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Thread: Tech question: Lowrance GPS feed to E.I. Fuel flow gauge

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    moneyburner's Avatar
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    Tech question: Lowrance GPS feed to E.I. Fuel flow gauge

    Anyone know how to get a Lowrance Airmap 2000C (with NEMA 0183 output) to talk to an E.I. fuel flow gauge with RS422 or RS232 protocol? I've got a signal, but they ain't getting along.

    Halp!

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    If my neighbor is in town I'll see if I can wrangle you some help...

    Kirby
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    Re: Tech question: Lowrance GPS feed to E.I. Fuel flow gaug

    Quote Originally Posted by moneyburner
    Anyone know how to get a Lowrance Airmap 2000C (with NEMA 0183 output) to talk to an E.I. fuel flow gauge with RS422 or RS232 protocol? I've got a signal, but they ain't getting along.

    Halp!
    Check your grounds. If you did not use the same ground on the EI as you did with your GPS the signal wire may not work.

    Tim

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    mike mcs repair's Avatar
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    Re: Tech question: Lowrance GPS feed to E.I. Fuel flow gaug

    Quote Originally Posted by moneyburner
    Anyone know how to get a Lowrance Airmap 2000C (with NEMA 0183 output) to talk to an E.I. fuel flow gauge with RS422 or RS232 protocol? I've got a signal, but they ain't getting along.

    Halp!
    looks like mode "in3" mode is for that string output format... from my 5 minutes of searching.... the "hand held" statement below probably threw you off that one...or I could be wrong

    Connecting the FP-5L Input Lines to a compatible GPS unit allows the FP-5L to display Fuel to Destination,
    Fuel Reserve, Nautical Miles per Gallon and Statute Miles per Gallon information. The FP-5L has three GPS
    Receive Formats: 1. "In1" for all panel mount GPS units (9600 baud); 2. "In2" for Northstar (1200 baud); 3.
    "In3" for hand held GPS units (NEMA at 4800 baud). The protocol is 1 start bit, 8 data bits and 1 stop bit and
    the RS-232 update time of the GPS unit should be 1 to 2 seconds. The GPS unit may require some setup.
    You
    may want to contact a knowledgeable instrument shop or the GPS factory to help with the hookup and setup of
    the GPS unit. See the "Power-Up Programmable Settings" section in the FP-5(L) Operating Instructions to
    configure the FP-5L RS-232 input.

    7
    http://www.buy-ei.com/Information/II%20-%20FP-5.pdf page 9


    the rs-232 or 422 is the "means" of communication(think like 'phone'), the nema is HOW it is being "said" to it(think like 'english','french' etc.).......or is that too goofy??..
    http://www.scribd.com/doc/6365285/Th...-0183-Protocol section 2 electrical hookup defined.
    .
    .

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    moneyburner's Avatar
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    Okay.

    I'm pretty much threw off. One of them (the Lowrance) speaks NEMA 0183, and the E.I. hears RS 422 (I think). Aren't they the same thing? When I set up the GPS for input, it instantly looses it's mind, so I know that isn't it. The gage sometimes gives me the 'on and sometimes the regular on when asked, but it doesn't leave me with any confidence. The grounds are pristine, lovingly going to the very same terminal as the GPS ground, gorgeous twisted pair, shielded wire, attached at only one end, and personally blessed by the Dali Lama and Sarah Palin. (but not at the same time).

    I'd pay someone five bucks to konk me on the head with a stick and tell me not to mess with this nonsense. It would be cheaper and cause less headache, not to mention spending less time under the tortuous dash of my dusty PA-12.

    Okay, maybe thirty bucks, but that's my last offer.

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    Re: Tech question: Lowrance GPS feed to E.I. Fuel flow gaug

    the rs-232 or 422 is the "means" of communication(think like 'phone'), the nema is HOW it is being "said" to it(think like 'english','french' etc.).......or is that too goofy??..
    http://www.scribd.com/doc/6365285/Th...-0183-Protocol section 2 electrical hookup defined.
    .
    .
    ah, that is starting to make sense . . . smack me one more time - you missed a spot!

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    Re: Tech question: Lowrance GPS feed to E.I. Fuel flow gaug

    Quote Originally Posted by moneyburner
    .....

    ah, that is starting to make sense . . . smack me one more time - you missed a spot!

    ~~~~>Whoooosh!!!.....ziiiiiiiiing!!!!----------------------->>>*SMACK!!*

    better now??

    was there another question?

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    By George, I've got it! Three stop bits, four handshakes, and a partridge in a parity tree!

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    mike mcs repair's Avatar
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    Quote Originally Posted by moneyburner
    By George, I've got it! Three stop bits, four handshakes, and a partridge in a parity tree!
    and theres prolly an I-Phone app for that too!!!

    soon they'll come out with one to talk to someone

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    moneyburner's Avatar
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    You crack me up.


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    mike mcs repair's Avatar
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    Quote Originally Posted by moneyburner
    You crack me up.

    and tonight we ran to the airport post office, and the girl friend said ' watch for moose, moose X'ing sign' as we passed the moose X'ing/crossing sign.......
    the vision in my head had moose on the road scratching "X's"(xing) with there hoofs..... tic, tac, hoof..... guess you had to be there....

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    behindpropellers's Avatar
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    Quote Originally Posted by mike mcs repair
    Quote Originally Posted by moneyburner
    You crack me up.

    and tonight we ran to the airport post office, and the girl friend said ' watch for moose, moose X'ing sign' as we passed the moose X'ing/crossing sign.......
    the vision in my head had moose on the road scratching "X's"(xing) with there hoofs..... tic, tac, hoof..... guess you had to be there....
    Mike-

    Have you been painting again without a mask on

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    mike mcs repair's Avatar
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    no, it's been a week since I did that....

    sorry just having a "tundra" like moment.... http://www.tundracomics.com/

  14. #14
    mike mcs repair's Avatar
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    are they happily chatting to one another now?

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    moneyburner's Avatar
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    Who cares? I'm having more fun fixing it!

    Nah - I'm out of town. Going to PDX to get a truck and drive it up here. Should be a hoot.

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