This instructable is a quick tutorial explaning how to connect your Arduino to LabVIEW thought USB.

1. Labview Visa Serial Example 1
2. Labview Visa Driver
3. Labview Visa Serial Example Pdf

You’ll learn how to send a string and receive data available at USB port.

First of all, C programming skills and LabVIEW diagram block knowledge will help.

1. The same thing happens with every example using VISA serial communication I try to open. My OS is Windows XP SP2. Any ideas as to what is wrong and how I can fix it?
2. Jun 19, 2012  Serial communication GUI using Labview. Serial Communication using Labview.avi Muhammad sharjeel. Speed sensor using arduino and LabVIEW (VISA) - Duration.

Additional Information. Looking at LabVIEW's serial communication example (NI Example Finder»Hardware Input and Output»Serial»Simple Serial.vi), you will notice that it starts with a VISA Configure Serial Port node. This sets up both the termination character (which defaults to hex 0A ('linefeed')) and the timeout (defaults to 10 seconds). Feb 17, 2015  4.4 The VISA Configure Serial Port and VISA Close go outside the while loop. 3) You can put VISA Configure Serial Port inside the while loop. The example above, you gotta choose the COM Port first before running the vi, but if you put inside the loop you can choose the COM Port anytime. 4.5 Visa Bytes at Port goes inside while.

You will need:

Re: Basic visa write and read example. You could use string to number function and wire it to the numeric indicator. You can put a numeric control and wire it to a numeric to string function and wire that to the visa write function (both conversion functions are in the string/ number conversion palette which is in. To get data serially on Labview, we need one more driver. This driver is used for serial communication with arduino and Labview VI. You will not able to get data on Labview without installing driver. Labview also provides other drives for example labview server drivers, labview web services which is used to send labview data to web servers. Owning Palette: Serial VIs and Functions Requires: Base Development System Initializes the serial port specified by VISA resource name to the specified settings. Wire data to the VISA resource name input to determine the polymorphic instance to use or manually select the instance. Use the pull-down menu to select an instance of this VI.

• Arduino UNO;
• LM35 (Or other sensor);
• LabVIEW Software with NI-VISA Driver;

This tutorial will not explain how LM35 sensor works. See its datasheet.

What's LabVIEW?

Labview Visa Serial Example 1

LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is a visual programming language developed by National Instruments. It's very useful for data acquisition (purpose of this tutorial), instrument control, industry automations.

Arduino?

Arduino is an open-source computer hardware used to develop interactive objects, taking inputs from a
variety of switches or sensors, and controlling a variety of lights, motors, and other physical outputs.
Arduino projects can be stand-alone, or they can communicate with software running on your computer (e.g. Flash, Processing, MaxMSP.) The boards can be assembled by hand or purchased preassembled; the open-source IDE can be downloaded for free. (from Arduino).

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Labview Visa Driver

VISA is a standard I/O API for instrumentation programming.

Versatility of VISA

Labview Visa Serial Example Pdf

VISA can control GPIB, serial, USB, Ethernet, PXI, or VXI instruments, making the appropriate driver calls depending on the type of instrument you use so you do not have to learn instrument-specific communication protocol. It is platform independent, bus independent, and environment independent. In other words, the same API is used regardless of device type, platform, or programming language.

Before you begin using VISA, make sure you choose the appropriate method of instrument control.

Message-Based Communication

GPIB, serial, USB, Ethernet, and some VXI instruments use message-based communication. You program message-based instruments with high-level ASCII character strings. The instrument has a local processor that parses the command strings and sets the appropriate register bits to perform the operations you want. The Standard Commands for Programmable Instruments (SCPI) standardizes the ASCII command strings used to program compliant instruments. Similar instruments often use similar commands. Instead of learning different command messages for each type of instrument from each manufacturer, you need to learn only one command set. The most common message-based functions are VISA Read, VISA Write, VISA Assert Trigger, VISA Clear, and VISA Read STB.

Register-Based Communication

PXI and many VXI instruments use register-based communication. You program register-based instruments at a low level using binary information that you write directly to the instrument control registers. Speed is the advantage of this type of communication because the instrument no longer needs to parse the command strings and convert the information to register-level programming. Register-based instruments literally communicate at the level of direct hardware manipulation. The most common register-based functions are VISA In, VISA Out, VISA Move In, and VISA Move Out.