Plc Communications Data Areas - Omron CJ1W-EIP21 - 10-2010 Operation Manual

Communicating between OMRON PLCs
8-6-2

PLC Communications Data Areas

The following table shows the I/O data areas involved when SEND(090) and
RECV(098) are used.
CIO Area
Work Area
Holding Area
Auxiliary Area
Timer Area
Counter Area
DM Area
EM Area
Note 1. Data cannot be written to words A000 to A447 in the Auxiliary Area.
2. A maximum of 13 banks in the EM Area can be used for a CS1/CJ1 CPU
Unit. A maximum of 25 banks in the EM Area can be used for a CJ2H CPU
Unit. A maximum of 4 banks in the EM Area can be used for a CJ2M CPU
Unit. For details regarding the EM Area, refer to the operation manual for
the PLC that is used. Refer to the operation manual for your CPU Unit to
confirm EM Area support.
Area
CIO 0000 to CIO 6143
W000 to W511
H000 to H1535
A000 to A959 (See note 1.)
TIM0000 to 4095
CNT0000 to 4095
D00000 to D32767
E00000 to E32767 (See note 2.)
Section 8-6
Range
221