Digital input Binary Coded Decimal.

 Represents four binary coded decimal (BCD) digits (= 16
 digital signals) on a decimal floating point number.

 The name of the inputs indicating which dignity every
 single input represents.
 The inputs could be connected to thumb wheels etc.

 BCD0 - BCD3 represents integers in the interval {0,1,...,9}
 BCD4 - BCD7 represents integers in the interval {10,20,...,90}
 BCD8 - BCDB represents integers in the interval {100,200,...,900}

 1  BCD1 = BCD4 = BCD7 = TRUE and the rest FALSE.

    VAL gets the value BCD1 * 2 + BCD4 * 10 + BCD7 * 80 = 92
    and err becomes FALSE, i.e. zero
 2  BCD1 and BCD3 set ( 2 + 8 ). Such a combination is
    impossible !

    VAL = last valid value and err is TRUE, i.e. one

 More DiBCD objects can be connected in parallel to
 additional BCD-input signals.

• BCDDo

 BCD0 - BCD3 defines the ones digit.

 BCD4 - BCD7 defines the tens digit.

 BCD8 - BCDB defines the hundreds digit.

 BCDC - BCDF defines the thousands digit.

 Last valid value, if Error is FALSE.

 Error flag. FALSE means that the ActVal is reflecting
 the inputs; TRUE means that some error has occurred in
 the last conversion.

 TRUE means that all inputs shall be inverted. If, for
 example, only the first 4 bits are used in an
 application, the remaining 12 bits have to be set TRUE
 in the development environment, or else an error is
 introduced.