Overview
Suffix Breakdown & Model Matrix
| Model Element | Description |
|---|---|
| 131108 | Base cable assembly model |
| -0025 | Cable length code: 25 ft, approximately 7.5 m |
| -02 | Factory assembly option specified for this cable configuration |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 131108-0025-02 |
| Base Model | 131108 |
| Brand | Bently Nevada |
| Product Type | RS422 Teflon Insulated Cable |
| Core Function | Serial communication signal interconnection |
| Communication Standard | RS422 |
| Insulation Material | Teflon |
| Cable Length | 25 ft, approximately 7.5 m |
| System Compatibility | Bently Nevada 3500 Series |
| Associated Communication Hardware | RS232/RS422 converter and compatible 3500/92 communication hardware |
| Origin | USA |
| Power Consumption | Passive cable assembly; no independent power consumption specified |
RS422 Signal Integrity and Machinery Monitoring Communication
The 131108-0025-02 carries differential RS422 communication signals between compatible system components. Differential signaling helps reduce susceptibility to externally induced electrical noise when the cable is installed with correct routing and shielding practices.
Within a machinery monitoring installation, communication cable routing should remain separate from high-current switching conductors and motor power cables. In addition, the cable installation should avoid unnecessary parallel routing near variable-frequency drive output circuits.
Although this cable does not perform eddy-current probe scaling directly, communication integrity remains relevant to machinery monitoring data transfer. Therefore, parameters associated with rotor dynamics, gap voltage validation, and monitoring system diagnostics depend on correct signal transmission between connected communication devices. Proper cable routing also supports cross-talk suppression within multi-cable monitoring installations.
Frequently Asked Questions
Q: Does the Bently Nevada 131108-0025-02 require an external power supply?
A: No independent power supply is specified for the cable. It functions as a passive RS422 communication interconnect.
Q: Can the 131108-0025-02 be used as a general replacement for any RS422 cable?
A: The cable should be selected according to the connector arrangement, length, and system hardware specified for the intended Bently Nevada communication installation. General RS422 electrical compatibility alone does not confirm mechanical compatibility.
Q: What installation factors can affect RS422 communication quality?
A: Cable routing, shielding practice, grounding arrangement, connector seating, and separation from high-power conductors can affect communication performance. The installation should follow the applicable Bently Nevada system documentation.
Field Installation Guidelines
- Verify the complete model number 131108-0025-02 before installation.
- Confirm that the connected RS232/RS422 converter and 3500 Series communication hardware use the required connector interfaces.
- Route the cable away from motor power leads, switching contactors, and variable-frequency drive output wiring.
- Avoid unnecessary cable splices or modifications to the factory cable assembly.
- Maintain the specified shielding and grounding arrangement of the connected system.
- Do not apply excessive tensile force, sharp bending, crushing, or repeated mechanical stress to the cable.
- Inspect connectors for contamination, bent contacts, or incomplete engagement before energizing the communication system.
- After installation, verify communication status through the applicable 3500 Series system diagnostics.
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