Siemens SIMATIC S7-200 Руководство - Страница 33

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5.1.3

Entering the operand and testing

After you insert the new contact, you must specify the correct operand.

Click the operand field and then input the operand: I0.2.

Press the Enter key to confirm the input.

Don't forget to save your changes!

Click the field with the mouse at any time to

select it again.

If you want to test a modification:

Download the modifications to the PLC and

test the program. Actuate switches S0 and

S2 to start the motor.

View your program in ladder status mode

and observe the switch state change

displayed in the ladder diagram.

Getting Started - Beginners

Training Documents, 07/2007, A5E01031470B

More exercises

5.1 First program modification