NI 9239 4-Channel, 24-Bit Analog Input Module

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  • 250 Vrms channel-to-channel isolation (screw terminals)
  • 60 VDC channel-to-channel isolation (BNC)
  • 50 kS/s per channel simultaneous inputs
  • Antialias filter
  • ±10 V input range
  • View Data Sheet
  • View Support Resources
The NI 9239 is a 4-channel, 24-bit C Series analog input module for use in any NI CompactDAQ or CompactRIO chassis. The NI 9239 is similar to the NI 9229 in functionality except for the input range. You can find detailed specifications for the NI 9229 and NI 9239 in the same manual for comparison.

With channel-to-channel isolation, your entire system, including the device under test, is protected from harmful voltage spikes up to the isolation rating. In addition to safety, isolation eliminates measurement errors caused by ground loops because the front end of the module is floating.

The NI 9239 uses four 2-position screw-terminal connectors. The module includes all four connectors, and you can order more as replacements or for easy test equipment changes among devices under test. Those connectors are listed as model NI 9976

Strain-relief backshells for signal wire security and high-voltage protection (qty 4): NI 9971
Extra connectors for 2-position connector modules (qty 10): NI 9976

EMC Performance
To ensure EMC compliance for BNC, you must use a ferrite bead, such as NI part number 782801-01.

Specifications Documents

Specifications Summary

General
Product Name NI 9239
Product Family Industrial I/O
Form Factor CompactDAQ , CompactRIO
Part Number 782402-01 , 779593-01
Operating System/Target Real-Time , Windows
Measurement Type Voltage
Isolation Type Ch-Ch Isolation
RoHS Compliant Yes
Signal Conditioning Anti-aliasing filter
Analog Input
Channels 4 , 0
Single-Ended Channels 0
Differential Channels 4
Resolution 24 bits
Sample Rate 50 kS/s
Max Voltage 10 V
Maximum Voltage Range -10 V - 10 V
Maximum Voltage Range Accuracy 0.019 V
Simultaneous Sampling Yes
Analog Output
Channels 0
Digital I/O
Bidirectional Channels 0
Input-Only Channels 0
Output-Only Channels 0
Counter/Timers
Counters 0
Physical Specifications
Length 9 cm
Width 2.3 cm
I/O Connector MINI-COMBICON, 3.5 mm (2-Position) , BNC connectors
Minimum Operating Temperature -40 °C
Maximum Operating Temperature 70 °C
Minimum Storage Temperature -40 °C
Maximum Storage Temperature 85 °C
Timing/Triggering/Synchronization
Triggers cDAQ Chassis No

NI 9239 Packages

To use the NI 9239 , you need all items in the diagram below. Select Option 1 if you already own a C Series System, or Option 2 if you do not already own a chassis, controller, or software.

Roll over the icons below to learn why you need each item in the system

C Series System

1 Connectivity Accessories

NI 9239

Chassis

Controller

Software

NI 9239 and Accessories Only
NI 9239
779593-01 Qty $ 1,076 each
780181-01 Qty $ 1,076 each
782402-01 Qty $ 1,237 each
Required Accessories
Connectivity Accessories -
Qty $ 31 each
Optional Accessories
Connector Block
Qty $ 31 each
Qty $ 290 each

Package Price: $ 1,107

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Select a Platform and Configure a System

Create a complete system with the NI 9239 and its accessories. However, the NI 9239 is compatible with multiple C Series Platforms, NI CompactDAQ and CompactRIO. Please review the comparison information below and select a platform to begin configuring your system.

Configure System Configure System

NI CompactDAQ NI CompactRIO
video
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Mixed-Measurement Data Acquisition


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Time-Critical Control & Monitoring


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Features NI CompactDAQ NI CompactRIO
USB, Wi-Fi, Ethernet, Headless Operation Ethernet, Headless Operation
Up to -40 to 70 C
Up to 50 g shock and 5 grms operational vibration
Up to -40 to 70 C
Up to 50 g shock and 5 grms operational vibration
LabVIEW, LabVIEW Real-Time, C, C++, VB.NET, C#.NET LabVIEW, LabVIEW Real-Time, LabVIEW FPGA, C, C++
NI-DAQmx driver; configuration and troubleshooting tools; short time to first measurement NI-RIO driver; flexibility and customizabilty
PC-based data acquisition; embedded data-logging; portable and benchtop Single-point acquisition; closed-loop control; deterministic operation

System Assurance Programs

Reduce your setup time and total cost of ownership, and get a system you can use out of the box with National Instruments system assurance programs. System assurance programs include:

  • Installation and integration test of all individual hardware
  • Courtesy installation of system driver sets and application development environments
  • Extended warranty and calibration coverage for up to five years
  • Custom documentation plus a custom restore and startup utility

This service is only available for PXI, NI CompactRIO, and NI Compact FieldPoint systems.

Extended Warranties

National Instruments designs and manufactures all products to minimize failures, however unexpected failures can still occur. Extended warranties provide a fixed economical price at the time of system purchase, covering any repair costs for up to three years. In addition, they offer the following benefits:

  • Significant cost savings compared to individual repair incidents
  • Fault location, diagnostics, and repair by NI any time the system product fails
  • All parts and labor costs covered as well as any adjustments needed to restore the hardware to manufacturing specifications

For more information about your warranty options:

Calibration

NI recognizes the need to maintain properly calibrated devices for high-accuracy measurements. NI provides manual calibration procedures, services to recalibrate your products, and automated calibration software to calibrate many NI measurement products.

Training

NI training is the fastest, most certain route to productivity with NI tools and successful application development.

Repair Services

Return your registered product under warranty at no additional labor and parts cost. NI offers fault location, diagnostics, and repair any time the system fails as well as any adjustments needed to restore the hardware to manufacturing specifications.

Technical Support

ni.com/support