Inverted Input signal

  • Hi,

    i am working with KRC4 KSS8.6.6

    Is it possible to invert "physical" value of input signal $IN[]?

    What i need?

    I have robot without PLC, so i need to set correct signals for ext aut.

    On operator panel i have key - service mode on(1)/off(0)

    I would like to map system input SIGNAL $I_O_ACT to service key, but i need inverted value of input signal, so it is active when service mode is off.

    Broader question:

    Is it possible to use logic for system inputs? For example $EXT_START = ((bool1 and bool2) or $IN[3]), something like ABB crossconections.

    I tried to use FLAG or BOOL, but it makes STEU\MADA\$machine.dat file inconsistent and put system in error.

    Otherwise, writing directly to system inputs is not possible as it is write protected.


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  • why not just keep it at 1025? why would you ever want this to be off? just curious...

    you can do logic by physically connecting inputs to outputs. then you can write to outputs and the outputs will drive inputs. in fact this is exactly how EXT mode is used without external PLC

    1) read pinned topic: READ FIRST...

    2) if you have an issue with robot, post question in the correct forum section... do NOT contact me directly

    3) read 1 and 2

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