Siemens SIMATIC S7-300 Quick Start Manual page 66

Downloading and Testing Your User Program
What Do You Have to Know about Testing?
Introduction
Regardless of whether you want to test a block created in STL, LAD, or
FBD, you can always:
Meaning of the When you set the trigger condition, you set the call environment for the
Trigger Condition
block to be tested. The test function is only executed if the trigger condition
set is also fulfilled. You can choose between three different settings, as
shown in Figure 7-2:
Figure 7-2 Defining the Trigger Condition
For the sample program, the default setting 'No Condition' applies since the
call environment of the block to be tested is not important.
7-4
Define the trigger condition,
Select the test environment and
Define the settings for the test display.
We will explain the meanings of
Block Call Environment
Trigger Condition
No Condition
Call Path
Open Data Blocks
OK
these settings below!
1st Block:
2nd Block:
3rd Block:
Block Status: FC1
DB1 Number:
DB2 Number:
Cancel
Primer: S7-300 Programmable Controller, Quick Start
C79000-G7076-C500-01
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