sensors to convert into vibration velocity values, and is compatible with two types of monitoring schemes: non-contact and contact with the casing.
Built-in full-loop self-check for sensor disconnection, short circuit, gap voltage over-limit, abnormal pressure signal, fault immediate alarm upload, eliminating protection refusal or misoperation of key equipment in hydropower.
Pre-BNC buffered output, can be externally connected to capture low-frequency pressure pulsations and vibration waveforms for water turbine hydraulic fault traceability analysis.
Channel bypass function, temporarily shielding alarms for a single measurement point during maintenance, while other channels remain in normal safety interlock protection.
Can be linked with 3500/34 TMR triple redundant relay module to achieve ETS emergency shutdown protection for turbine vibration, air gap, and pressure over-limit.
Application Domains
Conventional hydropower stations, pumping storage power stations: Online monitoring and protection of turbine shaft vibration, axial thrust, stator air gap, and tailrace dynamic pressure for hydropower generators. Large pumping stations, tidal power generation equipment: Safety monitoring of pump unit shaft system vibration, thrust bearing displacement, and shell vibration
Large-scale hydropower station large-scale water turbines, penstock unit hydraulic fault early warning, unit safety interlock protection
List of Matching Models of the Same Series
3500/40M: General eddy current monitoring module (commonly used in thermal power steam turbines, without multi-condition and low-frequency pressure measurement capabilities)
3500/42M: General vibration monitoring module, without air gap, dynamic water pressure, multi-condition functions
3500/46M: Special multi-mode hydraulic monitoring module for hydroelectric units (this model)
3500/25: Dual-channel phase comparator module, providing speed phase reference
3500/34: TMR three-redundancy safety relay module, used for unit ETS trip circuit
3500/92: Communication gateway module, for uploading TSI measurement point data to the upper-level monitoring system
BENTLY NEVADA 3500/53 overspeed detection module IN STOCK
BENTLY NEVADA 3500/53 overspeed detection module IN STOCK
BENTLY NEVADA 3500/53 overspeed detection module IN STOCK
Details:
1. All quote are basic on EX-WORK
2. Delivery time: 3-5 days after payment
3. Payment Term:T/T
4. Shipment: EMS, DHL, UPS & FEDEX
5. Price: The more you order ,the lower price you will get
Application industry：
1.Power industry, the elevator industry, parking, automobile, auto ancillary.
2.feed industry, aluminum smelting machines, refrigeration industry.
3.steel industry, combustion control systems, non-ferrous metal smelting.
4.glass industry, construction machinery, textile machinery, water treatment
Bentley 3500 system is used for vibration monitoring and protection of large machinery. The Bentley 3500 system must be equipped with a rack 3500 / 05, a power supply 3500 / 15, and a rack interface module 3500 / 22m,
Bently3500 Bently power supply high voltage AC 220V, spare parts are as follows
127610-01 AC power module
125840-01 high voltage AC power input module (PIM)
125840-02 low voltage AC power input module (PIM)
129486-01 high voltage DC power module
129478-01 high voltage DC power input module (PIM)
133292-01 low voltage DC power module
133300-01 low voltage DC power input module (PIM)
0172025 spare fuse (two types of AC PIM and high voltage DC PIM)
0172045 spare fuse (low voltage DC PIM)
129767-01 power supply operation and maintenance manual
The ordering information and model of Bently 3500 / 15 are as follows:
3500 / 15-axx-bxx-cxx option description
A: Power type (upper notch)
01 low voltage AC (85-132 VAC RMS)
02 high voltage AC (175-264 VAC RMS)
03 high voltage DC (88-140 VDC)
04 low voltage DC (20-30 VDC)
05 universal AC power supply (85-264 VAC RMS) (New)
B: Power type (lower notch)
00 no power supply (only used when single power supply is required)
01 low voltage AC (85-132 VAC RMS)
02 high voltage AC (175-264 VAC RMS)
03 high voltage DC (88-140 VDC)
04 low voltage DC (20-30 VDC)
05 universal AC power supply (85-264 VAC RMS) (New)
C: Approval unit options
00: None
01 CSA/NRTL/C
02 ATEX/IECEx/CSA (Class 1, Zone 2)
Cn China
Specific models are as follows:
3500 / 15 (front panel 127610-01, back panel 125840-01)
3500 / 15-02-02-00, both the upper slot and the lower slot are installed, so it is a dual power supply,
3500 / 15-02-00-00, the upper slot is installed, the lower slot is not installed, so it is a single power supply
3500 / 15-05-05-00, both the upper slot and the lower slot are installed, so it is a dual power supply
The following is the upgraded 3500 / 15 universal AC power module:
3500 / 15 (front panel 106m1079-01, back panel 106m1081-01)
3500 / 15-05-05-00, upper slot and lower slot are installed, so it is a set of dual power supply
3500 / 15-05-00-00, the upper slot is installed, the lower slot is not installed, so it is a single power supply
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