8. Tools
8-54
PROTECT MODE
Sets whether to operate arithmetic functions in protection mode.
Status
Description
ON
Ladder arithmetic functions operate in protection mode.
OFF
Ladder arithmetic functions operate without protection mode.
When protection mode is enabled, the ladder program stops if an arithmetic function running on the
SH processor performs write access to any of the areas listed in the following table. At this time, the
system also outputs a data access protection error to the error log.
No.
Address range
Description
1
0x0000 0000 to 0x001F FFFF
Outside the PI/O area
2
0x0047 2000 to 0x0047 FFFF
RI/O trace area and system area
3
0x004B 0000 to 0x004B 1FFF
S10V-compatible option module setting area
4
0x004C B000 to 0x004E FFFF
Error log area
5
0x004F 2000 to 0x004F 9FFF
System area
6
0x0110 0000 or above
Outside the user area
The following table lists the arithmetic functions that run on the SH processor:
No.
Category
Symbol
Remarks
1
Batch transfer
MOM
2
Batch transfer of
identical data
INI
3
FIFO write
PSH
4
FIFO read
POP
5
FIFO write
PSHO
6
FIFO read
POPO
7
Address set
AST
8
Search
SCH
9
BIN
BCD
BTD
10 BCD
BIN
DTB
Summary of Contents for S10VE
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