getCorrelationId

Declaration

byte[] getCorrelationId(S7RClientSSjToken token).

Purpose

This method gets CorrelationId value from the previous message in the current buffer. This is the value that Substation ES stores.

Parameters

Return

The method returns byte[] value of Correlation Id field. The size is 24 bytes in length. This is not translated, it is the exact value stored by the Substation ES.

Example

S7RClientSSj conn = new S7RClientSSj();
S7RClientSSjToken token = conn.Connect(url, userid, password);
byte[] dataIn = conn.receiveWait(token);
if (dataIn != null) {
  byte[] correlationId = conn.getCorrelationId(token);
}
conn.Disconnect(token);