FB_iec61850ConnectionClass

The function block FB_iec61850ConnectionClass implements interfaces for establishing communication and exchanging data between the TwinCAT PLC server application and the IEC 61850 client. A function block instance implements a server session (a server connection with a remote client).

Namespace: Tc3_iec61850
Library: Tc3_iec61850 (Tc3_iec61850.compiled-library)

Inheritance hierarchy

FUNCTION_BLOCK FB_iec61850ConnectionClass IMPLEMENTS
    I_ScsmConnectionClass,
    I_ScsmAbortIndEventSink,
    I_ScsmAssociateIndEventSink,
    I_ScsmReleaseCnfEventSink,
    I_ScsmReleaseIndEventSink
VAR_INPUT
    settings : FB_ScsmConnectionSettingsClass;
END_VAR

Interfaces

Type	Description
I_ScsmConnectionClass	Interfaces for establishment of communication and data exchange.
I_ScsmAbortIndEventSink	Interface of the Abort service event handling routine.
I_ScsmAssociateIndEventSink	Interface of the Associate service event handling routine.
I_ScsmReleaseCnfEventSink	Interface of the Release service event handling routine.
I_ScsmReleaseIndEventSink	Interface of the Release service event handling routine.

Inputs

Name	Type	Description
settings	FB_ScsmConnectionSettingsClass	Protocol settings for the communication layer.

Methods

Name	Description
Execute	This method triggers the execution of the communication layer.
AssociateRsp	Responds to the service: Associate.
ReleaseReq	Enables the service: Release.
ReleaseRsp	Responds to the service: Release.
AbortReq	Enables the service: Abort.

Methods of event handling (callback methods)

Name	Description
OnAssociateInd	User-defined Associate service event handling routine.
OnReleaseCnf	User-defined release service event handling routine.
OnReleaseInd	User-defined release service event handling routine.
OnAbortInd	User-defined abort service event handling routine.

Properties

Name	Type	Access	Description
eLinkStatus	E_ScsmLinkStatus	Get	Server Link status. Link status of the network adapter (accepted sockets).
eState	E_AsyncEnvironmentState	Get	Environmental state of the communication connection.
ipSettings	I_ScsmConnectionSettingsClass	Get	Protocol settings for the communication layer.
ipServer	I_ScsmServerClass	Get,Set	Interface pointer of an object that implements the server (container).
ipAssociateInd	I_ScsmAssociateIndEventSink	Set	Interface pointer of an object with a user-defined implementation of the event handling routine: OnAssociateInd.
ipReleaseCnf	I_ScsmReleaseCnfEventSink	Set	Interface pointer of an object with a user-defined implementation of the event handling routine: OnReleaseCnf.
ipReleaseInd	I_ScsmReleaseIndEventSink	Set	Interface pointer of an object with a user-defined implementation of the event handling routine: OnReleaseInd.
ipAbortInd	I_ScsmAbortIndEventSink	Set	Interface pointer of an object with a user-defined implementation of the event handling routine: OnAbortInd.
ipAssociation	I_ScsmAssociationClass	Get	Interface pointer of an object that identifies the server connection (session).
sDesc	STRING	Get,Set	The description of the server connection (session).