Bently Nevada 3500/25-SIL2-02-01-01 Four-Channel Enhanced Keyphasor Configuration
A four-channel Enhanced Keyphasor ordering configuration using two half-height cards, internal terminations and the cNRTLus Class 1 Division 2 option.
Overview
3500/25-SIL2-02-01-01 is a four-channel Enhanced Keyphasor ordering configuration using two half-height cards, internal terminations and the cNRTLus Class 1 Division 2 option.
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.
Specs
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Part Number | 3500/25-SIL2-02-01-01 |
| Product Family | 3500/25 Enhanced Keyphasor |
| Product Type | Four-Channel Enhanced Keyphasor Configuration |
| Channels / Role | Four channels from two half-height two-channel cards |
| Termination / Interface | Internal |
| Isolation | Non-isolated I/O configuration |
| Input / Communication | Non-isolated input: +0.8 to -21.0 V |
| Supply / Consumption | -24 Vdc, 40 mA maximum per channel |
| Dimensions | Main card: 119.9 × 24.4 × 256.5 mm; I/O card: 241.3 × 24.4 × 103.1 mm |
| Operating Temperature | -30 to +65 °C |
| Storage Temperature | -40 to +85 °C |
| Relative Humidity | 95%, non-condensing |
Features
- Performs the documented four-channel enhanced keyphasor configuration role in the 3500/25 Enhanced Keyphasor platform.
- Uses four channels from two half-height two-channel cards.
- Provides non-isolated input: +0.8 to -21.0 v.
- Uses internal connection or termination hardware.
- Maintains rack configuration traceability through the exact 3500/25-SIL2-02-01-01 identifier.
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.
Lifecycle
- Preserve the two-card channel count, internal-termination I/O and approval selection when planning replacement.
- Record rack slot, companion I/O or main module, wiring and channel configuration before removal.
- Verify firmware, software access, alarms and channel response after installation.
- Follow the machinery protection bypass, isolation and return-to-service procedure.
FAQ
What exactly is 3500/25-SIL2-02-01-01?
3500/25-SIL2-02-01-01: The 02 card option supplies two half-height cards for four Keyphasor channels.
Where does 3500/25-SIL2-02-01-01 operate in the 3500 system?
3500/25-SIL2-02-01-01: The next 01 selects internal terminations, while the final 01 selects cNRTLus Class 1 Division 2 approval.
What must be checked before fitting 3500/25-SIL2-02-01-01?
3500/25-SIL2-02-01-01: Preserve both cards, their rear I/O modules, channel assignments and documented safety application.
Which physical data applies to 3500/25-SIL2-02-01-01?
3500/25-SIL2-02-01-01 has documented dimensions of Main card: 119.9 × 24.4 × 256.5 mm; I/O card: 241.3 × 24.4 × 103.1 mm.
Can a similar 3500 part replace 3500/25-SIL2-02-01-01 automatically?
No. Confirm the exact 3500/25-SIL2-02-01-01 function, channel count, isolation, termination, approval and companion module before substitution.
What should be recorded during 3500/25-SIL2-02-01-01 commissioning?
Record rack slot, connected channels, wiring, configuration, alarm context and verification results for 3500/25-SIL2-02-01-01.
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