Bently Nevada 3500/25 149369-01 Enhanced Keyphasor Main Module
The half-height two-channel Enhanced Keyphasor main module and direct plug-in replacement for 125792-01.
Product Profile
3500/25 149369-01 is the half-height two-channel Enhanced Keyphasor main module and direct plug-in replacement for 125792-01.
Its exact part identity determines the installed function, channel arrangement, termination method and companion hardware. These details should be verified against the rack before replacement.
Technical Data
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Part Number | 3500/25 149369-01 |
| Product Family | 3500/25 Enhanced Keyphasor |
| Product Type | Enhanced Keyphasor Main Module |
| Channels / Role | Two Keyphasor channels |
| Termination / Interface | Uses a matched rear Keyphasor I/O module |
| Isolation | Determined by the selected I/O module |
| Input / Communication | 1 to 1,200,000 cpm input range |
| Supply / Consumption | 3.2 W typical power consumption |
| Operating Temperature | -30 to +65 °C |
| Storage Temperature | -40 to +85 °C |
| Relative Humidity | 95%, non-condensing |
System Role
- Performs the documented enhanced keyphasor main module role in the 3500/25 Enhanced Keyphasor platform.
- Uses two keyphasor channels.
- Provides 1 to 1,200,000 cpm input range.
- Uses uses a matched rear keyphasor i/o module connection or termination hardware.
- Maintains rack configuration traceability through the exact 3500/25 149369-01 identifier.
Compatibility
- Direct plug-in replacement for 125792-01; verify I/O-module type, firmware and channel setup.
- Retain the uses a matched rear keyphasor i/o module arrangement and determined by the selected i/o module requirement.
- Confirm two keyphasor channels and the connected monitoring-system configuration.
- Do not infer interchangeability from the 3500 family name alone; compare the complete part number and rack design.
Applications
- Shaft-speed and phase-reference measurement in rotating machinery.
- Keyphasor event processing for compatible 3500 monitoring channels.
- Machinery-protection racks requiring the documented isolation and termination arrangement.
- Maintenance replacement where channel assignments and transducer type are retained.
FAQ
What exactly is 3500/25 149369-01?
3500/25 149369-01: It is the two-channel half-height Enhanced Keyphasor main module.
Where does 3500/25 149369-01 operate in the 3500 system?
3500/25 149369-01: It is the documented direct plug-in replacement for 125792-01.
What must be checked before fitting 3500/25 149369-01?
3500/25 149369-01: The rear I/O type determines isolation and termination, so the installed I/O module must be verified.
Which physical data applies to 3500/25 149369-01?
3500/25 149369-01 has documented dimensions of 119.9 × 24.4 × 256.5 mm and a weight of 0.34 kg.
Can a similar 3500 part replace 3500/25 149369-01 automatically?
No. Confirm the exact 3500/25 149369-01 function, channel count, isolation, termination, approval and companion module before substitution.
What should be recorded during 3500/25 149369-01 commissioning?
Record rack slot, connected channels, wiring, configuration, alarm context and verification results for 3500/25 149369-01.
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