Robot control cuts out

[Kage]

...you could also be tripping the breakers...?
I would look into that...and I am surprised that I was the first to mention it lol

when our controlls cut out due to power drain, it only shuts out for about half a second...

we too are using all 5 cims...
sometimes when pushing full force, the orange light on top of the robot turns completely off haha
I am concerned about power this year.
Nobody really saw how the CRIO and the power distribution took to the harsh world of high current draw...last year we were all sliding around simply spinning the wheels haha

[Al Skierkiewicz]

The Crio has a voltage brownout mode where all outputs are disabled. This occurs when the battery is about 5.5 volts and it sensed through the jumper you must add to the analog module in slot 1. This is performed in anticipation of the battery falling to the point at which the 24 volt power supply becomes unstable. Should the battery voltage fall below 4.5 volts the Crio may reboot.

[Brandon_L]

We had fresh batteries, everything is wired right (as far as I know), and it dosent say were loosing comms or watchdog.

[biojae]

What type of motor controllers are you using?

If you are using Jaguars, when you pull more then 60 amps for more then 2 seconds, it disables the motor for ~3 seconds.

If you are running on CAN, you can set the time for fault conditions down to about half a second.
Which is a little better for your drivers,
(Just imagine them shouting about how they would lose control for some period of time).

[Tom Line]

Originally Posted by Kage

...you could also be tripping the breakers...?
I would look into that...and I am surprised that I was the first to mention it lol

when our controlls cut out due to power drain, it only shuts out for about half a second...

we too are using all 5 cims...
sometimes when pushing full force, the orange light on top of the robot turns completely off haha
I am concerned about power this year.
Nobody really saw how the CRIO and the power distribution took to the harsh world of high current draw...last year we were all sliding around simply spinning the wheels haha

I'm surprised you're the first to mention it too.

If the robot is cutting out when you're pushing, stalling, or near stalling any of the cims, it wouldn't surprised me if you're tripping your auto-resetting (3 seconds) breakers, or that you are tripping the internal protection if you are using jags.

If you're dumping low enough to cause the Crio to reboot, it's going to take quite a while for it to reset and regain connection. The bridge will take slightly less time, but it will take time.

So next time you are driving, watch your drivers station. When the robot stops, does it reflect a loss of communication (no robot) or a loss of code (no robot code), or does it stay static? That will lead you in the right direction.

If robot communication is not dropped, then I would start considering that you might be pushing the breakers too hard, or your digital sidecar might have the power wired incorrectly.

[AJ R]

Is the crio updated to the latest one? Our robot was cutting out for a second here and there until they updated it.

[Mark McLeod]

If the snap-action breakers are popping then the 2010 version of the Power Distribution Panel will show a red LED below the Wago connectors that blew (the 2009 PDP does not do this).
P.S. You can test these LEDs by just pulling a breaker from one of your circuits.

A reason to have mounted the PDP where all the LEDs can be seen by the field staff from the sidelines, and something to watch for.