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LAN Controlled relays

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George KF2T
George KF2T Member ✭✭✭
edited February 2019 in New Ideas

For those of us who can't get enough remote control goodness, I came across this on eBay.

KMTronic LAN Ethernet IP 8 channels Web Relay board Box http://r.ebay.com/SF0Ugn

8 relays with NC and NO connections, and what seems like ample current capacity. Control via Ethernet.

Plan on using it for Flex on/off, ATU reset, antenna switching, etc.

Pretty inexpensive, too...

KMTronic-LAN-Ethernet-IP-8-channels-WEB-Relay-board-BOX

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  • Paul Christensen, W9AC
    Paul Christensen, W9AC Member ✭✭
    edited February 2017
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    George,

    Nice box.  Recently, N4CC and I had to find a way to switch an 80m array at our remote Internet site:

    http://www.digital-loggers.com/din.html

    Like the KMT device, it has 8 isolated SPDT relays but also includes simple PLC user-programming to easily activate one element in the array and disable the others in an automated sequenced event.

    Paul, W9AC



  • Rob N4GA
    Rob N4GA Member ✭✭
    edited February 2019
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    Nice!

    Not worried about the guys from Bulgaria switching your stuff on and off whenever they please?

    (just kidding)

    :)

    http://www.qrz.com/db/N4GA


  • George KF2T
    George KF2T Member ✭✭✭
    edited December 2016
    Options
    Not as long as they QSL!

  • Rob N4GA
    Rob N4GA Member ✭✭
    edited May 2016
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    Solid!

    :)
  • John-K3MA
    John-K3MA Member
    edited December 2016
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    KMTronics has worked reliably for me as I have wired one into an Ameritron antenna switch box to remotely switch antenna inputs for the last 18 months.

    John
  • George KF2T
    George KF2T Member ✭✭✭
    edited December 2016
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    Glad to hear, John. Thanks.
  • K2SJP
    K2SJP Member ✭✭
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    John; I want to do the same thing with my KMTronics . Can you send me a diagram of the hookup with the Flex Radio. Thanks, Bob K2SJP
  • David Decoons, wo2x
    David Decoons, wo2x Member, Super Elmer Moderator
    Options

    We have Node Red flows for a couple of the KMTronic switches.

    As far as switching an 80m array or 40m four square, you can do the programming, interlocking, and sequencing in Node Red using quite a few different relay solutions.

    Dave wo2x

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