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Unread 27-01-2009, 15:22
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sircedric4 sircedric4 is offline
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AKA: Darren
no team (The SS Prometheus)
Team Role: Mentor
 
Join Date: Jan 2008
Rookie Year: 2006
Location: Lousiana
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Re: Limit Switch return value

Quote:
Originally Posted by wt200999 View Post

There are two jumpers there when you first get it, those are the limit switches. When the connection between the two pins is broken the motor stops turning in that direction. Under each of those sets of 2 pins a letter either F or R for forward and reverse. Just hook a two pin cable into one of those and hook that to a limit switch in the normally closed position and instant limit switch, no programming required

Also if you have jaguars that you don't want to use this feature for (I.E. drive motors) make sure you tape the jumpers in so they cant fall out during competition.

For next year keep an eye out for allowed features with the other connectors
Can someone clarify if we can use the built in limit switch ports on the Jaguars. i was originally gonna use that capability myself, but since Update 4 when they posted this rule update:

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<R67> All outputs from sensors, custom circuits and additional electronics shall connect to only the following:
A. Other custom circuits, or
B. PWM Out, I2C, Relay or Digital I/O ports on the Digital Sidecar, or
C. ANALOG IN ports on the Analog Breakout.
D. Ethernet Port 2 on the cRIO Mobile Device Controller (to which the Kit Of Parts-provided camera, and only that camera, may be connected).

-------------------------------------------------------------
I moved my limit switches back to the digital sidecar and am programming them instead. I didn't want to have to fight with inspectors on game day and have to rush some code to reinstitute my limit switches so I am doing it through the sidecar from the beginning. I looked on Q&A and didn't see a specific allowance for using the jaguar limit switch capability.

Does anyone know whether I am being too careful or could I use the much easier built in limit switches on the jaguars?
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