View and Download Agilent Technologies N9320A user manual online. Spectrum Analyzer. N9320A Multimeter pdf manual download.
Using the Agilent 3. A with Lab. VIEW1. Introduction to the 3. A Instrument Driver. An instrument driver is a set of software routines that control a programmable instrument.
- The instruction manual symbol: indicates that the user must refer to spe-cific instructions in the manual. ISM1-A N10149. Agilent N9320A Spectrum Analyzer User’s Guide 101 5 One-Button Measurements Channel Power 102.
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Thousands of instrument drivers, including the driver for the Agilent 3. A, are available for free download from ni. Instrument drivers utilize a set of commands provided by the instrument vendor to communicate with the instrument, often through GPIB, Serial, Ethernet, or USB. Each routine that composes the driver corresponds to a programmatic operation such as configuring, reading from, writing to, or triggering the instrument. Instrument drivers simplify control and reduce test program development time by eliminating the need to learn the unique programming and communication protocol for the instrument.
Lab. VIEW itself is a graphical development environment for creating flexible and scalable test, measurement, and control applications rapidly and at minimal cost. Unlike other programming environments, all programming in Lab. VIEW is done graphically through intuitive flowchart- style coding and functional blocks. Hundreds of functional blocks for analysis, signal processing, and mathematics are built- in to the environment, making Lab. VIEW a smart choice for manipulating raw data collected with the 3. A. With Lab. VIEW, application development is fast and easy for all users, regardless of experience.
The Lab. VIEW instrument driver for the 3. A features six ready- to- run example programs. Of course, using the ready- to- run examples requires no Lab. VIEW coding. The driver also includes a full set of functional building blocks that can be used to create a completely custom 3. A application in Lab. VIEW. See Also: Instrument Driver Network. Lab. VIEW Driver for Agilent 3.
ALab. VIEW Guided Tour. Back to Top. 2. Using the Instrument Driver Examples in Lab.
VIEW. The most straightforward way to take advantage of the Lab. VIEW instrument driver is to run the example programs, which require only basic user configuration. Figure 1 shows the graphical user interface of one of the 3.
A example programs, used to control the 3. A matrix switch module.
To run this example, the user first sets the GPIB or serial communication parameters. Then, with the example running, the user can toggle any LED in the array to open or close a matrix cross point on the 3. A module. Six such ready- to- run examples are provided by National Instruments in the driver.
These are: EZ Scan Example: Demonstrates basic current and frequency measurements on a multiplexer module. Advanced Scan Example. Demonstrates voltage and resistance measurements on a multiplexer module, and shows how to create a single scan list with multiple types of readings. Switch Example. Demonstrates switching with the 3. A and 3. 49. 03. A modules, and toggles cross points with an LED matrix interface. Matrix Switch Example. Demonstrates matrix switching on the 3.
A. (The user interface for this example is the one pictured in Figure 1.)RF Mux Example. Demonstrates RF switching on the 3. A and 3. 49. 06. A. Multifunction Example. Demonstrates use of the 3. A module, with capabilities for controlling analog output, counter (totalizer), and digital input/output channels. Though all of these examples are intended to serve as a starting point for the creation of a custom application, they may be used without modification to immediately control the Agilent 3.
A. Back to Top. 3. Creating Custom 3. Lab. VIEW Applications. When you wish to extend the capabilities of the examples, or wish to start a new custom application, the set of Lab. VIEW functions installed with the instrument driver provide all the building blocks you will need.
In Lab. VIEW, each of these programmatic building blocks is called a virtual instrument, commonly referred to as a VI. Any custom Lab. VIEW application you create will be composed of a front panel, which is the graphical user interface, and a block diagram, which is the flow chart- style code created with these functional blocks (VIs). Creating a custom 3. A application in Lab. VIEW does require a basic familiarity with Lab.
VIEW’s graphical programming. For resources that outline the fundamentals of this industry- standard development environment, please refer to the links at the end of this section. When the Lab. VIEW instrument driver for the 3.
A is installed, palettes containing high- , mid- and low level instrument driver VIs are made available to you in Lab. VIEW. Each palette represents a distinct category of instrument driver functions for programming the 3. A. Two instrument driver palettes are shown below, in Figure 2. Use the instrument driver VIs to define your custom application. In Figure 3, we show the block diagram of a sample application created with these VIs.
This application initializes communication with the 3. A, takes 1. 0 voltage readings from each channel in the scan list, and finally ends communication and checks for errors. It displays the acquired data on a front panel indicator (not pictured). A significant advantage of customizing your Lab. VIEW application is that it enables you to combine the unique functions of the instrument driver with the standard functions built- in to Lab.
VIEW. With these, you can quickly and easily take your application far beyond merely programming the instrument to create a completely user- defined solution. Let’s suppose, for instance, that after acquiring data in the example above, we wished to detect the peak values in the data set and log those to file. Since peak detection is one of the analysis functions available in Lab. VIEW, we can easily add that functionality to our application. Lab. VIEW can also be used to interface with a data management system, whether that consists of a simple spreadsheet file or a relational database.
The block diagram in Figure 4 extends the functionality of our previously created code to discover the peaks of the dataset and then log those values to a tab- delimited text file compatible with Excel. Figure 4. Sample Code Showing Peak Detection and Saving to File.
Because creating crisp graphical user interfaces in Lab. VIEW is easy, we could have also chosen to visualize the data in a chart or graph. We could have even posted the application’s user interface to a web page for remote monitoring and control, using the built- in Lab. VIEW web server. For information on the features available in Lab. VIEW, or to immediately test drive Lab. VIEW free online, please refer to the links below.
See Also: Lab. VIEW Test Drive. Lab. VIEW Home. Back to Top. Add Speed and Sensor Compatibility to Your Test and Measurement System. As outlined above, using the 3. A with a Lab. VIEW instrument driver creates a useful PC- based virtual instrumentation system for acquiring, analyzing, and presenting test data.
If you are looking for an easy way to increase the speed, sensor support, and channel count of your test and measurement system then you may want consider adding NI Compact. DAQ hardware to your setup. The ease of use and flexibility of Lab. VIEW programming will seamlessly integrate the NI Compact. DAQ platform with your 3. A hardware. The built- in USB connectivity of NI Compact.
DAQ makes it a simple and portable addition to your system, while also providing higher acquisition rates and the bandwidth needed to add dynamic signal measurements to your Lab. VIEW programs. Figure 5 below shows how one additional VI in your Lab. VIEW program can incorporate NI Compact. DAQ data, including measurements from microphone, accelerometer, and strain gauge sensors. Figure 5. Showing the Simplicity of Adding NI Compact.
DAQ to Existing Programs. The NI Compact. DAQ platform is an excellent hardware option to consider when adding to or creating a user- defined, PC- based data logging or bench top automated test system.
NI Compact. DAQ combines USB device detection, built- in signal conditioning, direct sensor and signal connectivity, hot- swappable modules, and automatic module configuration to make a simple, complete, cost- effective data acquisition system all in one small platform. Figure 6 below shows the NI Compact. DAQ platform along with an example of an individual module. The National Instruments c. DAQ- 9. 17. 2 is an 8- slot chassis that accepts hot- swappable, autodetectable I/O modules capable of directly connecting to broad range of analog and digital I/O signals.
Rates up to 4. 00 k. S/s per module (3. MS/s per chassis) are achievable through Hi- Speed USB plug- and- play connectivity to PC’s, and the NI Compact.
DAQ platform can provide up to 2. Setting up the hardware to achieve these high rates, resolutions, and channel counts has never been easier or quicker. With the time- saving features that the NI- DAQmx API provides, such as Lab. VIEW code generation and test panels, you can quickly begin logging and analyzing your measurements.
NI Compact. DAQ truly is the shortest distance from sensor to software. Figure 6. NI c. DAQ- 9. Slot Chassis (left) and NI- 9.
IEPE Sensor Module (right). The advantages of the NI Compact. DAQ platform become even clearer when compared to the 3.
A hardware solution for a typical test system. Table 1 below shows how both platforms meet the requirements for signal type and channel count. However, with this setup all 3 of the Agilent 3. A module slots are full, while the NI Compact. DAQ has one slot still available for additional I/O functionality.
For instance, another NI Compact. DAQ module could be added to acquire dynamic signal data from various kinds of IEPE sensors. No hardware exists to measure these types of transducers using the 3.
A. The most striking difference between the two systems is that the NI Compact. DAQ solution provides a savings of nearly $4. This money could be better spent on expanding the NI Compact.
DAQ system. For example, $4. NI Compact. DAQ analog input modules from 4 channels to 3. Table 1. Comparison of NI Compact. DAQ and Agilent 3. A for a Typical Test System.
Though the 3. 49.