You can create instrument control applications and systems by programmatically linking instrument driver VIs on the block diagram. The Action VIs – initiate or terminate test and measurement operations, such as arming the trigger system or generating a stimulus. Additionally, it can perform any necessary actions to place the instrument in its default power on state or in another specific state. You can find all of the following components on ni. I am new to this forum and I need little help in LV. These two drivers must be from the same class. Where did that come from?
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Sign In Sign Up. This is VI hp 34401a labview hpa. Many instrument drivers have a VI Tree VI you can use to view the entire instrument driver hierarchy. The Close VI- terminates the software connection to the instrument and frees system resources.
Labview and HPA – Hardware – LAVA
I’ve found it to be a useful troubleshooting tool. If there was a problem communicating, you would get a popup with an error message.
Click Go To to view the properties hp 34401a labview the hpa driver session. The interface cable must also have the proper connector on each end ” Mark.
How to Use an Instrument Driver in LabVIEW Tutorial
Don’t remember off the top of hp 34401a labview head which version it is. Restart the computer after installing the software. Under the General tab, you can enable or disable initialization options. It’s not part of the driver.
In the following figure we have opened the 34401w Read Multiple Measurements. Register a new account. You can download the specifications from www. 34401q already mentioned, a driver for the has come with LabVIEW for many years and there was no reason to dowload anything. Started by LabviwJanuary 21, VI from this hpa. If you’re not using the hp 34401a labview driver from NI the plug and play one I would get it because it seems to have the most complete and automated handling of all the possible serial port settings for the host.
Numerous Configuration VIs can exist, depending on the particular instrument. Hp 34401a labview two drivers must be from the same class. You are now ready to run the example program using the same logical name but a different instrument.
Then the Configure Measurement VI is called to set the instrument up for the desired measurement. An instrument driver is a set of software routines that control a hp 34401a labview instrument.
What do you have connected to the DMM.
Agilent 34401 Meter
Posted January 23, If you had gotten an hp 34401a labview instead of just a zero reading, you should have said so. If you do not have the actual instrument llabview to your system, make sure that you select Specific Driver in the Simulate With drop-down.
For instance, it tries to handle whether or not flow control is supported automatically.
Make sure under Serial settings that the instrument’s settings match the ones in your driver. Click Go To hp 34401a labview view properties of the fl45 driver session. Lanview can use MAX to swap instruments without recompiling or relinking the application source code.
Otherwise, select Don’t Simulate and create a new hardware hp 34401a labview under the Hardware tab. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as 3440a1 type.
Choose two IVI-C specific drivers to use in the examples. Probably something like 4. Hp 34401a labview I did new one and now it works fine.
I tried to have same configuration as in the manual7, Even, 1, Hardware both sides but same error. This example shows how to configure a measurement and take multiple readings. Action VIs are different from Configuration VIs because hp 34401a labview do not change the instrument settings but order the instrument to carry out an action hp 34401a labview on its current configuration.
For other instrument driver types, the examples will be available from the Application Examples subpalette from the corresponding instrument driver. Instrument drivers simplify instrument control and reduce test program development time by eliminating the need to hp 34401a labview the programming protocol for each instrument.