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#1
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9201 module: battery level and potentiometers
The rules (R71) say that the jumper needs to be in the position to read the battery value on the analog breakout. However, this means we can't get readings from the potentiometers we have going into the analog breakout (right?). Therefore, we need to have 2 analog modules in the cRio, correct? Or is there some way to get both battery level and read from analog sensors from one analog breakout?
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#2
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Re: 9201 module: battery level and potentiometers
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Last edited by MagiChau : 27-02-2013 at 20:36. |
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#3
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Re: 9201 module: battery level and potentiometers
The jumper takes over the last analog input and routes the input pin to a divided battery voltage. So yes, you can't use the input 8 on your first analog input module. Do you actually have more than 7 pots or analog sensors that you need to read? If so, then yes, you can use a second 9201 in the 4th slot on the cRIO. I'm just doubting that you actually need it.
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#4
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Re: 9201 module: battery level and potentiometers
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#5
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Re: 9201 module: battery level and potentiometers
I don't understand what's confusing you. The battery voltage measurement is done on the eighth analog input, so that one isn't available for your own use. The other seven inputs, however, are there for you to read as you wish.
(The gyro support is slightly exceptional in that it only works on the first two analog inputs.) |
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#6
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Re: 9201 module: battery level and potentiometers
You misread the whitepaper. Channel 8 is the only channel that you can't use if the bumper is set up to read battery voltage. Channels 1-7 work no matter what. Just plug your pots in starting at Channel 1 and read them as you'd expect to. You only have to worry if you have more than 7 pots.
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#7
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Re: 9201 module: battery level and potentiometers
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