LS ELECTRIC XGT Series, User Manual, Page: 214 / 804

Chapter 4. Variable/Comment
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[Description of dialog box]
a. Variable kind: only VAR_GLOBAL can be here
b. Variable: duplicated variable name is not allowed.
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Number can’t used as the first character.
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Special character can’t be used. (But,‘_’ can be used.)
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Empty space can’t be used.
- Same name with device is not allowed (example: M0, F0....)
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In case all item in line are empty, if you input variable, type will be the BIT, default value
c. Type: total 23 types are available.
- Basic type (17): (BIT, NIBBLE, BYTE, WORD, DWORD, LWORD, SINT, INT, DINT, LINT, USINT, UINT,
UDINT, ULINT, REAL, LREAL, STRING, TIMER0_1, TIMER1, TIMER10,
TIMER100, COUNTER)
- Additional type by Module (6): (TIMER0_1, TIMER1, TIMER10, TIMER100, COUNTER, FB_INST)
d. Device: inputs device. If you don’t input device, automatically allocated area is displayed.
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N/A[AUTO]: When device is not allocated automatically
- Device[AUTO]: When device is allocated automatically (Example, D0000.0[AUTO])
e. Latch: For automatic variable, sets non-latch, latch1, latch2
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When allocating device, latch column is not activated
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You can edit latch area at device area setting window of basic parameter
f. Used: displays whether it is used or not in program.
g. Comment: all kind of characters are allowed.
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Use Ctrl + Enter for multi-line input
h. Effectiveness of line: Variable kind, variable, type are necessary for registering at global variable window
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When line is not complete, that line is displayed as pink color
Note
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When editing shell, if error occurs, it is displayed as pink color
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When editing shell, if you press ESC, previous value will be restored
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When Device Auto-allocation Parameter is not set, device is not allocated for automatic variable.
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If device auto-allocation parameter changes, device for automatic variable may change.
- Index device, #device, #index device can’t be used as automatic variable