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What is the name of this mechanism?

Discussion in 'General Electronics Discussion' started by Zegan, Jan 26, 2017.

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  1. Zegan

    Zegan

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    0
    Jan 26, 2017
    Hello.
    I'm not an electrician, but I'm trying to search about something but i couldn't find the exact thing about it.
    Can you help me what do you guys call this thing?
    [​IMG]
    I have 5 devices and 2 switches on one side and another 5 devices and 2 switches on the other side and they are connected by 4 core wire, for example if i click on "Switch 1" to switch "Device 2" & "Device 5" & "Device 9".
    And if i click "Switch 4" to switch "Device 1" & "Device 3" & "Device 8".
    Is there a chip or something like "A" in the image that if i click on "Switch 1" it will switch "Device 2" & "Device 5" and sends data to "B" to switch only "Device 9".
    Because i tried to do it in the normal way i ended up with 16 wires between the 10 devices, can i achieve that with 4 core wire?
    I'm asking because i saw that thing in my video intercom system the indoor unit and the outdoor unit they only connected by 4 wire core with multiplexing inputs.
    Sorry for my bad English.
     

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  2. Minder

    Minder

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    Apr 24, 2015
    One industrial example of it is, is a two PLC systems that communicate over Modbus.
    There is also CANbus used in automotive industry and also it can be individually made by a pair of microprocessors communicating via RS232/RS485 etc.
    M.
     
  3. AnalogKid

    AnalogKid

    2,453
    705
    Jun 10, 2015
    Packetizer, Ser-Des (serializer-deserializer), lotsa recently-developed names. But the original name is a multiplexer. Originally developed to push multiple independent telephone conversations down a single pair of wires, you can use either analog or digital signal techniques. For simple 1-to-1 control setups (press button #1 here, relay #1 closes over there) there are modules on ebay. Your doorbell uses custom-programmed microcontrollers to do all of the logic, send and receive the data, etc.

    To start with, work up a truth table showing the outputs for all 16 switch combinations.

    ak
     
  4. Minder

    Minder

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    Apr 24, 2015
    It all depends on the application, an extension of the PLC function is a SCADA system.
    M.
     
  5. Zegan

    Zegan

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    0
    Jan 26, 2017
    Thank you Minder and AnalogKid.
    It seems PLC is very advance thing, i thought it was a simple thing, i probably will stick with the traditional method or try to use Shift register.
    Again thank you guys.
     
  6. Minder

    Minder

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    Apr 24, 2015
    If you have ever used a small micro-processor they could do it very easily.
    M.
     
  7. tedstruk

    tedstruk

    475
    7
    Jan 7, 2012
    sounds like a good place for a relay station to me
     
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