Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | 3500 Series Instrument Rack |
| Model | 3500/05-02-04-00-00-00 |
| Frame Size | 12-inch mini rack |
| Monitor Slots | 7 slots (slots 1-2 reserved for power/TDI or RIM) |
| Mounting Option | 04 = Panel mount, mini frame |
| Approvals | 00 = None |
| Reserved Option | 00 = None |
| European Compliance | 00 = None (no CE option) |
| Backplane | Provides power distribution and module-to-module communication |
| Compatible Power | 3500/15 power modules (redundant configuration supported) |
| Required Interface | 3500/22M TDI or 3500/20 Rack Interface Module |
| Operating Temperature | -30°C to +65°C (typical for 3500 system) |
| Storage Temperature | -40°C to +85°C |
| Humidity | 0% to 95% non-condensing |
| Standards | API 670 compliant system platform |
Product Introduction
A vibration rack is not a “spare part” you swap without thinking. It is the mechanical and electrical backbone of the entire protection system. If the backplane is damaged, the power distribution is compromised, or the wrong frame size is ordered, every module downstream becomes questionable.
The Bently Nevada 3500/05-02-04-00-00-00 is a 12-inch mini rack with 7 module slots, configured for panel mounting, no agency approvals, and no CE option. It accepts 3500/15 power modules and a 3500/22M TDI or 3500/20 RIM in the two leftmost positions, then hosts monitoring, relay, and communication modules in the remaining slots. The mini frame is useful where cabinet space is tight, but it cannot accept the bulkhead/partition mounting option available on full-size 3500/05 racks.
QA/QC Transparency SOP
- Intake & Origin Verification: Confirm full part number 3500/05-02-04-00-00-00, serial number, and label condition. Inspect for bent rails, damaged backplane pins, missing slot guides, or corrosion.
- Live Functional Testing: Install known-good 3500/15 power modules and a 3500/22M TDI or 3500/20 RIM. Verify power-up, OK LEDs, and backplane communication with at least one monitor module.
- Electrical Parameter Tests: Measure backplane supply rails, slot power continuity, and ground integrity. Check for shorted or open paths between adjacent slot connectors.
- Configuration Verification: Confirm the frame is recognized by 3500 Rack Configuration software via the TDI. Verify slot identification and module presence detection.
- Final QC & Anti-Static Packaging: Inspect mounting hardware, slot guides, and label legibility. Package with ESD protection and include documented slot/power test results.
Field Engineer Gotchas
- Mini vs. full-size mismatch: The -02 frame has 7 slots, not 14. Dropping a full-size 3500/05-01 configuration into a mini rack will not work. Verify slot count before procurement.
- Bulkhead mounting is not available: The -04 mini panel-mount frame does not support partition/bulkhead installation. If rear wiring access is impossible, this frame may force front-access wiring compromises.
- Leftmost slots are not optional: Slots 1 and 2 must hold 3500/15 power and 3500/22M TDI or 3500/20 RIM. Installing a monitor module there will prevent the rack from functioning.
- No approvals and no CE on this variant: The -00-00-00 suffix means no CSA/FM/ATEX approvals and no CE compliance option. Do not use this variant where certified equipment is required.
- Backplane damage is not always visible: Bent pins, oxidized contacts, or a cracked backplane can cause intermittent module faults. A rack that powers up but loses module communication should be bench-tested before field installation.
BENTLY 3500-05-02-04-00-00-00
Application Scenarios
- Space-limited turbine skids: Mini 3500 racks fit where a full 19-inch frame cannot, typically on packaged gas turbine or compressor skids.
- Remote pump stations: Panel-mount mini frames simplify installation in small local control panels with limited depth.
- Retrofits into existing 3500 systems: Replacing a damaged rack while preserving existing monitor modules and configuration.
- Marine or offshore auxiliary machinery: Compact frames where panel mounting and reduced slot count match the monitored asset count.
FAQ
Is 3500/05-02-04-00-00-00 a monitor module?
No. It is the instrument rack. Monitoring functions come from installed modules such as 3500/42M, 3500/45, or 3500/61.
How many slots does this frame have?
Seven monitor slots. The two leftmost positions are reserved for power and TDI/RIM modules.
Can I mount this in a 19-inch EIA rack?
Only with the correct adapter panel. The -04 option is panel mount for the mini frame; EIA rail mounting requires the appropriate adapter.
Does this frame include power supplies?
No. 3500/15 power modules must be ordered separately. Redundant power is recommended for critical machines.
Can I use this in a CE-marked installation?
This specific variant has the -00 CE option, meaning no CE compliance option is selected. Verify site requirements before installation.
Is it hot-swappable?
The 3500 system supports hot-swapping for many modules when configured correctly, but the rack itself is not a hot-swap item. Replace the frame only during a planned outage unless the system architecture explicitly allows live migration.
What software is required?
Bently Nevada 3500 Rack Configuration software and, for communication, System 1 or compatible HMI/DCS integration via 3500/22M TDI or 3500/92 gateway.
