
176449-01 3500/40M Proximitor Monitor is an important monitoring module in the Bently Nevada 3500 Machinery Protection System for the condition monitoring of rotating machinery. It is mainly responsible for receiving dynamic and static signals from the Bently Nevada eddy current sensors (Proximitor System) and conducting continuous online monitoring of the operating status of key equipment. As a four-channel Proximitor Monitor in the 3500/40M series, this module can be flexibly configured according to the requirements of on-site applications and is widely used in machinery protection (Machinery Protection) and equipment condition monitoring (Vibration Monitoring) systems, providing continuous data acquisition and alarm monitoring functions for critical rotating equipment.
For users who have already deployed the Bently Nevada 3500 series system, this module can be used for both new projects and as an important component for system maintenance, equipment upgrades, and spare parts inventory, helping users maintain the continuous operation and monitoring capabilities of the 3500 Machinery Protection System.
Technical Specifications
| Product Number | 176449-01 |
| Product Name | Proximitor Monitor Module |
| Series | 3500 Series |
| Model | 3500/40M |
| Monitoring Channels | 4 |
| Sensor Input | 1~4 Proximity Transducer Signals |
| Input Impedance | Standard I/O:10 kΩ |
| Transducer Supply | -24 VDC |
| Typical Power Consumption | 约7.7 W |
| Programmable Functions | Radial Vibration,Eccentricity,REBAM,Thrust Position,Differential Expansion |
| Alarm | Alert / Danger |
| Configuration | 3500 Rack Configuration Software |
| Installation | Front Slot |
| Origin | USA |
|
Dimension |
26*16*5cm |
|
Weight |
0.34kg |
| Warranty | 12 Months |
| Shipping | DHL / FedEx / UPS |
| HS code | 8504902000 |
Compatible With
BENTLY NEVADA 176449-01 3500/40M Proximitor Monitor, as a monitoring module in the 3500 mechanical protection system, needs to be combined with the 3500 series chassis, I/O modules, communication modules, and eddy current sensor system to form a complete online monitoring solution. When purchasing spare parts or initiating new projects, confirming the compatibility among all components is helpful in ensuring the smooth progress of system installation, parameter configuration, and subsequent maintenance work.
--3500 Rack
176449-01 is installed in the designated slot at the front of the Bently Nevada 3500 Rack. It enables module power supply, data communication, and system management through the 3500 Rack. The 3500 Rack is designed in a modular manner, allowing for the configuration of power modules, communication modules, monitoring modules, and relay modules according to project requirements, providing a unified platform for supporting the mechanical protection system.
When making the purchase, it is recommended to confirm the slot configuration and system capacity of the 3500 Rack on-site, in order to ensure that the newly added or replaced modules are consistent with the existing system.
--125680-01 Internal Termination I/O Module
125680-01 is the Internal Termination I/O Module specifically designed for the 3500/40M Proximitor Monitor. It is mainly responsible for the connection of on-site sensor signals and the internal terminal connections.
This I/O module is installed at the rear of the 3500 rack and is connected to 176449-01 via the backplane. It is suitable for the centralized wiring method within the control cabinet. For projects with internal wiring design, the Internal Termination structure can reduce the number of external connections, making the internal wiring of the control cabinet more standardized.
During the procurement process, it is necessary to ensure that the Monitor Module and the I/O Module are configured in a corresponding manner to avoid inconsistencies in interface type or wiring method.
--126615-01 External Termination I/O Module
For systems that use on-site terminal block wiring, the External Termination I/O Module can be selected for compatible use.
This type of I/O module supports direct connection of on-site cables to the external terminal block, facilitating on-site installation, maintenance, and line inspection. It is suitable for large-scale installations, long-distance wiring, and industrial applications that require frequent maintenance.
When purchasing, it is necessary to determine whether to use the Internal Termination or External Termination version based on the control cabinet design schematic to ensure that the system configuration is consistent.
--149716-01 TMR I/O Module
In some high-availability mechanical protection systems, the 149716-01 TMR I/O Module can be selected based on the system architecture.
This module is mainly applied to monitoring systems with triple modular redundant (TMR) design requirements, providing higher-level signal input and system fault-tolerance capabilities for critical rotating equipment. Whether to adopt the TMR configuration should be determined based on the on-site system design and project technical specifications.
How to test the BENTLY NEVADA 176449-01 3500/40M Proximitor Monitor?
As the core monitoring module of the 3500 mechanical protection system, the BENTLY NEVADA 176449-01 3500/40M Proximitor Monitor's inspection process typically involves multiple steps such as appearance inspection, hardware status confirmation, channel function verification, sensor signal testing, and system configuration check. Since this module is part of the online mechanical protection system, its performance verification usually requires the combination of the 3500 Rack and the accompanying sensor system, rather than just the individual inspection of the module itself.
Appearance and model inspection
Before installing or replacing the module, it is necessary to first confirm whether the appearance and model information of the product are consistent with the on-site system.
The inspection items include:
Is the product model (Part Number) 176449-01?
Is the label information complete and clear?
Is there any crack, deformation, or obvious impact marks on the casing?
Are the front panel LED indicators in good condition?
Are the connectors, backplane interfaces,s and gold fingers oxidized, worn, or bent?
Is the fixation structure complete?
Installation status check
After correctly installing 176449-01 into the designated slot of the 3500 Rack, the following should be confirmed:
The module is properly inserted;
The locking mechanism is fixed normally;
It is correctly connected to the corresponding I/O Module;
The power supply of the frame is normal;
The system can recognize the module.
After the installation is completed, you can observe the status indicator lights on the front panel of the module to preliminarily determine the operating status of the module.
LED operating status detection
The front panel of 176449-01 is equipped with status indicator lights, which are used to display the operating status of the module.
Usually, the following can be checked:
OK status: Indicates that the module has been successfully started and completed self-check;
TX/RX communication status: Displays the data communication situation between the module and the 3500 system;
Channel Status: Used to determine whether the monitoring channel is working normally;
Alarm Status: Reflects whether there is an alarm or fault condition.
Channel Function Verification
Using the 3500 Rack Configuration Software, the working status of each of the four monitoring channels can be checked one by one.
Key confirmation:
Is the channel configuration correct?
Does the monitoring type meet the requirements of the site?
Are the engineering units consistent?
Is the measurement range correct?
Can the channel update data in real time?
Are there any channel failures or abnormal data?
Do users need to reconfigure the parameters after replacing 176449-01?
If the original system configuration files are still present at the site, the 3500 Rack Configuration Software can be used to restore the original parameters. After replacing the modules, it is recommended to check the channel configuration, alarm values, and sensor status to ensure that the system is operating normally.
How can we determine if the device with the serial number 176449-01 is malfunctioning?
The following methods can be used for checking:
Check the status of the module LED;
Examine the module status in the 3500 system software;
Verify the sensor input signal;
Check the Gap Voltage and channel data;
View alarm and system diagnostic information
Can you provide testing services?
Before shipment, the appearance of the products and their basic condition can be inspected. If the customer has specific testing requirements, they can communicate in advance about the specific testing items. We will arrange corresponding services based on the product situation.
Apart from 176449-01, what other 3500 series products can be provided?
We have been supplying the 3500 series related products for a long time, including:
3500/22M TDI Module
3500/15 Power Supply
3500 Rack
3500/42M Monitor
I/O Modules
3300 XL Probe
Extension Cable
Proximitor Sensor
Comprehensive suggestions can be provided based on the customer's system configuration.












