In 2021 NI mixed up the style of opening drive motors a bit, so the previous 'Open 2 Motor' and 'Open 4 Motor' vis were replaced by 'Open Motors' which produces the following code when it is dropped into Begin.vi and PWM outputs are selected by the user.įor only two motors (one motor per robot side) the vi code can be modified to the following: WPI Robotics Library->Actuators->Solenoid

Using an xBox where the triggers are actually read as an Axis: Want more buttons? Add a Select for each like so:ĭon't want to have to keep holding the button down? Then add a Feedback Node to remember: Nidec Brushless Motor Tachometer Example (2018).

The motor is Disabled when neutral (whenever it is not actively being commanded to move). Here is an example of how to minimize that potential problem. If the Nidec DIO connection comes loose, then the motor will race uncontrollably while the robot is Enabled. WPI Robotics Library->Actuators->MotorControl

Digital Input Example, e.g., limit switches (2015).

WPI Robotics Library->DriverStation->Joystick To figure out how to properly integrate the concepts into your LabVIEW project. Since they are stand-alone programs it takes some intermediate understanding of the default framework Those sample projects are great for testing if a device is working and wired correctly. LabVIEW also provides stand-alone ready-to-execute examples from the Getting Started Window that include wiring diagrams for connecting devices properly. Each example includes the menu paths to where all the icons used within that image are found. Together where you can see everything in one glance. Because the framework spreads the required elements over several files these examples are in image form to get all the parts Here are examples of ways to do some of the most common robot functions. cRIO).Īn odd side effect of this is that if you drop a library vi onto a blank vi just to drill down to study the internals, then you will probably get the PC version and you'll be studying how the cRIO simulator works, not how the robot version of the code works. The proper version of the library code gets loaded depending on the current Target (PC vs. This introduced two different versions of many of the WPILib vi's, one for executing stand-alone on a PC and another for standard operation on the robot cRIO. Special note on the library vi's: Starting in 2013 the cRIO simulator was added.

FRC LabVIEW Training Outline (rough initial draft).

LabVIEW Development Environment system requirements.

OpenG Libraries - Hundreds of Free, Reusable VIs.

My FIRST LabVIEW Project - a step-by-step how to create and run the default LabVIEW program on your robot.Īnd here are the directions for wiring up your robot control system, so that it is powered to run the default program above:

Pid controller labview frc