Siemens C79000-G8976-C156-07 Manuel D’Utilisation
7
Example — OPC Application for Industrial Ethernet
91
Commissioning PC Stations - Manual and Quick Start
Release 5/2005
Release 5/2005
C79000-G8976-C156-07
7.5.2
Inserting a Group 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 items.
Follow the steps outlined below to create a group and add items to it:
groups. You therefore require an OPC group before you can insert OPC items.
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
“IE_Sample” as the group name and confirm your input with “OK”:
“IE_Sample” as the group name and confirm your input with “OK”:
2.
Double-click on the group entry “IE_SAMPLE” to open the OPC Navigator. In the left-hand
pane, you will see the hierarchically arranged name space of the OPC variables.
pane, you will see the hierarchically arranged name space of the OPC variables.
3.
If you click on an element in the tree (here pump 2), the OPC items defined for this element
appear in the middle pane of the window:
appear in the middle pane of the window: