Siemens SIMATIC ET 200S Function Manual - Page 30

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Application example

5.2 Sequence of the application example

Parameterization errors are indicated at the output parameters myFC_control.error = TRUE

and myFC_control.errorID = 16#0000.

Example: You have set an invalid parameter number (myParaNumber = 9999).

To acknowledge the parameterization error, you must set the variables myCommand and

myCmdExecute to CMD_RESET_ERR and TRUE respectively.

The output parameters are then reset with myFC_control.error = FALSE and

myFC_control.errorID = 16#0000.

Example: Read parameter

Proceed as follows to read a parameter:

1. Set the myCommand variable to CMD_READ in the symbol browser.

2. Assign the myParaNumber variable the parameter number to be read (e.g. "1120", startup

time).

3. Set the mySubIndex variable to "0".

4. Start the command with myCmdExecute = TRUE.

The parameter value read from the ET 200S FC is output in the myParaValueRd variable.

Example: Write parameter

Proceed as follows to write a parameter:

1. Set the myCommand variable to CMD_WRITE in the symbol browser.

2. Assign the myParaNumber variable the parameter number to be written (e.g. "1120",

startup time).

3. Set the mySubIndex variable to "0".

4. Enter the parameter value to be written (e.g. "50") in the myParaValueWr variable.

5. Start the command with myCmdExecute = TRUE.

The value entered in the myParaValueWr variable is transmitted to the ET 200S FC.

Example: Activate command data set 1

Proceed as follows to activate command data set 1:

1. Set the myCommand variable to CMD_USE_DATA1 in the symbol browser.

2. Start the command with myCmdExecute = TRUE.

Example: Activate command data set 2

Proceed as follows to activate command data set 2:

1. Set the myCommand variable to CMD_USE_DATA2 in the symbol browser.

2. Start the command with myCmdExecute = TRUE.

Supplement for the ET 200S frequency converter

Function Manual, 01/2015