Hello LeoB please try to write the value of P-0-0023 by type of System.UInt32 (4byte). You can calculate the parameter type (IDN) by an offset. For S Parameter the offset is 0, for P Parameter the offset is 32768. Example: S-0-0051 = 51 P-0-0048 = 48 + 32768 Best regards, Christoph
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