Description
- Model: 3500/40M-03-00
- Brand: Bently Nevada
- Series: 3500 Machinery Protection System
- Core Function: Proximitor signal interfacing for machinery monitoring
- Type: Proximitor I/O Module with Internal Barriers and Internal Terminations
- Key Specs: 4-channel 3500/40M monitor architecture; internal barriers; internal terminations
Product Introduction
Bently Nevada 3500/40M 135489-04 is the Proximitor I/O Module with Internal Barriers and Internal Terminations used with the 3500/40M Proximitor Monitor. It interfaces proximity-transducer signals within machinery protection applications. Baker Hughes identifies the 3500 platform as a machinery protection system.
The 3500/40M monitor is a four-channel unit that can be configured for measurements such as radial vibration, eccentricity, thrust position, REBAM, and differential expansion. The 135489-04 I/O module corresponds to the internal-barrier/internal-termination configuration.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/40M-03-00 |
| Part Number | 135489-04 |
| Product Type | Proximitor I/O Module |
| Series | 3500 Machinery Protection System |
| Monitor | 3500/40M Proximitor Monitor |
| I/O Configuration | Internal Barriers + Internal Terminations |
| Monitor Channels | 4 |
| Typical Measurements | Radial vibration, eccentricity, thrust position, differential expansion, REBAM |
| Dimensions | 241.3 × 24.4 × 163.1 mm |
| Weight | 0.46 kg |
| Installation | 3500 rack |
| Related Monitor Part | 176449-01 |
Bently Nevada 135489-04
The published Bently Nevada documentation lists 135489-04 specifically as the 3500/40 I/O module with internal barriers and internal terminations; the 3500/40M documentation also lists it as the corresponding Proximitor I/O module.
Application Scenarios
This module is suited to maintenance and replacement work on Bently Nevada 3500 machinery protection systems, particularly installations using proximity transducers where intrinsic-safety barriers are required.
A key procurement point: 135489-04 is the I/O module, not the complete 3500/40M monitor. The monitor itself is commonly identified as 176449-01.
Bently Nevada 135489-04
Replacement and Compatibility Notes
Before ordering, verify:
- Part number: 135489-04
- Existing monitor: 3500/40M
- I/O option: internal barriers + internal terminations
- Rack configuration and barrier requirements
- Connector/header configuration
- Existing hardware revision and system documentation
Do not substitute 125680-01 or 126615-01 simply because they are also listed for the 3500/40M. Those versions use different termination/barrier configurations.
For a rack containing internal barriers, the Bently Nevada 3500/04 documentation specifies installation of an IS Earthing Module in the rack.
Quick Conclusion
- 135489-04 is a Bently Nevada 3500/40M Proximitor I/O module.
- It provides internal barriers and internal terminations.
- The associated 3500/40M monitor is 176449-01.
- Physical dimensions are approximately 241.3 × 24.4 × 163.1 mm, with a listed weight of 0.46 kg.
- Verify the complete rack and I/O configuration before replacement.
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