Справочник Пользователя для Siemens C79000-G8976-C156-07
8
Example — OPC Application for PROFIBUS-DP
106
Commissioning PC Stations - Manual and Quick Start
Release 5/2005
C79000-G8976-C156-07
8.5.2
Inserting Groups and Variables
Organizing Process Variables
The process variables of the OPC server (known as OPC items) are assigned to
groups. You therefore require an OPC group before you can insert OPC variables.
groups. You therefore require an OPC group before you can insert OPC variables.
Follow the steps outlined below to create a group and add items to it:
Activity
1.
After the OPC Server starts, a dialog opens in which you can create a group. Enter “5613_DP”
as the group name and confirm your input with “OK”:
as the group name and confirm your input with “OK”:
2.
Double-click on the group entry “5613_DP” to open the OPC Navigator.
In the left-hand pane, you will see the hierarchically arranged name space of the OPC
variables.
variables.
3.
If you click on an element in the tree, the OPC items defined for the element appear in the
middle pane of the window:
middle pane of the window: