Description
Bently Nevada 176449‑05 (3500/64M) Dynamic Pressure Monitor
176449-05
Product Overview
The 176449‑05 is the hardware part number for the 3500/64M Dynamic Pressure Monitor, a single‑slot monitoring module belonging to the Bently Nevada 3500 machinery protection system. It acquires and conditions high‑frequency dynamic pressure transducer signals, performs real‑time processing, alarm comparison and fault diagnosis for rotating and reciprocating equipment. This module detects pressure pulsation, combustion oscillation and abnormal pressure fluctuation, delivering critical inputs for machinery protection and condition‑based maintenance.
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | 176449‑05 (3500/64M) |
| Number of Channels | 4 independent dynamic pressure input channels |
| Transducer Input | Compatible with dynamic pressure sensors, supports single‑ended / differential signal input |
| Frequency Response | 0 Hz ~ 10 kHz, optimized for pressure pulsation measurement |
| Transducer Power | ‑24 VDC transducer excitation supplyAlibaba.co… |
| Typical Power Consumption | 7.7 WAlibaba.co… |
| Operating Temperature | ‑30 ℃ ~ +65 ℃ (rack operating); storage:‑40 ℃ ~ +85 ℃Alibaba.co… |
| Module Form | Single‑slot, fits in 3500 series instrument rack |
| Front‑panel Indicators | OK, TX/RX communication status LEDsAlibaba.co… |
| Configuration | Set via 3500 Rack Configuration Software; configurable alarm thresholds, filter parameters, sensor sensitivity |
| Output Interface | Rack backplane digital bus for data exchange; recorder outputs for trend recording |
Key Features
- Four‑channel high‑frequency dynamic pressure acquisition: Simultaneously sample up to four pressure measuring points for multi‑point pulsation monitoring.
- High‑speed signal processing: Wide frequency bandwidth captures fast pressure transients, combustion instability and surge precursors before mechanical damage occurs.
- Full software configurability: Adjust alarm levels, filter cut‑off frequency, sensor sensitivity without hardware modification. Supports alert / danger alarm logic setup.
- Seamless 3500‑rack integration: Communicates with other monitors, gateway and relay modules over the rack backplane bus; supports TMR system architecture for high‑reliability protection applicationsAlibaba.co….
- Sensor fault detection: Continuously supervise transducer cable health, report open‑circuit / short‑circuit faults via OK‑status indication.
- Harsh‑environment industrial design: Rugged printed‑circuit assembly for power, oil‑gas and petrochemical field conditions.
176449-05
Typical Applications & Application Scenarios
Main Applications
- Measure dynamic pressure pulsation inside combustion chambers of gas turbines, detect combustion oscillation risk.
- Monitor compressor discharge / suction‑side pressure pulsation, early anti‑surge warning for centrifugal and axial compressors.
- Reciprocating compressor cylinder dynamic pressure monitoring for valve fault and process anomaly diagnosis.
- Process piping pressure fluctuation monitoring on high‑energy rotating machinery.
- Provide dynamic‑pressure data for machinery protection, trip logic and off‑line spectrum analysis.
Industry Scenarios
- Power generation: gas turbine, steam turbine, combined‑cycle power plant units
- Oil & gas: refinery compressors, natural gas pipeline compressors
- Petrochemical: reciprocating compressors, process turbo‑machinery
- Energy‑heavy industrial plants requiring SIL‑capable machinery protection systems
Supporting / Matching Components
- Host Rack: 3500/05 Instrument Rack (holds all 3500‑series modules)
- Power Supply: 3500/15 Series power supply modules for rack power feeding
- Transducers: High‑frequency dynamic pressure sensors matched for working pressure range; dedicated high‑frequency signal cables
- I/O Termination Card: 140471‑02 I/O termination assembly, mates with 176449‑05 as complete 3500/64M set1688阿…
- Relay Output Modules: 3500/32M / 3500/33 relay modules, output hardware trip / alarm contacts according to pressure‑monitor alarm status
- Communication Gateway: 3500/92, 3500/77M gateway modules, upload pressure data and alarm status to DCS, PLC, SCADA or HMI systems
- Configuration Tool: Bently Nevada 3500 Rack Configuration Software for module parameter setup and calibration.
176449-05
Related & Reference Part Numbers
- 176449‑01: 3500/40M Proximitor Monitor (vibration / position)
- 176449‑03: 3500/42M Velocity Monitor
- 176449‑07: 3500/77M Modbus Communication Module
- 140471‑02: I/O termination card for 3500/64M (paired with 176449‑05)1688阿…
- 3500/60, 3500/61: Temperature monitor modules for combined machinery health monitoring
Installation & Maintenance Notes
- Install only inside the 3500 rack; observe rack slot assignment rules for TMR system layouts.
- Match transducer sensitivity and measuring range in configuration software to actual physical sensors.
- Regularly verify channel health status via front‑panel LED and system diagnostic reports.
- Module replacement supports hot‑swap within the 3500 rack system (follow official maintenance procedure).
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