The Bently Nevada 1034549-20, also cataloged as the 1034549-20 FieldMonitor Dual-Channel Proximitor Input Monitor, operates as a dedicated hardware component for eddy-current probe signal processing within the FieldMonitor 1701/15 system.
Bently Nevada FieldMonitor 1701/15 series, Solar Turbines systems
Eddy-Current Probe Signal Scaling and Rotor Dynamics Processing
The 1034549-20 processes eddy-current proximity probe signals by conditioning, amplifying, and linearizing the transducer output before measurement evaluation. Moreover, the module maintains signal accuracy for radial vibration and thrust position monitoring by applying dedicated proximity measurement processing.
The module supports gap voltage validation functions associated with eddy-current probe operation. Therefore, technicians can evaluate probe operating conditions through the generated measurement values before analyzing vibration or shaft position data. The signal path design also reduces measurement interference from field wiring conditions and supports stable rotor dynamics analysis.
Frequently Asked Questions
Q: Does the Bently Nevada 1034549-20 support direct connection with eddy-current proximity probes? A: Yes. The module accepts signals from Bently Nevada Proximitor sensors and processes the input for vibration and displacement measurements.
Q: What alarm functions are available on the 1034549-20 module? A: The module provides Alarm 1 and Alarm 2 configurations with non-latching operation. It also supports adjustable alarm time delays and trip multiply options.
Q: Can the module monitor both radial vibration and axial position signals? A: Yes. The dual-channel architecture supports monitoring of radial vibration, thrust displacement, and shaft position measurements depending on the connected transducer configuration.
Field Installation Guidelines
Install the 1034549-20 module inside the designated FieldMonitor 1701/15 mounting system according to the system hardware manual.
Use shielded instrumentation wiring for eddy-current probe connections to reduce electromagnetic interference. Connect cable shields according to site grounding practices and avoid routing probe cables near high-current power conductors.
Verify probe wiring polarity, signal continuity, and gap voltage conditions before commissioning. Additionally, confirm channel configuration settings, alarm thresholds, and delay parameters before placing the machinery protection system into operational service.
Maintain proper separation between signal cables and power cables during installation. Inspect connectors and terminal interfaces periodically to prevent signal degradation caused by mechanical looseness or environmental contamination.
