_Abb

The time frame for the connection monitoring is defined in an internal data point and the connection status is represented for each connection. The data point is _Abb and contains the following elements.

Data point element Type Description
AliveTimeout int Sets the time frame for the connection monitoring. If there are no incoming messages within this time frame the connection is closed. Only the active connection is monitored.
redConnection bool Presents the status of the redundant connection. The connection description specified for the data point element connection (see above) applies also to redConnection.
Connection > bool Presents the status of the ”r;normal” connection. TRUE means that a connection exists. FALSE means that the connection was disconnected. If this is the active connection also the result of the alive monitoring is included otherwise only the status that is notified by the operating system.