You can name Bit Addresses and Word Addresses as you like.
From the [Common Settings (R)] menu, select [Symbol Variable (V)], or click . The [Edit Symbol Variables] window appears.
Double-click a cell in the [Name] column to enter a name. (For example, Switch1)
Symbol variable names have some restrictions.
The maximum number of characters is 32.
You cannot use the following symbols.
+ - * / = % & | \ : . , # ? @ [ ] < > "
You cannot use TAB or DEL.
You cannot use a name starting with a single-byte number.
You cannot use a single-byte space.
You cannot leave the name blank.
Double-byte characters and single-byte characters are different.
Upper case characters and lower case characters are different.
Click the cell in the [Type] column and select either [Bit Address] or [Word Address] type.
For details on types, refer to the following.29.3.2.2 Variable Type
Specify the address on the [Address] column, then go to step 7.
To input a comment, click the cell in the [Comment] column and enter the comment.
For details on comments, refer to the following.29.7.3 Symbol Variable Comments
You can only change and delete registered symbol variables that are not in use.
To delete, select the symbol variable and click or press DELETE.
To register the registered symbol variable to a part placed on a new screen, refer to the following.5.9 Registering Addresses with Descriptive Names