1.6 How to Tackle Programming
If you are an experienced user, you have probably found the most
suitable method for creating programs for yourself and you can skip
this section.
Less experienced readers will find tips for designing, programming,
testing and starting up your STEP 5 program.
Implementation stages
The implementation of the STEP 5 control program can be divided
into three stages:
Stage Activity
1 Determining the technological task
2 Designing the program
3 Creating, testing and starting the program
Recursive procedure
In practice, you will recognize that certain steps must be repeated
(recursive procedure), e.g. when you realize that more signals are
required to improve the handling of the task.
Stage 1
Determining the technological task:
Stage Activity
1 Create a general block diagram outlining the control
tasks of your process.
2 Create a list of the input and output signals required
for the task.
3 Improve the block diagram by assigning the signals
and any particular time conditions and/or counter
statuses to the individual blocks.
How to Tackle Programming
CPU 948 Programming Guide
C79000-G8576-C848-04
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