Omron CJ2 CPU UNIT SOFTWARE User Manual page 83

DM Area Word Allocations for Special I/O Units and CPU Bus Units
If a Special I/O Unit or CPU Bus Unit is used, make the settings for the words allocated in the DM
Area, and then transfer the settings to the CPU Unit.
Use one of the following methods to set the allocated DM Area words with the CX-Programmer.
• Right-click each Special I/O Unit or CPU Bus Unit in the I/O tables, and then select Edit CPU Bus
Unit Settings to set the allocated DM Area words.
• Set the allocated DM Area word in PLC memory.
Set the allocated DM Area words for each Special I/O Unit or CPU Bus Unit with the CX-Program-
mer, and then transfer the settings to the CPU Unit.
Transferring from the CX-Programmer
Make the settings for the Unit
in the I/O tables and then transfer
the settings to the CPU Unit.
CJ2 CPU Unit Software User's Manual
Special I/O Unit or CPU Bus Unit
CPU Unit
SCU41
SYSMAC
RUN MS RUN SCU41
CJ2H ERC SD1 RD1 TER1
ERR/ALM NS RUN ERC SD1 RD1
CPU64-EIP
INH COMM
RDY ERH SD2
PROGRAMMABLE 100M RD2 RDY
PRPHL ERH SD2 RD2
CONTROLLER
COMM 10M TERM
TERM
BKUP OFF ON
OFF ON
UNIT
OPEN
NO.
WIRE
2 4 WIRE
2 4
MCPWR
PORT1
BUSY PORT1
(RS422
(RS422
/485)
/485)
PERIPH ERAL
Settings in allocated
PORT
DM Area words for
PORT2
PORT2
Special I/O Unit or
CPU Bus Unit
Settings for allocated DM Area words in PLC memory
Or
4 CPU Unit Initialization
SCU41
TER1 RUN ERC SD1
RD1 TER1
RDY ERH SD2 RD2
TERM
OFF
UNIT ON
UNIT
NO.
NO.
WIRE
2 4
PORT1
(RS422
/485)
PORT2
4
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