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Thread: Reading "M" bits in Siemens

  1. #1
    scotttee Gast

    Default Reading "M" bits in Siemens

    Is Driver Object Type "PLC Marker" to be used to read "M" bits in Siemens processors?

  2. #2
    Join Date
    30.05.2007
    Posts
    105

    Default Re: Reading "M" bits in Siemens

    Quote Originally Posted by scotttee View Post
    Is Driver Object Type "PLC Marker" to be used to read "M" bits in Siemens processors?

    Hi,
    yes to read M-Bits (e.g. M 79.2) you need to use PLC-Marker Object type and BOOL Datatype. In the addressing options you set 79 in Offset and 2 in Bit Number.
    This is for allmost all S7 drivers, e.g. for S7TCP, S7NT, S7HMI...

    Markus

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