ResolveHostname (FB)

FUNCTION_BLOCK PUBLIC FINAL ResolveHostname EXTENDS ETrigTo

Attempts to resolve the sHostname to an IIPAddress.
If an IP address is already specified as a parameter, its format is checked.

The time out value has no effect for this function block.

InOut:

Scope

Name

Type

Initial

Comment

Inherited from

Input

xExecute

BOOL
Rising edge: Starts defined operation
FALSE: Resets the defined operation after ready condition was reached

ETrigTo

udiTimeOut

UDINT

Max. operating time for executing [µs], 0: No operating time limit

ETrigTo

Output

xDone

BOOL

Ready condition reached

ETrigTo

xBusy

BOOL

TRUE: Operation is running

ETrigTo

xError

BOOL

TRUE: Error condition reached

ETrigTo

eErrorID

ERROR

ETrigTo

Input Const

itfAsyncProperty

IAsyncProperty

Input

sHostname

REFERENCE TO STRING

udiIndex

UDINT

0

Select a specific item, if more then one interface per hostname is avaiable

Inout

itfIPAddress

IIPAddress

Output

udiCount

UDINT

The number of possible IP addresses for the sHostname specified

Methods:

Structure: