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Monitoring communication data
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SI monitor
Name on/off
Save name Reload name
Check name
I/O name entry field
Function
Name on/off Shows/hides the name.
Save name Sends the name that is entered in the name entry field to the controller.
Reload name Loads the name from the controller, updating the indication of the name entry field.
Check name
Checks whether the entered I/O name conforms to the prescribed rules. For details on the
naming rules for an I/O name, see "I/O name entry field" below.
I/O name entry field
Enters the I/O name. Observe the following naming rules when entering the name.
• The maximum is 16 characters.
• Single-byte alphanumeric characters and "_" (underscore) can be used.
• Uppercase and lowercase alphabetical characters are distinguished.
• A numeral cannot be used as the first character.
• It is not possible to assign an I/O name that is identical to a reserved word, or that starts
with a system variable name.
• It is not possible to assign the same I/O name to more than one I/O.
• Since SI00-07 and SI10-17 are dedicated bit inputs, the I/O name cannot be input.
Similarly, I/O name input is not possible for DI inputs (DI00-07 and DI10-17).
* For a list of reserved words and system variables, and for usage examples of variable names, refer to "13. Reserved word
list."
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SIW monitor
Display unit
Function
Display unit Displays port values in hexadecimal or decimal.
Name on/off
If the name is hidden
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