Overview
The Bently Nevada 3300/03-02-00, also cataloged as the 3300/03 System Monitor Module, operates as a dedicated hardware component for rack management, Keyphasor signal distribution, and data communication within the Bently Nevada 3300 Machinery Monitoring System.
Suffix Breakdown & Model Matrix
| Parameter | Specification |
|---|---|
| Full Model | 3300/03-02-00 |
| Base Model | 3300/03 |
| Product Type | System Monitor Module |
| Interface Option | -02 Dynamic Data Interface (DDI) |
| Keyphasor Option | -00 Standard configuration without Keyphasor signal conditioning |
| Agency Approval | -00 Standard configuration |
| Part Number | 89998-01 |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3300/03-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | Approx. 0.9 kg |
| Dimensions | Standard 3300 rack module size |
| Operating Temp | 0 deg C to +65 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Relative Humidity | Up to 95%, non-condensing |
| Power Consumption | 2.0 W typical; 4.6 W maximum with interface options |
| Installation Position | Rack Position 2, adjacent to power supply module |
| Input Power Source | 3300 system backplane power supply |
| Rack Occupancy | 1 rack position |
| Keyphasor Inputs | Up to 4 proximity probe Keyphasor signals |
| Input Impedance | 10 k ohm |
| Frequency Range | 60 to 30,000 cpm |
| Minimum Input Amplitude | 0.5 V peak-to-peak |
| Front Panel Output | 4 BNC buffered Keyphasor outputs |
| Communication Interface | DDI via RS-422 / RS-232 |
| RS-422 Baud Rate | Up to 38.4 k baud |
| RS-422 Distance | Up to 1,200 meters |
| RS-232 Baud Rate | Up to 19.2 k baud |
| RS-232 Distance | Up to 30 meters |
Eddy-Current Probe Scaling and Rotor Dynamics Signal Management
The 3300/03 System Monitor processes machinery reference signals required by the 3300 monitoring rack. It distributes Keyphasor timing information from proximity transducer inputs and provides buffered outputs for connected vibration monitoring modules.
The module supports Bently Nevada eddy-current probe scaling practices by maintaining signal reference paths between proximity sensors and monitoring channels. In addition, the rack monitor architecture supports rotor dynamics analysis by preserving shaft phase reference data used for vibration measurement, orbit analysis, and machine condition evaluation.
The DDI communication interface transfers static and dynamic rack data through RS-422 or RS-232 connections. Therefore, external PLC, DCS, or condition monitoring systems can receive configured machinery parameters from installed monitoring modules.
Frequently Asked Questions
Q: Can the 3300/03-02-00 module operate in any rack position?
A: No. The module requires installation in Position 2 of the 3300 rack directly beside the power supply module.
Q: Does this model include Keyphasor signal conditioning hardware?
A: The 3300/03-02-00 configuration uses the -00 Keyphasor option and does not include additional Keyphasor signal conditioning functions.
Q: What communication protocol does the -02 interface option provide?
A: The -02 option provides a Dynamic Data Interface (DDI) using RS-422 and RS-232 electrical interfaces for external data communication.
Field Installation Guidelines
Install the 3300/03-02-00 module only in the designated Position 2 slot of the 3300 rack. Verify that the rack power supply is removed before inserting or removing the module.
Connect RS-422 or RS-232 communication wiring according to the required interface standard. Maintain separation between communication cables and high-current power conductors to reduce electrical interference.
Use shielded signal cables for Keyphasor connections and terminate cable shields according to the system grounding design. Confirm that proximity probe wiring maintains correct polarity and signal reference before system commissioning.
Verify rack status indicators after installation and confirm that connected monitoring modules receive valid system communication data.
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