TCP_Server (FB)

FUNCTION_BLOCK PUBLIC FINAL TCP_Server EXTENDS LConC IMPLEMENTS IServer, IServer_Internal, IOptionConsumer

Sets up a server over the ip and port specified in itfIPAddress and uiPort. A server can handle several connections. The output itfServer of these function block can be used to establish a connection via TCP_Connection.

InOut:

Scope	Name	Type	Initial	Comment	Inherited from
Input	xEnable	BOOL		TRUE: Activates the defined operation FALSE: Aborts/resets the defined operation	LConC
Output	xBusy	BOOL		TRUE: Operation is running	LConC
	xError	BOOL		TRUE: Error condition reached	LConC
	eErrorID	ERROR			LConC
Input Const	udiMaxConnections	UDINT	5	Maximum number of connections queued in TCP Stack
	itfAsyncProperty	IAsyncProperty
	itfTLSContext	ITLSContext
	itfTSNContext	ITSNContext
Input	itfIPAddress	IIPAddress
	uiPort	UINT
Output	xActive	BOOL
	itfServer	IServer

Methods:

SetInitialValue

SetOptionProvider

Structure:

• IOptionConsumer
  • TCP_Server.SetOptionProvider (METH)
• TCP_Server.SetInitialValue (METH)