Mitsubishi Electric M800VW Series Manual page 461

M800V/M80V Series PLC Development Manual
6 Explanation of Built-in Editing Function (PLC On-board)
6.15 Ladder Menus
When screen resolution is "VGA" and the display size is "REDUCE", if character constant , device comment, note, or
statement is input with other than ASCII characters, it is replaced with "?".
Name and device ON/OFF state is displayed as follows when FB instance is displayed on ladder screen.
When transitioning to ladder in FB by searching, the program which uses the FB cannot be found and monitor is stopped. In
this case, "MON. STOP(FB)" is displayed in the top-right of the screen.
Restrictions
The following restrictions apply to the ladder display on the ladder display screen.
 One ladder block must be created with 24 or less lines. An error will occur if there are more than 24 lines in one ladder
block.
 The maximum number of contacts in one ladder line can be changed with the ladder display setting popup screen.
 The following table describes the number of characters displayed in comments.
Type
Device comments
Statements
Notes
Aliases
 Inline structured text box is not displayed.
 When FB is created in a programming language which cannot be displayed, FB instance monitor screen is not displayed.
An error message "The FB is created in the programming language which cannot be displayed." is displayed.
is displayed.
 If label name is long, the following items are abbreviated ("...").
(1)
No Item name
Pointer labels
(1)
FB name
(2)
(FB name (FB Instance name))
Label used for inputting/output-
(3)
ting FB
IB-1501614-B
Number of characters displayed on ladder screen
This is changed by the settings configured on the comment display setting screen.
All set characters are displayed.
(2)
(3)
Number of displayed characters
Up to 9 one-byte characters can be displayed.
10 or more characters are abbreviated.
Up to 34 one-byte characters can be displayed.
FB instance name is displayed first.
35 or more characters are abbreviated.
Up to 15 one-byte characters can be displayed.
16 or more characters are abbreviated.
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