`CONSTANTS` (GVL)

Attributes:

qualified_only

InOut:

Scope	Name	Type	Initial	Comment
Constant	gc_FIRST_MULTICAST_IP	`UDINT`	16#E0000000	First Multicast IP is 224.0.0.0
	gc_LAST_MULTICAST_IP	`UDINT`	16#EFFFFFFF	Last Multicast IP is 239.255.255.255
	gc_DEFAULT_SUBNETMASK	`UDINT`	16#FFFFFF00

CONSTANTS (GVL)