Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | Bently Nevada 3500/15-05-05-00 |
| Base Model | 3500/15 |
| Brand | Bently Nevada |
| Product Type | AC and DC Power Supply Module |
| Configuration | Dual universal AC power supplies |
| Top Slot Supply | 05 – Universal AC, 85 to 264 Vac rms |
| Bottom Slot Supply | 05 – Universal AC, 85 to 264 Vac rms |
| Agency Approval | 00 – Standard configuration; specific certification status depends on applicable configuration |
| Input Voltage | 85 to 264 Vac rms in non-hazardous areas |
| Hazardous Area Input | 85 to 250 Vac rms |
| Nominal Input | 110 to 220 Vac |
| Peak Input Voltage | 120 to 373 Vac pk |
| Input Frequency | 47 to 63 Hz |
| Maximum Full-Rack Current | 2.8 A rms per supply |
| Module Dimensions | 120.7 mm x 50.8 mm x 251.5 mm |
| PIM Dimensions | 120.7 mm x 25.4 mm x 114.3 mm |
| Weight | 1.39 kg |
| Operating Temp | -30 deg C to +65 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Humidity | 95% relative humidity, non-condensing |
| Rack Position | Far-left power supply positions |
| Power Consumption | Maximum full-rack input current of 2.8 A rms per supply |
| Input Protection | Under-voltage does not damage the supply; over-voltage can open the input fuse |
| Front Indicator | Supply OK green LED |
Bently Nevada Rack Power and Machinery Monitoring Interface
The 3500/15 supplies the rack power required by the machinery monitoring modules, rather than directly conditioning eddy-current probe signals. Therefore, probe scaling, gap voltage validation, and rotor dynamics calculations remain functions of the installed monitoring and signal-conditioning modules.
For eddy-current systems, technicians commonly validate probe gap voltage against the specified measurement target, including the nominal -10 VDC reference used by applicable Bently Nevada probe systems. The 3500/15 maintains the rack power environment required for these signal-processing modules to operate within their specified electrical conditions.
The dual 05 configuration places universal AC supplies in both power positions. Consequently, the rack can maintain power when one supply becomes unavailable, provided the remaining supply has sufficient capacity for the installed rack load. The front Supply OK LED provides a local indication of supply operating status.
Frequently Asked Questions
Q: What input voltage does the 3500/15-05-05-00 accept?
A: Each universal AC supply accepts 85 to 264 Vac rms in non-hazardous areas, with an operating frequency of 47 to 63 Hz.
Q: Does the 3500/15-05-05-00 directly process vibration or proximity probe signals?
A: No. The module supplies rack power. Proximity signal conditioning, probe scaling, gap validation, and vibration measurement are performed by the applicable 3500 monitoring modules.
Q: What is the purpose of the two 05 power-supply positions?
A: Both positions contain universal AC supplies. This provides a redundant power arrangement in which either supply can power the rack when its capacity is sufficient for the installed load.
Field Installation Guidelines
- Install the module only in the designated power supply positions at the far-left side of the 3500 rack.
- Install the corresponding Power Input Modules at the rack rear and verify correct mechanical engagement.
- Confirm that the available AC source falls within the specified input voltage and frequency range before energizing the rack.
- For redundant operation, verify that both power supply paths receive their intended AC source and that each Supply OK LED indicates normal operation.
- Route AC power wiring separately from low-level vibration, proximity probe, and other measurement signal wiring.
- Follow the applicable site grounding and protective-earth requirements for the rack and Power Input Modules.
- Verify terminal tightness and connector engagement before applying power.
- Do not use the power supply module as a substitute for signal conditioning or probe gap adjustment procedures.
- Before maintenance, verify the rack power architecture and confirm that the remaining supply can support the installed rack load if one supply is removed.
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