Bently Nevada 135137-01 Positions I/O Module – Reliable Field Termination for Position Transducers in Critical Machinery Monitoring
Warranty: 365 days
Delivery: 1 week if in stock; no more than 1 month at the latest
Payment: 50% advance payment; full payment before delivery
Express options: FedEx, UPS, DHL
Purpose-built field terminations – Provides stable, labeled screw-terminal connections for position transducers, simplifying installs and replacements.
Clean signal routing via rack backplane – I/O is routed to the companion monitor card through the backplane, which in many cases reduces ground loops and noise pickup.
Supports common position sensors – Typically used with LVDT/RVDT position sensors or proximity-probe–based position measurements (depending on the paired monitor).
Service-friendly layout – You might notice that wiring access and labeling seem to be designed for fast field work, which helps during outages.
Rugged, rack-mounted design – Built for industrial environments where vibration and electrical noise are part of daily life.
| Brand / Model | Bently Nevada 135137-01 (Positions I/O Module) |
| HS Code | 9032.89 (Automatic regulating or controlling instruments, other) |
| Power Requirements | Powered via rack backplane; no external power input |
| Dimensions & Weight | Standard Bently Nevada rear I/O module form factor; fits the designated rack slot |
| Operating Temperature | Typically −30°C to +65°C (system-dependent) |
| Signal I/O Types | Field terminations for position transducers (e.g., LVDT/RVDT or proximity-based position) to companion monitor channels |
| Communication Interfaces | None on I/O module; signals carried on the rack backplane to the monitor |
| Installation Method | Rear-mounted I/O module; screw-terminal wiring; occupies the matching I/O slot behind the monitor card |
This module is commonly used in:
Steam and gas turbines – valve position, inlet guide vane, or stroke position feedback
Compressors and expanders – actuator travel and mechanism position checks
Refining & chemicals – control valve position monitoring in critical loops
Power generation – damper/IGV positioning and hydraulic servo feedback
Pulp & paper, metals – linear position on press rolls, calenders, and hydraulic cylinders
Reliability in harsh areas – Solid-terminals and shield-friendly layout help keep signals stable where EMI is common.
Compatibility – Designed to match the corresponding Bently Nevada position monitor hardware and rack, avoiding custom adapters and rewiring.
Maintenance savings – Faster swap-outs during outages; wiring lands one-to-one. One thing I appreciate is how minimal the learning curve is for techs.
Technical support – Widely deployed in the field, which in many cases makes documentation and spare strategy straightforward.
Cabinet/rack: Mount in the designated rear I/O slot of the Bently Nevada rack; maintain adequate clearance for wiring bend radius.
Ventilation: Ensure natural airflow in the enclosure; avoid hot spots near power supplies.
Wiring: Use shielded twisted-pair for transducer leads; ground shields at one point only (typically at the rack) to minimize loops.
Safety: De-energize the system before inserting or removing modules; verify correct I/O slot for the companion monitor.
Routine checks: Re-torque terminals during planned outages, inspect for insulation nicks, and record channel baselines after sensor replacements.
Calibration/updates: Calibration is performed at the monitor/transducer level; keep system firmware aligned with site standards when applicable.
A maintenance lead at a combined-cycle plant told us they swapped a 135137-01 during a short outage—wiring landed one-to-one and the channel came back within expected bias immediately. That’s the kind of low-drama replacement you want on a critical line.
Quality & CertificationsCE compliant
UL/cUL (region-dependent) and RoHS
Manufactured under ISO 9001 quality systems
Standard warranty: 365 days
Position monitor card compatible with the rack series used onsite
LVDT/RVDT position sensors or proximity-probe–based position measurement kits
Shielded instrumentation cable and properly rated terminal ferrules
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