Omron CJ2 CPU UNIT SOFTWARE User Manual page 301

These 100 words are generally used to hold initial settings for the CPU Bus Unit. When the contents
of this area are changed from the program to reflect a change in the system, the Restart Bits
(A501.00 to A501.15) for affected Units must be turned ON to restart the Units.
DM Area for CPU Bus Units
100 words/Unit
Additional information
The built-in EtherNet/IP port of the CJ2H-CPU6@-EIP or CJ2M-CPU3@ is treated as a CPU Bus
Unit according to the rotary switch setting. Use the following procedure to set the communica-
tions parameters.
(1) Select CJ2B-EIP21 (built-in EtherNet/IP port for CJ2H) or CJ2M-EIP21 (built-in Ether-
Net/IP port for CJ2M) under Built-in Port/Inner Board in the I/O tables of the PLC.
Right-click and select Unit Setup.
CJ2 CPU Unit Software User's Manual
CPU Bus Unit
CPU Unit
Transferred
when power
is turned ON
or the Unit is
restarted.
Transferred
each cycle
and when
necessary.
8 I/O Allocations and Unit Settings
8
8-27