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Thread: PLX SM AFR Serial

  1. #31
    Junior Member
    Join Date
    Apr 2009
    Posts
    21

    Thumbs up

    Finally ....

    Paul, thanks a million for the update and everything works perfect. Attached is the video using the same PLX wideband PID.
    https://drive.google.com/file/d/0Bw-...xIa3RITkk/view

    Since all the pictures of other users who used Photobucket is all missing I thought I will post a few pictures for anyone who needs them.

    I am using the PLX SM AFR GEN IV which is actually different from the older versions and now the TX sends out Wideband, Voltage, Sensor Health and Sensor Reaction. The firmware update to resolve this issue is the link below:
    https://forum.efilive.com/showthread...ublic-Release)

    You need a 3.3V TTL to RS232 Converter which makes everything very easy and less messy. On ebay for about USD 1 - 2.
    https://www.ebay.com/sch/i.html?_odk...+male&_sacat=0

    Connect the 3.3 V, GND and TX as shown below. I have used the main ground on the bottom side of the board for testing but this works fine too.
    Click image for larger version. 

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    Connect the three wires to the converter module 3.3V, GND and TX Pin as labeled on the board.
    Click image for larger version. 

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    And finally since the new version of PLX has lots of space inside, I guess it's a good idea to mount it on the back side of the board so you don't have wires hanging from inside the module.
    Click image for larger version. 

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    Sorry guys for the side view since my porting skills didn't work out on the small metal frame that I really messed it up ...

    Thanks again to Paul and EFI live for the update.

  2. #32
    Junior Member
    Join Date
    Oct 2017
    Posts
    17

    Default

    Wow! I've been using the PLX equipment and had no idea it was so versatile, cool setup!

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