Section 3 Engineering and Configuration Configuring Using Vtrin
2PAA107563-600 B 23
Table 2. Current Data Collection - Fields and Description
Field name Description
Activity Drop-down menu to enable or disable storing data in history server.
This is a mandatory field. By default, Inactive will be selected. This will
not update the tag data. If Active is selected, the tag stores the data in
history.
Protocol type Denotes the type of OPC Protocol to be used. OPC DA to be selected
for a DA subscription and OPC UA for UA subscription
Path For OPC DA: Denotes the OPCDA path for the tag to subscribe data.
Format for specifying this field is: opcda://NODENAME(OR IP)/DA
SERVER PROGID/DA SERVER CLSID/TAG Link.
For example, if Matrikon OPC DA Explorer is used, for a tag called
Random, NODENAME(OR IP): If localhost, then Leave this section
blank.Otherwise, give node name or IP from the node it is subscribed.
Remember to do DCOM settings if the data is to be subscribed from
other Node.
DA SERVER PROGID: Matrikon.OPC.Simulation.1
DA SERVER CLSID: {F28134-XXXX-XXXX-XXXX}
TAGNAME: Random.Real4
So the string will be:
opcda:///Matrikon.OPC.Simulation.1/{F28134-XXXX-XXXX-
XXXX}/Random.Real4
If OPC server is used as remote server then make sure OPC server
executable is exempted from firewall.
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