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Bently Nevada

Bently Nevada 78462-02 Transducer I/O and Record Terminal Module
SKU: 78462-02
In stock
Description

Bently Nevada 78462-02 Transducer I/O and Record Terminal Module

The Bently Nevada 78462-02, also cataloged as the 78462 Transducer I/O and Record Terminal Module, operates as a dedicated hardware component for transducer signal interfacing, analog signal retransmission, and dynamic signal access within Bently Nevada 3300 Series machinery monitoring systems. The module accepts proximity transducer inputs and provides conditioned recording outputs together with direct access to raw dynamic transducer signals.

Hardware Specifications

Parameter Specification
Model 78462-02
Brand Bently Nevada
Origin United States
Product Type Transducer I/O and Record Terminal Module
System Compatibility Bently Nevada 3300 Series
Channel Capacity 2 channels
Input Type Raw voltage and eddy-current proximity transducer inputs
Input Compatibility Bently Nevada 3300 probes
Analog Recording Output 4-20 mA DC or 0-10 VDC per channel
Dynamic Output Raw unconditioned transducer signal
System Accuracy +/-0.5% of full scale
System Repeatability +/-0.2% of full scale
Frequency Response 0 to 10,000 Hz (DC-coupled)
Operating Temp -40 deg C to +121 deg C
Humidity 0 to 95% RH, non-condensing
Vibration Resistance 10 g peak, 10 to 2,000 Hz
Shock Resistance 50 g peak
Weight Approx. 0.7 kg

Eddy-Current Probe Signal Conditioning

The module interfaces directly with eddy-current proximity transducers used for shaft vibration and position monitoring. Measured transducer signals are transferred through the monitoring system while simultaneously being made available as proportional analog outputs for connection to external recorders, PLC systems, and data acquisition equipment.

The dynamic output path provides access to the raw probe signal before additional processing stages. This capability supports waveform analysis, transducer verification, and machinery diagnostic activities performed during commissioning and maintenance procedures.

Frequently Asked Questions

Q: What external devices can receive the module's recording output?
A: The analog recording outputs may be connected to chart recorders, data loggers, PLC analog input channels, or other compatible monitoring equipment supporting 4-20 mA or 0-10 VDC signals.

Q: What is the purpose of the dynamic output connection?
A: The dynamic output retransmits the raw transducer signal for diagnostic measurements, waveform evaluation, and troubleshooting activities.

Q: Is the module compatible with standard Bently Nevada proximity probes?
A: Yes. The module accepts raw voltage inputs from standard Bently Nevada 3300 eddy-current proximity transducer systems.

Field Installation Guidelines

  • Install the module in the designated rear slot of the 3300 Series rack.

  • Verify proper terminal assignment before field wiring.

  • Separate transducer cables from high-power conductors.

  • Maintain shield continuity according to site grounding practices.

  • Verify probe gap voltage during commissioning.

  • Confirm recording output scaling before external system connection.