Overview
Suffix Breakdown & Model Matrix
No published suffix segmentation or functional variant matrix is defined for the single ordering code 103928-02 within available module documentation. The identifier is treated as a fixed PWA assembly reference.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 103928-02 |
| Brand | Bently Nevada |
| Origin | Not specified |
| Weight | 0.7 kg |
| Dimensions | 2.5 cm x 19.1 cm x 34.3 cm (shipping size) |
| Operating Temp | Not specified |
| Power Consumption | Not specified |
| Module Type | Keyphasor KPH Input / Sampler Board |
| System Compatibility | TDXnet / TDI processor platform |
| Input Signal Type | Analog Keyphasor (proximity probe / magnetic pickup) |
| Processing Function | Phase, speed, and transient waveform acquisition |
Bently Nevada Rotor Dynamics Signal Processing Behavior
The 103928-02 processes Keyphasor reference pulses used in rotor dynamics evaluation, including angular position alignment for orbit and phase domain reconstruction. Input conditioning supports eddy-current probe scaling interfaces with standard gap voltage validation reference ranges used in Bently Nevada vibration systems (including negative bias proximity probe operation referenced around -10 VDC domain behavior). The channel architecture is designed to minimize inter-channel cross-talk during high-speed transient capture cycles in TDXnet acquisition streams.
Frequently Asked Questions (FAQ)
Q: Does the 103928-02 support hot-swap insertion in active TDXnet racks?
A: Hot-swap capability is dependent on the host TDXnet chassis design. Electrical insertion under energized backplane conditions is generally not recommended unless explicitly supported by the rack firmware revision.
Q: What is the backplane communication dependency of this module?
A: The board relies on the TDXnet/TDI backplane for synchronized data transfer. Signal integrity is tied to backplane clocking and slot-level synchronization.
Q: Can firmware mismatch affect Keyphasor signal acquisition?
A: Yes. Incompatible host firmware may result in invalid time-stamping or loss of phase alignment data during transient capture windows.
Field Installation Guidelines
Ensure rack power is isolated before inserting or removing the 103928-02 assembly. Maintain controlled handling to avoid ESD discharge into backplane connectors. Verify correct slot mapping within the TDXnet chassis to ensure proper Keyphasor channel routing. Signal wiring from proximity probes or magnetic pickups must maintain shield continuity with single-point grounding at the system cabinet entry. Avoid routing Keyphasor cabling parallel to high-noise power conductors to reduce phase jitter and induced noise coupling.
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