Mitsubishi 00JCPU User Manual

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5.2.3 Standard ROM
(1) Definition
This memory is for storing data such as parameters and programs.
Programs and parameters can be stored without battery backup.
(2) Checking the memory capacity
Select [Online] [Read from PLC] in GX Developer.
1) Select "Standard ROM" in "Target memory" on the Read from PLC screen.
2) Click the button.
3) The memory capacity appears in "Total free space volume".
(3) Writing to the standard ROM
The following three methods are available.
• Batch-writing program memory data to the standard ROM by selecting [Online] [Write to PLC (Flash
ROM)] [Write the program memory to ROM] in GX Developer ( Section 5.2.6)
• Writing data by selecting [Online] [Write to PLC (Flash ROM)] [Write to PLC (Flash ROM)] in
GX Developer ( Section 5.2.6)
• Writing data with the automatic all data write from memory card to standard ROM function ( Section
5.2.7)
The file size has its minimum unit. ( Section 5.4.4)
The occupied memory capacity may be greater than the actual file size.
Note that as the number of files increases, the difference between the occupied memory capacity and the actual file size
increases.
Figure 5.17 Procedure for checking the memory capacity
Free space volume
2) Click the
Free space volume button.
1) Select the target memory.
3) The memory capacity
value is shown.

Mitsubishi 00JCPU Specifications

General

Brand	Mitsubishi
Model	00JCPU
Category	Controller
Language	English