
10.EXTENDED SYMBOL/COMMENT FUNCTION B-63484EN/05
- 342 -
Fig. 10.3.3
NOTE
1 When the symbol is used in multiple parts of
ladder, please do not change the symbol name by
pushing <Modify> button. In this case, please add
the symbol by pushing <Add> button. Otherwise,
you may see unexpected side effect of the change,
such as undefined symbol.
2 If you want to change the symbol of the ladder
program, please use Search/Replace function.
10.3.4 Tool Tip
When you move cursor onto a basic instruction or a parameter of a
functional instruction, related symbol, address, and comment are
displayed.
Fig. 10.3.4
Procedure
1 Click [O
ption] in [Tool] menu.
2 Click [Ladder] tab in [Option] window.
3 Check Tool tip.
In cases below, tool tip will not appear:
• Symbol is not defined (undefined symbol)
• Symbol is defined, but its address is not assigned yet.