NI NI-9234 C Series 4-Channel Sound and Vibration Dynamic Signal Acquisition Module

Technical Specifications

Model:NI-9234

Brand:NI

Part No:779680-01,779680-03

Product type:C Series Sound & Vibration Dynamic Signal Input Module

Resolution:24-bit delta-sigma ADC

Analog Input:4 differential synchronous channels

Input range:±5V

Sampling rate:51.2kS/s per channel

Dynamic range:102dB

IEPE excitation:software selectable 0mA / 2mA constant current

Coupling:software AC/DC selectable,AC 0.5Hz

Filter:auto-adjust anti-aliasing filter

Sensor:TEDS IEEE1451.4 compatible

Connector:4×BNC

Dimension:90mm50mm19mm

Weight:142g

Operating temperature:-40℃ ~ +70℃

Storage temperature:-55℃ ~ +85℃

Relative humidity:10~90% non-condensing

Certification:CE,UL

System compatibility

NI-9234 belongs to NI C series DAQ platform.It works with CompactRIO and CompactDAQ chassis,supported by NI-DAQmx and LabVIEW,widely used for vibration,acoustic measurement and rotating machinery condition monitoring.It is spare part for legacy test equipment overhaul.

Function

NI-9234 is rugged C-series dynamic signal acquisition module for IEPE accelerometers,microphones and tachometers.Four channels sample signals synchronously,with auto anti-aliasing filter and TEDS sensor identification,realizing high precision vibration and noise test for equipment fault diagnosis.

Installation

Insert NI-9234 into CompactRIO or cDAQ chassis slot,tighten front panel screw.Connect sensor cables to BNC ports.Install NI-DAQmx driver.Take ESD protection before installation.

Interface

‑4×BNC analog signal connectors

‑C series backplane edge connector

‑Module status LED indicators

Feature

NI-9234 classic NI dynamic vibration measurement module.Typical faults:BNC connector damage,ADC drift,IEPE excitation circuit failure.Inspect sensor wiring and channel reading before replacement.

Diagnostic

Fault phenomenon:no signal input,abnormal vibration waveform,IEPE sensor not detected.Check BNC cable,sensor integrity,chassis backplane connection and NI-DAQmx driver.

Product Brief

NI-9234 is NI C series 24-bit 4-channel synchronous dynamic signal module with 51.2kS/s sampling,built-in IEPE excitation and TEDS support,for vibration,noise and machinery condition monitoring in CompactRIO and cDAQ test systems.Mainly used for maintenance and replacement of old test equipment.ESD protection must be followed during handling.