Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/15-05-05-01 |
| Base Model | 3500/15 |
| Brand | Bently Nevada |
| Manufacturer | Bently Nevada, Baker Hughes |
| Product Series | 3500 Machinery Protection System |
| Module Type | Universal AC Power Supply Module |
| Module Format | Half-height |
| Input Voltage, Nominal | 110 to 220 Vac |
| Input Voltage, Non-hazardous Areas | 85 to 264 Vac rms |
| Input Voltage, Hazardous Areas | 85 to 250 Vac rms |
| Input Voltage, Peak | 120 to 373 Vac pk |
| Input Frequency | 47 to 63 Hz |
| Power Supply Configuration | Single or dual redundant |
| Redundant Supply Arrangement | Lower slot primary; upper slot backup |
| Hot-Swap Capability | Supported |
| Operating Temp | -30 deg C to +65 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Humidity | 95%, non-condensing |
| Dimensions | 120.7 mm x 50.8 mm x 251.5 mm |
| Weight | Approx. 1.39 kg |
| Agency Approval | CSA / NRTL / C, Class 1, Division 2 |
| Origin | Not specified in supplied data |
TSI Rack Power and Protection Architecture
The 3500/15 supplies the rack backplane that powers monitoring modules used for machinery protection and TSI measurement. Consequently, it does not perform eddy-current probe scaling, gap voltage validation, or rotor dynamics calculations itself.
Instead, the power module maintains the electrical supply required by the installed monitor hardware. In a redundant configuration, the lower power supply occupies the primary position, while the upper supply provides backup power. Therefore, the rack can maintain operation when one installed supply is removed or becomes unavailable, subject to the complete system configuration.
The specified 47 to 63 Hz input range supports standard AC power sources. Moreover, the module accepts a wide input voltage range from 85 Vac rms to 264 Vac rms in non-hazardous areas. For hazardous-area installations, the specified range is 85 Vac rms to 250 Vac rms.
Frequently Asked Questions
Q: Can the 3500/15-05-05-01 operate in a redundant power configuration?
A: Yes. The 3500 rack supports dual power supplies, including AC and/or DC combinations. The supplied configuration uses Universal AC Voltage for both specified supply positions.
Q: Can the module be hot-swapped?
A: Yes. The supplied specifications identify hot-swapping as supported, allowing the module to be inserted or removed without disrupting rack operation.
Q: Which slot has priority in a redundant configuration?
A: The lower power supply slot functions as the primary position, while the upper slot operates as the backup supply position.
Field Installation Guidelines
- Install the half-height module only in the designated power supply position of the 3500 rack.
- Verify the rack configuration before applying AC input power.
- Confirm that the available AC source falls within the specified input voltage and frequency range.
- For hazardous-area installations, use the specified 85 Vac rms to 250 Vac rms operating range.
- Maintain proper separation between AC power wiring and low-level transducer or communication wiring.
- Route power conductors to minimize coupling into vibration, position, and other measurement circuits.
- Verify protective grounding and rack bonding according to the applicable site electrical standard.
- Before removing a supply in a redundant configuration, verify that the remaining supply is correctly installed and operational.
- Follow the applicable 3500 rack installation procedure when performing hot-swap maintenance.
- Do not infer power consumption or backplane loading values from the input voltage rating; use the manufacturer’s system documentation for those parameters.
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