Memory Map - Omron CJ2 - 02-2010 User Manual

Appendices
A-4-2

Memory Map

The following table shows the PLC memory addresses of the I/O memory area. The I/O memory area is
backed up by a battery. If there is no battery, the contents of the I/O memory area may become cor-
rupted.
Note Do not access the areas indicated Reserved for system.
Classification
I/O memory areas
Note The contents of the EM Area bank currently specified in the program is stored at these addresses. For exam-
ple, if bank 1 is specified, the same contents as at 20000 to 27FFF will be stored at F8000 to FFFFF.
A-142
PLC memory
User addresses
addresses (hex)
00000 to 0B7FF
0B800 to 0B801 TK0000 to TK0031
0B802 to 0B83F
0B840 to 0B9FF A000 to A447
0BA00 to 0BDFF A448 to A1471
A10000 to A11535
0BE00 to 0BEFF T0000 to T4095
0BF00 to 0BFFF C0000 to T4095
0C000 to 0D7FF CIO 0000 to CIO 6143
0D800 to 0D9FF H000 to H511
0DA00 to 0DDFF H512 to H1535
0DE00 to 0DFFF W000 to W511
0E000 to 0EFFF T0000 to T4095
0F000 to 0FFFF C0000 to C4095
10000 to 17FFF D00000 to D32767
18000 to 1FFFF E0_00000 to E0_32767
20000 to 27FFF E1_00000 to E1_32767
: :
D8000 to DFFFF E18_00000 to E18_32767 EM Area bank 18 hex
: :
F8000 to FFFFF E_00000 to E_32767
Area
Reserved for system.
Task Flag Area
Reserved for system.
Read-only Auxiliary Area
Read/Write Auxiliary Area
Read-only Auxiliary Area
Timer Completion Flags
Counter Completion Flags
CIO Area
Holding Area
Holding Area
These words are used for function blocks
only.
Work Area
Timer PVs
Counter PVs
DM Area
EM Area bank 0
EM Area bank 1 hex
:
EM Area, current bank (See note.)
CJ2 CPU Unit Software User's Manual