Omron CJ2 CPU UNIT SOFTWARE User Manual page 162

5 Understanding Programming
Word Addresses
@@@@
Indicates the word address
Example: I/O Area
10
Word address
DM and EM Areas addresses are given "D" or "E" prefixes, as shown below for the address D200.
Example: DM Area
D200
Word address
Example: EM Area
E200
Word address
Example: EM Area Bank 1
E01_200
Word address
Bank number
5-70 CJ2 CPU Unit Software User's Manual