LWORD

Bit string of 64 bits.

Size

64 bits

Range

16#0000000000000000 to 16#FFFFFFFFFFFFFFFF

Default

16#0000000000000000

IEC 61131-3

Section 2.3.1

Support

Supported

Literals

LWORD#16#FFFFFFFFFFFFFFFF
LWORD#16#0000000000000001

Example

data := LWORD#16#DEADBEEF12345678;
mask := LWORD#16#00000000FFFFFFFF;
filtered := data AND mask;  (* filtered = 16#12345678 *)

Bit Access

Individual bits can be read and written using .n or .%Xn syntax (for example, data.40 or data.%X40). Valid indices are 0..63. See Bit Access.

See Also

  • DWORD — 32-bit bit string

  • ULINT — 64-bit unsigned integer

  • Bit Access — selecting an individual bit of a bit-string value