Fuji Electric SPH Series - CPU Memory Size Definition

3-6
Section 3 System Denition
3-3-2 CPU memory size denition
Set the size of the internal data memory of the main unit.
Although the whole size of the user memory area cannot be changed, you can change the size of individual area as needed.
The size can be changed in units of 64 words.
<Individual memory size changing range>
The size of user memory area can be changed in the range shown in the following tables. However, the total value of user
memory areas is xed.
Main unit with 14/24 points
Memory type Minimum value Initial value Maximum value
Standard memory (non-retain memory) (%MW1) 4K words 4K words 20K words
Retain memory (%MW3) 0K word 2K words 16K words
User FB instance memory 0K word 4K words 7.5K words
System FB instance memory 0K word 5.5K words 16K words
Memory type Minimum value Initial value Maximum value
Standard memory (non-retain memory) (%MW1) 4K words 8K words 40K words
Retain memory (%MW3) 0K word 4K words 36K words
User FB instance memory 0K word 8K words 16.5K words
System FB instance memory 0K word 11K words 36K words
Main unit with 32/40/60 points
<Setting procedure>

Click the [Memory allocation setting] button on the “Resource setting of MICREX-SX” dialog box. The “Memory allocation
setting” dialog box opens.
* When the sizes of the retain memory, user FB memory and system FB memory are set, the remaining size becomes the size
of non-retain memory.

After setting all necessary items, click the [OK] button.
*
Set the area reserved for additional
variables used for rewriting a program
during PLC operation (Patch POU).
Select whether variables
are to be added using
the reserved area when
rewriting a program
during PLC operation
(Patch POU).