Rookie Team Help- Robot Won't Move
 

Hello,

We just finished doing our wiring for the basic robot. We connected 2 jaguars to the 40 amp maxload and the other side to our two 12V DC motors running the chains connected to our wheels. When we put our code in and try to make it move using our joysticks, nothing happens. We are using the DefaultRobot java code. Any ideas why it won't move? Thanks,

Alex

Re: Rookie Team Help- Robot Won't Move
 

clear photos of the robot, electronics, all connections and the controls would help. Your issue could be hardware, electronics/connections, software, or some combination thereof.

Re: Rookie Team Help- Robot Won't Move
 

Re: Rookie Team Help- Robot Won't Move
 

Our jaguars are also flashing yellows lights

Re: Rookie Team Help- Robot Won't Move
 

http://dl.dropbox.com/u/1281656/down...0126111911.jpg is a picture of our robot

Re: Rookie Team Help- Robot Won't Move
 

Check to make sure the PWM wires are not plugged in backwards ie: the plug flipped 180deg. in the slot.

Re: Rookie Team Help- Robot Won't Move
 

The PWM wires are plugged in correctly

Re: Rookie Team Help- Robot Won't Move
 

Did you enable the control board when you pushed the joysticks forward?

Re: Rookie Team Help- Robot Won't Move
 

Howe do we do that?

Re: Rookie Team Help- Robot Won't Move
 

Try using the Digital I/O module in slot 4 of the cRIO. I believe the default code uses that one.

Re: Rookie Team Help- Robot Won't Move
 

The digital module connecting the Digital sidecar is in the wrong slot.
It should be in slot 4.
And you can get rid of the extra Digital module.

The Analog module in slot 6 should come out. It, too, is in the wrong place, but you don't need it anyway.

All you need for now is an Analog Module in slot 1 (you do have it there), and a digital module in slot 4.

Re: Rookie Team Help- Robot Won't Move
 

We are receiving the message "waiting to connect to OTA" in netbeans. It is attempting to connect through port 8001, and we assume this is correct. We can connect to it via FTP so we can assert that it is connected properly. The software has been updated on both the crio and the laptop. Why are we receiving this error message? We have successfully uploaded code at one point but this problem seems intermittent.

Re: Rookie Team Help- Robot Won't Move
 

Just as a side note, i'd think about moving that battery to the center for better weight distribution. Since you're using tank drive it's not a big deal, but it's usually something you want to keep in mind.

Re: Rookie Team Help- Robot Won't Move
 

Did you push the ON button?

Re: Rookie Team Help- Robot Won't Move
 

What do you mean by the ON button?

Re: Rookie Team Help- Robot Won't Move
 

He's probably referring to the circuit breaker (that black thing with the red button on top). Note that the red button isn't the power button. The power button is the little black arm that stick out from the side.

Re: Rookie Team Help- Robot Won't Move
 

Yes the ON button is pressed. Here is an uploaded picture of our wiring, it still isnt working?

Re: Rookie Team Help- Robot Won't Move
 

um...wheres the wireless gaming bridge (DLink)

Re: Rookie Team Help- Robot Won't Move
 

Do you have the driver station application running?
Tell us which of the main status lights and the Diagnostics status lights are green.

Swap the positions of the two unused cRIO modules to put them where they belong.

Are the status LEDs (one is yellow and the other green) on and blinking where your Ethernet cable is plugged into the cRIO port 1?

Are all the Digital Sidecar status lights on solid green? I can only see two in the photo, not the "batt" or 5v status lights.

Re: Rookie Team Help- Robot Won't Move
 

It will help us help you with answers to Mark's questions above.

A yellow flashing light on a Jaguar indicates it has power but no control signal. (More info here, pick the black jaguar getting started guide)

One possible cause for no control signal is missing or mis-wired PWM signals. The photos seem to show correct wiring, and you asserted that before.

Did you "enable" the robot from the driver's station? I'm not that familiar with it, but I remember there's a big red button on the display screen that needs to be green. A disabled robot cannot produce PWM signals.

Re: Rookie Team Help- Robot Won't Move
 

you guys should really think about insulating your battery terminals

Re: Rookie Team Help- Robot Won't Move
 

its all working thanks everyone!

Re: Rookie Team Help- Robot Won't Move
 

Could you tell us what you did to get it going? Others searching for answers to similar problems might find it useful.