136719-01 3500 Series Earthing I/O Module | Bently Nevada

Product Overview

The Bently Nevada 136719-01 functions as a specialized Earthing I/O Module within the 3500 Series Machinery Protection System. This critical hardware component manages the grounding interface between the 3500 rack backplane and the external earth ground. By providing a low-impedance path for electrical noise and transients, it stabilizes the reference signal for high-precision vibration monitors. We supply this module as 100% Brand New, ensuring your protection system operates without the interference risks associated with used or degraded earthing components.

Technical Specifications

Engineering Advantages

• Noise Floor Reduction: The 136719-01 establishes a dedicated ground plane for the rack. This suppresses electromagnetic interference (EMI) and radio frequency interference (RFI), which prevents "ghost" vibration readings and false alarms in high-interference industrial environments.

• Protection Against Transient Surges: This module diverts stray electrical currents away from sensitive monitor cards. It protects the backplane architecture from damage caused by ground loops or minor electrical surges during plant start-ups.

• Simplified Shield Termination: The I/O interface facilitates the clean termination of transducer cable shields. This centralized earthing point eliminates the need for messy, improvised grounding wires inside the control cabinet.

• Direct Backplane Integration: The slim 2.5 cm profile allows the module to occupy standard I/O slots at the rear of the rack. It utilizes a high-conductivity connector interface to ensure a permanent, vibration-resistant earth connection.

FAQs

• Is the 136719-01 required for every 3500 rack installation?

  Yes. Proper earthing remains mandatory for the 3500 system to meet factory performance specifications and CE/ATEX safety requirements. Without this module, signal "drift" often occurs due to fluctuating ground potentials.

• Can this module prevent ground loops between the rack and the DCS?

  The 136719-01 provides the primary reference ground. When installed correctly according to Bently Nevada's earthing guidelines, it helps isolate the 3500 system's internal signals from external noise sources, effectively mitigating ground loop issues.

• How do I install the 136719-01?

  Slide the module into the designated I/O slot at the rear of the rack and secure the captive screws. Connect the external earth conductor to the specific terminal on the module's faceplate to complete the grounding circuit.

• What is the difference between a new and refurbished earthing module?

  Earthing modules rely on clean, non-oxidized contact points. A 100% Brand New 136719-01 ensures the terminal interface and internal copper traces provide the lowest possible resistance, which is critical for diverting high-frequency noise that used parts might fail to handle.