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  1. #1
    75+ Posting Member NNomad007's Avatar
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    Cool Airbus Light switches

    Hello friends,

    Im trying to collect some equipment, i came across with a couple honeywells for the lights and apu panel. My question is...the seat belts/no smoking, nose light and cargo smoke agent1and2 by logic should be something like 3 action off-on-on toggle switch....right?...if so..im not able to find any toggles with that configuration..i can find ;on-off-on; on-on-on..on-off...(on)off-on ..etc.....but no; on-on-off;..............and believe me..ive tried...should we use a on-on-on and disconnect the last pole?...if so how is that made.........................am i missing something here?.......

    Thanks people!

  2. #2
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    I don't know where to get the switches and have not tried this, but can't you use software to read the value of the 2 switches and then perform the action you require? Or are these hard wired to something else?

    Skywatch

  3. #3
    75+ Posting Member NNomad007's Avatar
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    Its probably worth a try..though im a bit reluctant since they all are honeywell switches, so i want to be sure in order to buy them...

    I'll probably buy a cheap one and perform a couple of tests.... maybe with the iocards it can be done.. though they look hard wired..

    thanks for the reply Skywatch.. cheers!

  4. #4
    75+ Posting Member
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    If you are familiar with logic circuits then a simple NOR gate will get you going. This will work with an on-off-on type switch with the middle connector being connected to +5V and the other terminals used for the switching and to signal the NOR gate. If I knew how, I would draw you a circuit using the chip that will do this.

    Basically you need 3 conditions with 3 switch positions (one being off). Call them A and B.

    When switch is all the way in one direction A is high, B is low and A triggers the function.

    When the switch is all the way in the other direction, A is low, B is high and B triggers the function.

    When the switch in the the middle position, A and B are both low, 2 low inputs to a NOR gate give a high output. This output will trigger the third condition.

    So at the end you have 3 wires, each of which will have a +5V signal on it depending on the switch position. Only one of these will be high at any time. These 3 signals can then be sent to your PC interface and allocated in the software you are using.

    Hope this makes sense, it's not easy to explain!

    Skywatch

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  6. #5
    2000+ Poster - Never Leaves the Sim Trevor Hale's Avatar
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    Quote Originally Posted by NNomad007 View Post
    Hello friends,

    Im trying to collect some equipment, i came across with a couple honeywells for the lights and apu panel. My question is...the seat belts/no smoking, nose light and cargo smoke agent1and2 by logic should be something like 3 action off-on-on toggle switch....right?...if so..im not able to find any toggles with that configuration..i can find ;on-off-on; on-on-on..on-off...(on)off-on ..etc.....but no; on-on-off;..............and believe me..ive tried...should we use a on-on-on and disconnect the last pole?...if so how is that made.........................am i missing something here?.......

    Thanks people!
    Just use the ON, ON, ON and don't connect anything to the first On Pins.

    Trev
    ________________________
    Trevor Hale

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  8. #6
    75+ Posting Member NNomad007's Avatar
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    There you go!!...my kind of answer..

    Thank you very much people..ill do that and let you know

    Alex

  9. #7
    75+ Posting Member NNomad007's Avatar
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    Sadly..no..im not familiar with logic circuits.. at least for now, nevertheless, i did understand a bit of your explination Skywatch! thanks for trying to explain to me!

    thanks people for all the good advices

  10. #8
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    Ah well, at least you got a solution to your problem......I hope it all works out for you!

    Skywatch

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