File Operations; File Memory; Types Of File Memory - Omron CJ2 - 02-2010 User Manual

7 File Operations

7-1

File Memory

7-1-1

Types of File Memory

File memory can be used to store files in CJ-series PLCs. The two following types of file memory are
used.
• Memory Cards
• A specified range in the EM Area called EM file memory
CPU Unit
EM Area
EM file memory
With the CJ-series PLCs, Memory Cards and a specified range of the EM Area can be used as memory
to store files. Either can be used to save the entire user program, I/O memory, and parameter areas as
files.
Category
Memory Card
Built-in RAM
(EM File Memory)
7-2
Memory
Card
Memory type
Flash memory HMC-EF183: 128 Mbytes
HMC-EF283: 256 Mbytes
HMC-EF583: 512 Mbytes
RAM EM Area capacity up to 13 banks from
bank specified in EM Area to last bank
in EM Area
File
Memory capacity
CJ2 CPU Unit Software User's Manual
Storable file types
• Program files
• Comment files
• Program index files
• Symbol table files
• Parameter files
• Unit and Board backup files
(Memory Card only)