Product Overview
When signal degradation threatens critical machinery monitoring, the Bently Nevada 89477-20 provides a robust solution. This interconnect cable ensures reliable data transmission for industrial automation systems, specifically designed for vibration monitoring applications. As part of the trusted 89477 series, this 20-foot cable delivers consistent performance in demanding environments.
Cable Specifications
| Parameter |
Specification |
| Model |
89477-20 |
| Brand |
Bently Nevada |
| Type |
Industrial Automation Module Interconnect Cable |
| Length |
20 ft (6.1 m) |
| Conductor |
Two-conductor, 18 AWG twisted pair |
| Shielding |
Shielded cable for noise rejection |
| Connector (one end) |
Right angle two-socket plug |
| Termination (other end) |
Terminal lugs |
| Minimum Length Available |
2.0 ft (0.6 m) |
| Maximum Length Available |
99 ft (30 m) |
Industry Applications
The Bently Nevada 89477-20 is ideal for connecting proximity probes and transducers to monitoring systems in critical rotating machinery such as turbines, compressors, and pumps. Its twisted shielded pair construction minimizes electromagnetic interference, ensuring accurate vibration data even in electrically noisy industrial environments. This makes the 89477-20 a preferred choice for predictive maintenance programs where signal integrity is paramount.
Installation & Setup Guidance
For optimal performance, connect the right-angle two-socket plug end to the corresponding module port and secure the terminal lugs at the field device. Route the cable away from high-voltage lines and sharp edges to prevent physical damage. Avoid bending the cable beyond its minimum bend radius to maintain signal fidelity. If a longer or shorter run is needed, refer to the available length options (2 ft to 99 ft).
Maintenance & Reliability
Periodically inspect the Bently Nevada 89477-20 for signs of wear, cuts, or connector damage. Ensure terminal lugs remain tight to avoid intermittent signals. The shielded construction reduces environmental wear, but regular checks in high-vibration areas are recommended. With proper care, this cable provides long-lasting, trouble-free service, reducing downtime and replacement costs.
Troubleshooting Common Issues
Common issues with interconnect cables include broken conductors, loose connections, and noise induction. The Bently Nevada 89477-20’s twisted shielded design inherently mitigates noise, but if signal problems occur, first verify that the connectors are fully seated and the terminal lugs are secure. Check for cable kinks or crushing. For persistent problems, consider upgrading to a shielded connector or using a shorter length. The 89477-20 is built for reliability, but environmental factors can still affect performance.
Selection Guide & Purchasing Advice
Before purchasing the Bently Nevada 89477-20, confirm that your application requires a 20-foot length and the right-angle plug connector. If your setup needs a different length, the 89477 series offers options from 2 ft to 99 ft. Always source from a trusted supplier like PLC Source PRO to ensure genuine, factory-new parts with full warranty. Verify compatibility with your monitoring module's connector type.