Double Solenoid Problem

[Nunez4296]

Sorry if I'm of little help but we just switched to Labview this year.

The VI for the code is an edited Tank Drive example written for a 6 CIM tank with ball shifters and a compressor.

I'm not sure what a "refnum" is, could you elaborate please?

We are controlling the "shift" via the front panel as of now while the robot is enabled. This will obviously change as the season progresses.

The solenoid open is outside of the loop and is set for a double solenoid.

The other issue that we are running into is that after a few minutes of driving and shifting, the robot will cycle power and we will loose connection. We have checked for loose connections, and there are none. My only two theories are that if the CKD is constantly engaged, the power cycles or, if the gearboxes half shift, the motors draw too much voltage cause the robot to reboot. If you have any thoughts, please let me know. Thanks in advance.

[Alan Anderson]

Originally Posted by Nunez4296

The VI for the code is an edited Tank Drive example written for a 6 CIM tank with ball shifters and a compressor.

Examples are meant to show you how to do things and try them out. They are not intended to be edited significantly, and they certainly should not be turned into a program for your competition robot. One of the LabVIEW tutorials should tell you how to take what's in an example and put it in a true robot project.

I'm not sure what a "refnum" is, could you elaborate please?

The principal output of an Open vi is a RefNum that defines the resource that was opened. Every other vi that uses that resource -- a Motor Set, a Joystick Get, etc. -- takes the RefNum as an input.

In the typical robotRIO project, all of the Opens are done in Begin.vi, and all of the RefNum values are saved using the RefNum Registry using RefNum Set functions. In Teleop.vi, and in every other place needing to use them, the RefNum values are retrieved from the Registry using RefNum Get functions.

The solenoid open is outside of the loop and is set for a double solenoid.

That's not enough detail for me to be able to ask better questions. I need to know what all of its inputs are.

The other issue that we are running into is that after a few minutes of driving and shifting, the robot will cycle power and we will loose connection.

What makes you think it is cycling power? Does the Robot Signal Light turn off? Do you get any indication on the Driver Station of the battery voltage dropping? Do the DS logs show the reason for the lost connection? Are you using the USB connection, a wired ethernet cable, or wireless? I apologize for the flood of questions, but I think you're going to have to give a lot more information before you can get good help.