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NI-9234E
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NI-9234E, 24-Bit Resolution, Delta-Sigma, Analog Input Module

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National Instruments NI 9234E Analog Input Module

The National Instruments NI 9234E is an analog input module intended for use in industrial settings. With the use of analog prefiltering and Delta-Sigma ADC technology, it has four analog input channels with 24-bit resolution. With this setup, all channels may be sampled simultaneously, guaranteeing precise data collection. A BNC connector on each channel makes it simple to connect to signal sources.

The module supports both ground-referenced and floating signal sources, with the option to enable excitation current on a per-channel basis for Integrated Electronics Piezoelectric (IEPE) sensors. Furthermore, IEEE 1451.4 TEDS Class I is supported by the TEDS circuitry included in the NI 9234E. This Measurement Category I module reduces ground noise by offering channel-to-earth ground protection up to ±30 V max. In addition, to ensure signal integrity, input signals are precisely buffered, conditioned, and sampled.

Passband, stopband, and alias-free bandwidths are important factors to take into account while using the analog and digital filtering capabilities of the module to accurately represent in-band signals while rejecting out-of-band signals. The internal master timebase of the NI 9234E operates at 13.1072 MHz, providing flexible timebase management. Depending on the situation, it can export its own master timebase or accept one from an outside source.

Also, the module has low-power sleep mode support, which lowers power consumption to a maximum of 25 μW in sleep mode from a maximum of 900 mW in active mode. The NI 9234E has an excellent thermal management system, with a maximum thermal dissipation of 930 mW in active mode and a very low 25 μW at 85°C in sleep mode. This guarantees dependable performance even under extreme circumstances.

   
Model Name   
   
NI-9234E   
   
Part Number(s)   
   
-   
   
Analog Input Channels   
   
4   
   
ADC Resolution   
   
24 bits   
   
ADC Type   
   
Delta-Sigma (with analog prefiltering)   
   
TEDS Support   
   
IEEE 1451.4 TEDS Class I   
   
Input Connector Type   
   
BNC   
   
Channel-to-Earth Ground   
   
±30 V max   
   
Excitation Current   
   
Per-channel basis for IEPE sensors   
   
Master Timebase Frequency   
   
13.1072 MHz (internal)   
   
Power Consumption (Active)   
   
900 mW max   
   
Power Consumption (Sleep)   
   
25 μW max   
   
Thermal Dissipation (Active)   
   
930 mW max at 85°C   
   
Sampling Mode   
   
Simultaneous   

Associated part numbers for NI-9234E:

National Instruments NI 9234E Frequently Asked Questions

Question: How many channels does the NI-9234E have?
Answer: The NI-9234E features four input channels with 24-bit resolution.

Question: Is the module compatible with the IEPE sensor?
Answer: The NI-9234E has (Integrated Electronics Piezo Electric) sensor compatibility.

Question: What is the NI-9234E's connector type?
Answer: This device uses a BNC connector to facilitate seamless signal connections.

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