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3 displaying and modifying values of variables – Siemens Commissioning PC Stations C79000-G8976-C156-07 User Manual

Page 93

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7

Example — OPC Application for Industrial Ethernet

93

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

C79000-G8976-C156-07

7.5.3

Displaying and Modifying Values of Variables

Executing Synchronous Write Jobs

Activity

1.

The selected variables are displayed with the following additional information in the table of the
main window:

S

The current value of the item

S

Access Rights

S

Information about the integrity of the data

S

Time Stamp

2.

Now double-click on the “Value” cell of one of the variables, for example on the “0” of the first
OPC item. A dialog opens in which you can change the value of the variable.

3.

Enter, for example, the value 4 in the “Value” input field to write the value 4 to the variable:

4.

Confirm with “OK” to execute the write job.