Downloading The Sample Program; Placing The S7-200 In Run Mode - Siemens Simatic S7-200 System Manual

Saving the Sample Project
After entering the three networks of instructions, you have finished entering the program. When you save
the program, you create a project that includes the S7-200 CPU type and other parameters. To save the
project:
1. Select the File > Save As menu command
from the menu bar.
2. Enter a name for the project in the Save As
dialog box.
3. Click OK to save the project.
After saving the project, you can download the
program to the S7-200.

Downloading the Sample Program

Tip
Each STEP 7–Micro/WIN project is associated with a CPU type (CPU 221, CPU 222, CPU 224, CPU
226, or CPU 226XM). If the project type does not match the CPU to which you are connected,
STEP 7–Micro/WIN indicates a mismatch and prompts you to take an action. If this occurs, choose
"Continue Download" for this example.
1. Click the Download icon on the toolbar or
select the File > Download menu
command to download the program. See
Figure 2-11.
2. Click OK to download the elements of the
program to the S7-200.
If your S7-200 is in RUN mode, a dialog box
prompts you to place the S7-200 in STOP mode.
Click Yes to place the S7-200 into STOP mode. Click Yes to place the S7-200 into STOP mode.

Placing the S7-200 in RUN Mode

For STEP 7–Micro/WIN to place the S7-200 CPU in RUN mode, the mode switch of the S7-200 must be
set to TERM or RUN. When you place the S7-200 in RUN mode, the S7-200 executes the program:
1. Click the RUN icon on the toolbar or select
the PLC > RUN menu command.
2. Click OK to change the operating mode of
the S7-200.
When the S7-200 goes to RUN mode, the output
LED for Q0.0 turns on and off as the S7-200 LED for Q0.0 turns on and off as the S7-200
executes the program.
Congratulations! You have just completed your first S7-200 program.
You can monitor the program by selecting the Debug > Program Status menu command.
STEP 7–Micro/WIN displays the values for the instructions. To stop the program, place the S7-200 in
STOP mode by clicking the STOP icon or by selecting the PLC > STOP menu command.
Getting Started
Figure 2-10 Saving the Example Program
Figure 2-11 Downloading the Program
Figure 2-12 Placing the S7-200 in RUN Mode
Chapter 2
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