Using A Status Chart To Monitor And Modify The Data In The S7-200 - Siemens SIMATIC S7-200 System Manual

Displaying the Status of the Program in STL
You can monitor the execution status of your STL program on an instruction-by-instruction basis.
For an STL program, STEP 7--Micro/WIN displays the status of the instructions that are displayed
on the screen.
STEP 7--Micro/WIN gathers status information from the S7-200, beginning from the first STL
statement at the top of the editor window. As you scroll down the editor window, new information is
gathered from the S7-200.
STEP 7--Micro/WIN continuously
updates values on the screen. To halt
the screen updates, select the Triggered
Pause button. The current data remains
on the screen until you deselect the
Triggered Pause button.
Configuring Which Parameters
Are Displayed in the STL Program
STEP 7--Micro/WIN allows you to display
the status of a variety of parameters for
the STL instructions. Select the Tools >
Options menu command, select
Program Editor, and click on the STL
Status tab. See Figure 8-3. Status tab See Figure 8 3
Using a Status Chart to Monitor and Modify the Data in the
S7-200
The Status Chart allows you to read,
write, force, and monitor variables while
the S7-200 is executing your program.
Select the View > Component > Status
Chart menu command to create a status
chart. Figure 8-4 shows a sample status
chart.
You can create multiple status charts.
STEP 7--Micro/WIN provides toolbar
icons for manipulating the status chart:
Sort Ascending, Sort Descending, Single
Read, Write All, Force, Unforce, Unforce
All, and Read All Forced.
To select a format for a cell, select the To select a format for a cell, select the
cell and click the right mouse button to
display the context menu.
Hardware Troubleshooting Guide and Software Debugging Tools
Figure 8-3
Figure 8-4
Options for Displaying STL Status
Status Chart
Chapter 8
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