NI PXI-6115 Synchronous Sampling Multifunctional Data Acquisition (DAQ) Device

Description

NI PXI-6115 is a synchronous sampling multifunctional data acquisition (DAQ) device. As a single slot PXI module, it can be easily integrated into PXI based control platforms, which are renowned for their modularity and scalability in the field of industrial automation.

PXI-6115

This module is equipped with 4 differential analog input channels. Each channel has a resolution of 12 bits, enabling precise measurement of analog signals. The maximum sampling rate for each channel is 10 MS/s, which can capture rapidly changing signals. Its input range has eight gears, ranging from 0.2 V to 42 V, and can be connected to various sensor interfaces. For example, it can measure the low voltage signal of strain gauges in mechanical testing, as well as the high voltage signal of certain industrial sensors. The built-in anti aliasing filter ensures that the input signal is clean and suitable for precise processing.

PXI-6115

Main features and advantages:
This module also has 2 analog output channels, which can be used to control actuators or provide reference signals in the control system. In addition, it is equipped with 8 digital I/O lines and two 24 bit counters/timers. Digital I/O lines can be used to interface with digital devices such as switches or relays, while counters/timers are very useful for applications that require precise time measurement, such as motor speed control. NI PXI-6115 supports digital triggering, enabling precise synchronization with other devices in the automation stack. It can be programmed and configured using NI DAQmx driver software, which is compatible with popular software development environments such as LabVIEW, LabWindows/CVI, and Measurement Studio. This compatibility enables engineers to develop customized applications that meet their specific industrial or research needs.

This product is designed for high performance and reliability, and can operate continuously and stably in challenging industrial environments. Its high-speed synchronous sampling capability ensures accurate and simultaneous capture of data from multiple channels. This is crucial for applications that require precise analysis of the relationship between different signals, such as vibration analysis of rotating machinery.

The 12 bit analog input resolution achieves a good balance between accuracy and cost-effectiveness. It can meet the needs of many industrial and research applications without the need for overly complex and expensive high-resolution equipment. The built-in anti aliasing filter and module’s ability to handle multiple input voltage ranges reduce the need for additional external signal conditioning hardware and simplify the overall system design. Through the NI DAQmx driver, the NI PXI-6115 has software configurability, reducing engineering costs. Engineers only need to reconfigure software settings to quickly adapt modules to different applications without the need for complex hardware changes.

Technical specifications:
Model PXI-6115
Brand NI
Type: Multi functional data collection device
The input voltage is designed to interface with various sensor output voltages
Working temperature range: 0 ° C to 50 ° C
Installation method: PXI single slot module, easy to integrate into PXI chassis
Size 6.3 inches x 3.9 inches
Interface/bus PXI bus, used for high-speed data transmission and communication within PXI systems
Compliance meets relevant industry standards and can operate reliably in industrial environments
Supporting protocols compatible with industrial automation and data acquisition protocols through the NI DAQ driver program

Contact Us
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Application areas:
In the automotive industry, it is used for testing and development. When testing the electrical system of a vehicle, it can measure the voltage and current of different components such as batteries, generators, and motors. It is capable of processing high voltage signals up to 42V, making it suitable for 42V automotive applications.

In the aerospace industry, NI PXI-6115 is used for flight simulation and testing. It can collect data from sensors that monitor parameters such as pressure, temperature, and vibration of aircraft components. Then use this data to analyze the performance and reliability of these components. In the field of ultrasonic testing, this module can be used to acquire and analyze signals received by ultrasonic transducers. Its high-speed sampling capability enables it to accurately capture short duration ultrasonic pulses, thereby achieving precise detection of defects in materials.

Related products:
NI PXI-6125: Provides 16 bit resolution, providing higher accuracy for applications that require more precise analog measurements, but the sampling rate may decrease in certain configurations.
NI PCI-6115: It is the PCI version of this module, suitable for systems that do not have a PXI chassis but still require high-performance data acquisition. However, it may not have the advantages of PXI bus high speed and synchronous data transmission capability.
NI PXI-6071E: With different functional combinations, such as different numbers of analog input channels, it has a higher maximum sampling rate in certain scenarios. For applications that prioritize speed over channel numbers, this product can be considered for use.
NI PXI-6133: With 14 bit resolution and different channel configurations. For applications that require a balance between resolution and input channel count, especially when the system focuses on cost-effectiveness and specific I/O layouts, this product may be more suitable.
NI PXIe-6363: Adopting different exterior specifications (PXI Express) and having more digital I/O channels. For applications that require a large amount of digital I/O operations and data acquisition, this product can utilize the higher bandwidth of the PXI Express bus and is a good alternative choice.

Installation and maintenance:
Before installing NI PXI-6115, please ensure that there are available slots in the PXI chassis and that the chassis power supply can support the additional module. Check the version of the NI DAQmx driver on the computer and ensure it is the latest version to achieve optimal compatibility with NI PXI-6115. At the same time, verify whether the output signals of sensors and other devices connected to the module are within the supported voltage range.

For daily maintenance, regularly check the connections between modules and other devices to ensure they are secure. Loose connections may result in signal loss or interference. Monitor module performance through diagnostic tests provided by NI-DAQ software. These tests can help detect any potential issues, such as abnormal noise or incorrect triggering in the collected signal. The recommended preheating time for NI PXI-6115 is 15 minutes. In addition, calibration should be conducted at least once a year to maintain measurement accuracy. If the module is used in dusty or humid environments, appropriate environmental control measures should be taken to prevent damage to internal components.

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