The Bently Nevada 176449-01 is the Proximitor Monitor main card for the 3500/40M module in the 3500 Machinery Protection System. It is a 4-channel monitor that accepts input from Bently Nevada proximity transducers and conditions the signals to provide radial vibration, thrust position, differential expansion, eccentricity, and REBAM measurements.
Item No :
176449-01Order(MOQ) :
1 PiecePayment :
EXW/CIFProduct Origin :
USAShipping Port :
WuhanLead Time :
3-5daysWeight :
3kg| Specification | Description |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model | 3500/40M |
| Part Number | 176449-01 |
| Product Type | Proximitor Monitor (Front Card / PWA) |
| Number of Channels | 4 (independently programmable) |
| Compatible Transducers | Bently Nevada 3300, 3300 XL, 7200 proximity transducer systems |
| Measurement Functions | Radial vibration, thrust position, differential expansion, eccentricity, REBAM |
| Signal Resolution | 24-bit A/D conversion |
| Accuracy | ±0.33% of full-scale typical; ±1% maximum |
| Frequency Response | 4 Hz to 4000 Hz (user-programmable) |
| Buffered Outputs | 1 coaxial connector per channel, short-circuit protected |
| Transducer Power Supply | -24 VDC |
| Power Consumption | 7.7 W typical |
| Front Panel LEDs | OK, TX/RX, Bypass |
| Operating Temperature | -30°C to +65°C (-22°F to +150°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 95%, non-condensing |
| Dimensions (H x W x D) | 241.3 mm x 24.4 mm x 241.8 mm |
| Weight | 0.91 kg (2.0 lb) |
| Rack Space | 1 full-height front slot |
| Companion I/O Modules | 125680-01 (Internal Terminations), 126615-01 (External Terminations), 135489-04 (Internal Barriers) |
| Country of Origin | USA |
| Lifecycle Status | Active / Available as New Surplus |
| Model | Description | Typical Application |
|---|---|---|
| 176449-01 (this model) | 3500/40M Proximitor Monitor main card | Radial vibration, thrust position, differential expansion |
| 125680-01 | Proximitor I/O Module with Internal Terminations | Standard internal wiring configuration |
| 126615-01 | Proximitor I/O Module with External Terminations | Applications requiring external wiring access |
| 135489-04 | Proximitor I/O Module with Internal Barriers | Hazardous area (intrinsically safe) applications |
| 149716-01 | TMR Proximitor I/O Module (External Terminations) | Triple Modular Redundant configurations |
| 3500/42M | Proximitor/Seismic Monitor | Applications requiring seismic (velocity/acceleration) inputs |
| 176449-01 + 125680-01 | Complete 3500/40M-01-00 assembly | Standard radial vibration and thrust monitoring |
Q1: What is the primary function of the 176449-01?
It is the Proximitor Monitor main card for the 3500/40M module. It accepts input from Bently Nevada proximity transducers, conditions the signals to provide vibration and position measurements, and compares the conditioned signals with user-programmable alarms. Each channel can be independently configured for radial vibration, thrust position, differential expansion, eccentricity, or REBAM monitoring .
Q2: What is the difference between 176449-01 and 176449-02?
The 176449-01 is the main card for the 3500/40M Proximitor Monitor, designed for proximity transducer inputs only. The 176449-02 is the main card for the 3500/42M Proximitor/Seismic Monitor, which accepts both proximity and seismic (velocity/acceleration) inputs . They are not interchangeable — the I/O modules and configuration software settings differ between the two monitors.
Q3: How are the channels configured?
The monitor channels are configured in pairs. Channels 1 and 2 can perform one function, while channels 3 and 4 can perform another (or the same) function. This allows a single module to simultaneously monitor two different measurement types (e.g., radial vibration on CH1/2 and thrust position on CH3/4) .
Q4: What companion I/O modules are required?
The 176449-01 requires a matching rear I/O module:
125680-01: Internal Terminations (standard)
126615-01: External Terminations
135489-04: Internal Barriers + Internal Terminations (hazardous area)
149716-01: TMR version with External Terminations
Q5: What are the typical applications for the 3500/40M?
It is widely used for steam and gas turbines, centrifugal compressors, electric motors, hydro-turbines, and other critical rotating equipment. It provides continuous machine protection by comparing real-time vibration and position values against programmable alarm and danger setpoints.
The Bently Nevada 3500/60-01-00 is a 6-Channel Temperature Monitor for the 3500 Machinery Protection System. The complete configuration consists of the 163179-01 Temperature Monitor (main card) and the 133819-01 RTD/TC I/O Module with internal terminations.
The Bently Nevada 3500/53M-01-00 is a Single-Channel Electronic Overspeed Detection Module for the 3500 Machinery Protection System, configured with the 286566-01 Overspeed Detection main card and the 133396-01 Overspeed Detection I/O Module.
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The Bently Nevada 3500/53M-01-00 is a Single-Channel Electronic Overspeed Detection Module for the 3500 Machinery Protection System. The 3500/53M is the split-base M-series version, using the 286566-01 main card with the 133396-01 rear I/O module. It is not drop-in compatible with the legacy 3500/53 (133388-01).
The Bently Nevada 3500/53-03-00 is a Single-Channel Electronic Overspeed Detection Module for the 3500 Machinery Protection System, configured with the 133388-01 Overspeed Detection main card and the 133396-01 Overspeed Detection I/O Module.
he Bently Nevada 288062-02 is the Tachometer Module main card for the 3500/50M Tachometer Module in the 3500 Machinery Protection System. It is a dual-channel module that accepts input from proximity probes or magnetic pickups to determine shaft rotational speed, rotor acceleration, and rotor direction.
The Bently Nevada 3500/50M-01-00 is a 2-Channel Tachometer Module for the 3500 Machinery Protection System, configured with the 288062-02 Tachometer main card and the 133442-01 I/O Module with internal terminations. The "M" designation indicates M-series functionality, providing enhanced integration with System 1 diagnostic software.
The Bently Nevada 133442-01 is a dual-channel Tachometer I/O Module with Internal Terminations, designed for the 3500/50 Tachometer Module in the 3500 Machinery Protection System. The module conditions raw pulse signals to determine shaft rotational speed, rotor acceleration, and rotor direction, and can supply conditioned Keyphasor signals to the rack backplane for use by other monitoring modules.
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