Mitsubishi FX3G Series Programming Manual page 56

FX /FX /FX /FX
3G 3U 3GC 3UC
Programming Manual - Basic & Applied Instruction Edition
2
Setting memory capacity
Set item
Memory capacity
Comments capacity
File register capacity
Program capacity
Special Function
Memory capacity
Special Function
Block Settings
*2
(8 Blocks)
Positioning
Instruction Settings
(18 Blocks)
Built-in CC-Link/LT
*3
Setup
*1. The initial value is 8000 steps in GX Developer Ver. 8.22Y or earlier and FX
*2. This function is supported only in FX
*3. This item is supported only in the FX
Caution
FX /FX PLCs operate in the extension mode when the program capacity (which is available for sequence
3G 3GC
programs, and excludes the comment capacity, file register capacity, etc.) is 16,001 steps or more, and operate in the
standard mode when the program capacity is 16,000 steps or less.
The instruction execution time is longer in the extension mode than in the standard mode.
Example:
54
Series
Set the program memory capacity. Initial value: 16000
Set the capacity of comments to be stored in the PLC. Initial value: 0
50 device comments/block (500 steps)
Set the file register capacity. Initial value: 0
500 file registers/block (500 steps)
The number of steps available for sequence program is displayed here.
Select whether the special unit initial value settings and positioning settings will be used or
not.
Selects the initial value setting function for special function block/unit. (When this function is
valid, the special unit setting is displayed on "I/O assignment" tab.)
Validates the TBL (FNC152) instruction setting function.
(When this function is valid, the "Positioning" tab is displayed.)
Validates the CC-Link/LT station information setting function.
Time required to execute the basic instruction "LD"
Standard mode: 0.21 µs
This example shows a window in FX
FX
Contents of setting
*1
/FX PLCs.
3U 3UC
-32MT-LT-2.
3UC
Extension mode: 0.42 µs
2 Overview (Sequence Program)
2.7 Types and Setting of Parameters
PLCs.
3UC
/FX PLCs.
3G 3GC
/
3U
Setting range
Refer to
Subsection
2.7.3.
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