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Help CenterBently Nevada 136719-01 Earthing I/O Module – Reliable Shield Grounding for 3500 Racks
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Warranty: 365 days
Delivery time: 1 week for in-stock; no more than one month at the latest
Payment: 50% advance payment, full payment before delivery
Express delivery: FedEx, UPS, DHL
Centralized shield earthing – Provides a consistent earth reference for probe and accelerometer cable shields to cut noise.
Passive, no external power – The module is a passive earthing I/O, so there’s no added power complexity.
Rack-integrated design – Fits the rear I/O position in a 3500 rack, helping keep wiring clean and accessible.
Noise and ground-loop mitigation – In many cases, improves signal integrity where multiple shields and long cable runs are present.
Robust terminal layout – You might notice that the shield termination points are arranged for quick, repeatable field wiring.
Compatible with common Bently sensors – Typically used alongside 3300 XL proximity probes, accelerometers, and Velomitor sensors connected to 3500 monitors.
| Item | Details |
|---|---|
| Brand / Model | Bently Nevada 136719-01 Earthing I/O Module |
| HS Code | 9032.90 (commonly used for parts of automatic regulating/controlling instruments) |
| Power Requirements | Not required (passive earthing/grounding I/O) |
| Dimensions & Weight | 3500 rear I/O module form factor; fits standard 3500 rack I/O position |
| Operating Temperature | Matches the 3500 rack environmental rating (use in a protected, ventilated control cabinet) |
| Signal Input/Output Types | Shield/earth termination points for transducer cables; chassis/earth bonding connection |
| Communication Interfaces | None (mechanical/terminal earthing only) |
| Installation Method | Rear-mount I/O module in Bently Nevada 3500 rack; screw-clamp terminals for field wiring |
This module is typically selected wherever shielded transducer wiring is used around high electrical noise:
Turbomachinery protection systems on steam/gas turbines and compressors
Large motors, generators, and gearboxes with long cable runs
Refining, petrochemical, and pipeline stations where EMC issues appear frequently
Power plants and steel/cement lines with VFDs and heavy switching equipment
Reliability: Stable earthing helps keep vibration and speed signals clean, which in many cases improves trip confidence and data quality.
Compatibility: Works within the 3500 ecosystem and with common Bently sensors (e.g., 3300 XL proximity probes, accelerometers, Velomitor).
Cost savings: Reduces troubleshooting time on ground loops or intermittent noise—maintenance teams usually appreciate that.
Technical support: Straightforward wiring layout; easy to verify during FAT/SAT and routine outages.
Customer feedback: “After tying shields into the 136719-01, our compressor probes stabilized immediately—no more random spikes when the VFD ramped.” This seems to be a common experience in plants with mixed earthing schemes.
Installation & MaintenanceCabinet & environment: Install in a standard Bently Nevada 3500 rack inside a clean, ventilated control cabinet. Keep clear of high-voltage busbars where possible.
Wiring practice: Route transducer shields to the Earthing I/O termination. Maintain consistent shield bonding strategy—single-point earthing is usually preferred.
Safety: De-energize associated circuits before wiring. Verify the cabinet earth integrity and bonding resistance.
Routine checks: Periodically inspect terminal tightness, look for corrosion, and verify continuity from shield to earth. Clean dust with dry air; avoid solvents.
Firmware: Not applicable (passive module), but keep related 3500 monitor firmware current for best diagnostics.
Typically CE-marked as part of the 3500 system; designed with industrial EMC in mind
UL/cUL or CSA approvals are commonly available at the 3500 system level
RoHS compliance is typical for current production configurations
Manufacturer’s warranty support; our supply warranty is 365 days
Often paired with:
Bently Nevada 3500 rack and rear I/O assemblies
3500/40M, 3500/42M, 3500/50-series monitor modules (application-dependent)
Bently Nevada 3300 XL proximity transducer systems and Velomitor-series velocity sensors
If you need help confirming slot compatibility or wiring layout for a mixed-sensor rack, share your P&ID or channel map and I’ll mark up a quick earthing plan—this usually prevents noise issues before site commissioning.
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