Siemens Commissioning PC Stations C79000-G8976-C156-07 - Manual (Page 146)

10 Example — SNMP Communication with OPC
146
Commissioning PC Stations - Manual and Quick Start
Release 5/2005
C79000-G8976-C156-07
Activity
6. Select the MIB objects for the profile in the structure tree on the left and drag them to the profile
area of the dialog box. You can also select a node and drag it to the right-hand area. In this
case, all the SNMP variables belonging to the node are adopted as OPC variables.
7. Structuring of the variables in the profile area is possible, in keeping with the OPC specification,
by creating groups. To do this, click on the “Create Group” button.
8. Check whether or not the adopted SNMP variables still include unspecified instances of
variables. Such elements are indicated by a “!”. Double-click on such elements to open the
“Enter Instances” dialog box.
For example, for an 8-port switch, the object ifOperStatus must be assigned the instances 1 - 8
so that the OPC items ifOperStatus.1 to ifOperStatus.8 can be formed).
9. Save the profile by clicking on the “Save” button. You can select the newly created profile in the
“Device Profile” list box of the “Add Nodes” dialog box.