bcd_to_bin

 Function - Converts a Binary Coded Decimal (BCD) value to a binary value.

Inputs

Input	Data Type	Range	Unit	Default	Description
IN	DINT				Integer value in BCD.

Outputs

Output	Data Type	Range	Unit	Description
Q	DINT			Converts a Binary Coded Decimal (BCD) value to a binary value. Value converted to integer or 0 (zero) if IN is not a valid positive BCD value.

Remarks

• The input must:
  • Be positive.
  • Represent a valid BCD value.

Truth Table

IN	Q
-2	0 (invalid)
0	0
16 (16#10)	10
15 (16#0F)	0 (invalid)

FBD Language Example

FFLD Language Example

• In the FFLD Language, the operation is executed only if the input rung (EN) is TRUE.
  • The output rung (ENO) keeps the same value as the input rung.

IL Language Example

Not available.

ST Language Example

Q := BCD_TO_BIN (IN);

See Also

bin_to_bcd