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CJ1-H/CJ1M CPU Unit Ver. 3.0 Upgrades Section 1-4
• Program index files (CX-Programmer section names, section comments,
and program comments)
CX-Programmer Ver. 5.0 When downloading projects using the CX-Programmer Ver. 5.0, either of the
following storage locations can be selected as the transfer destination for
comment data and section data.
• Memory Card
• EM file memory
• Comment memory (in CPU Unit’s internal flash memory)
CX-Programmer Ver. 4.0 or
Earlier
When using CX-Programmer Ver. 4.0 or earlier, data is stored in either the
Memory Card or EM file memory, whichever is available. If neither the Mem-
ory Card nor EM file memory is available, the comment/section data is stored
in comment memory (in CPU Unit’s internal flash memory).
1-4-4 Simple Backup Data Expanded
Unit Ver. 2.0 or Earlier The simple backup function could not be used to back up comment data or
section data.
Unit Ver. 3.0 or Later The following files stored in comment memory can be backed up to a Memory
Card when a simple backup operation is executed, or the files can be restored
to comment memory from the Memory Card.
• Symbol table files (including CX-Programmer symbol names and I/O
comments)
• Comment files (CX-Programmer rung comments and other comments)
CX-Programmer Ver. 5.0 or later
Project
Transfer
Symbol table file
Comment file
Program index file
CPU Unit
Memory Card
EM file memory
Comment/section data can be stored in this area.
Comment/section data can be stored in the actual PLC
when downloading projects.
Comment
memory
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