Siemens C79000-G8976-C156-07 quick start 146

10 Example — SNMP Communication with OPC

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.

146	Commissioning PC Stations - Manual and Quick Start
	Release 5/2005

C79000-G8976-C156-07