Bently Nevada 3500/40M 140734-01 Legacy Proximitor Monitor Module
A legacy 3500/40M monitor identity retained for installed-rack service and configuration review.
Technical Summary
3500/40M 140734-01 identifies a legacy 3500/40M Proximitor Monitor used in installed 3500 machinery-protection racks. The monitor family conditions four compatible proximity-transducer signals and compares measured values with configured alarm setpoints.
The exact legacy article should be kept with the rack records. Measurement configuration, rear I/O type and installed firmware must be reviewed before a service replacement is selected.
Specifications
| Manufacturer | Baker Hughes Bently Nevada |
|---|---|
| Complete Model | 3500/40M 140734-01 |
| Catalog Number | 140734-01 |
| Product Family | 3500 Machinery Protection System |
| Module Type | Four-channel Proximitor Monitor |
| Supported Measurements | Radial vibration, thrust position, differential expansion, eccentricity and REBAM |
| Channel Configuration | Channels 1–2 and 3–4 configured in pairs |
| Alarm Setpoint Range | 0–100% of full scale |
| Alarm Accuracy | Within 0.13% of desired value |
| Buffered Outputs | One short-circuit-protected coaxial output per channel |
| Buffered Output Impedance | 550 Ω |
| Rack Position | One front full-height slot |
Features
- Conditions four compatible proximity-transducer signals for machinery-protection measurements.
- Compares each configured channel with programmable alarm setpoints.
- Supports radial vibration, thrust position, differential expansion, eccentricity and REBAM functions.
- Configures channels in two pairs so one module can run up to two measurement functions.
- Provides one buffered coaxial transducer output per channel for local diagnostics.
Compatibility
- Designed for the Bently Nevada 3500 machinery-protection rack and the 3500/40M four-channel monitor arrangement.
- Works with compatible Bently Nevada proximity transducers selected for radial vibration, position, differential expansion, eccentricity or REBAM measurement.
- Channel pairs 1–2 and 3–4 are configured by the rack configuration software; each pair uses one supported measurement function.
- Standard and barrier rear I/O modules have different operating ranges and must be matched to the installed application.
- External-termination I/O requires the separately selected termination blocks and cables; it is not interchangeable with internal termination hardware without an installation review.
Replacement
- Treat 3500/40M 140734-01 as a legacy installed-module identity and retain it in maintenance records.
- Compare the complete rack configuration before selecting a current service replacement.
- Document the rear I/O module, channel-pair functions, ranges, alarms and transducer systems.
- Review rack software and firmware compatibility before moving a saved configuration.
- Complete functional testing before returning the machinery-protection loop to service.
FAQ
What does 3500/40M 140734-01 identify?
3500/40M 140734-01 identifies a legacy 3500/40M four-channel Proximitor Monitor used in installed racks.
Which signals are associated with 3500/40M 140734-01?
3500/40M 140734-01 belongs to the monitor family that accepts compatible Bently Nevada proximity-transducer signals.
Which measurements belong to the 3500/40M 140734-01 family?
3500/40M 140734-01 is associated with radial vibration, position, differential expansion, eccentricity and REBAM monitoring.
Why must the rear I/O be checked for 3500/40M 140734-01?
3500/40M 140734-01 depends on the installed internal, external or barrier I/O arrangement.
Should current-module dimensions be assumed for 3500/40M 140734-01?
No. Keep the legacy 3500/40M 140734-01 identity separate and verify the installed hardware before mechanical replacement planning.
What records are needed before replacing 3500/40M 140734-01?
Capture the rack slot, firmware, I/O module and both channel-pair configurations used with 3500/40M 140734-01.
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