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Thread: TBS Core PNP50 questions in Alien5"/KISS FC/KISS ESC/X4R/ImmersionRC/Lumenier build

  1. #1

    Question TBS Core PNP50 questions in Alien5"/KISS FC/KISS ESC/X4R/ImmersionRC/Lumenier build

    I'm excited to fly this beast however I've run into territory I'm unfamiliar with as I've never used some of this gear before... and the TBS Core PNP50 has basically no pinout diagram anywhere. The closest I can find is the manual for the PNP Pro (a different product) and a pinout someone made of the PNP25, again, a different product, but getting closer to what I need. Sadly this second piece of info didn't have all the pins defined either, so while it gave me some good guesses as to configuration, I'm still up the creek without a paddle in many ways.

    Here is a picture of where I am at currently... this is guesswork on my part as I've never used the PNP50, and I've never used OSD. When this is fully sorted I'll upload the finished wiring diagram for others in the future as I'm sure I'm not alone is pursuing this arrangement, seeing as Mr. Steele and RotorRiot are flying/selling this combo.

    Click image for larger version. 

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    The motors and ESC's are so obvious/easy/well-documented that I'm leaving them out of the image.

    So my questions are as follows to anyone that can help fill in the blanks.

    1. What does RSSI connect to? Pinout please!
    2. What does "Link" connect to? Pinout please!

    I'm assuming that something in there is connecting to the KISS FC Rx/Tx/Ground in order to pull relevant information for the OSD. I'm also assuming that the PNP50 is performing the OSD function, as the video feed is being passed through it, and some of the marketing material implies fairly directly that it is an OSD (although I may have misinterpreted that).

    Any help will be enormously appreciated!!!!!!!!! AND if anyone sees that I've totally screwed something up, or have made incorrect assumptions because the pinout on the PNP25 is nothing to follow, please let me know! Thank you

  2. #2
    Did you ever figure it out?

  3. #3
    Navigator crocha's Avatar
    Join Date
    Jan 2013
    Laguna Niguel, CA
    I can't get RSSI info to display on my PNP50 from the X4Rsb receiver (soldered a wire from its RSSI pad to PNP50 RSSI pin and selected analog on PNP50 RSSI menu). Anyone else have any suggestions? Thanks


  4. #4
    Join Date
    Aug 2013
    South Australia
    Link connects to EzyUHF stuff like their Diversity receivers etc.

    The core PNP powers your camera and TX and has an amp meter built in, it won't pull anything from the KISS Setup that im aware of. It will display and "OSD" of, volts, amp draw, mAH used and RSSI if available.

    You will need to connect a ground wire to the core as well for RSSI and then calibrate it and it should work. Not all the FrSKY receivers output RSSI in a format that is compatable though.
    Impulse Alien, TBS Disco, Tek Sumo, S800, VAS Wraith, Skysurfer

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