254
Using File Memory Section 5-3
Initializing Individual EM
File Memory
A specified EM bank can be converted from ordinary EM to file memory.
Note The maximum bank number for CJ-series CPU Units is 6.
EM used for file memory can be restored to ordinary EM status.
The start bank number for file memory can be changed.
PLC Setup
When using the CX-Programmer, make the settings on the CPU Settings Tab
Page.
Programming
Console
Initialize EM file memory.
Or
CX-Programmer
Bank 0
Bank n
Bank C
Bank 0
Bank n
Bank C
Converted to
file memory
1. Set n in PLC Setup.
2. Use a Programming Device or
FINS command to format starting at n.
3. "n" is stored in A344.
Bank 0
Bank n
Bank C
Converted to
file memory
Bank 0
Bank n
Bank C
Cleared
1. Set file memory OFF in PLC Setup.
2. If a Programming Device or FINS command
is used for formatting, memory starting at n will
be cleared to 0000 Hex.
3. FFFF Hex will be stored in A344 to indicate
that there is no EM file memory.
Note: Any file data present will be deleted at this time.
Bank 0
Bank n
Bank m
Bank C
Bank 0
Bank n
Bank m
Bank C
Clear
Converted to
file memory
1. Change n to m in PLC Setup.
2. Use a Programming Device or FINS command
to convert banks starting at m to file memory.
Note: Banks n to m-1 will be cleared to 0000 Hex.
3. m will be stored in A344.
Note: Any file data present will be deleted at this time.
Converted to
file memory
To Next Page
Loading...
