Omron CJ1W-DRM21 Operation Manual page 79

User program
Software switch,
status data
Device variable
for CJ-series
Unit
Allocations setting table,
slave detailed
status data
Device variable
for CJ-series
Unit
Slave I/O message
communications data
Device variable
for CJ-series
Unit
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
CPU Unit
I/O port
Software switch,
status data
:
AT specification
:
Allocations setting table,
slave detailed
status data
:
AT specification
:
Memory used for
CJ-series Unit
Memory areas such as
CIO and DM
:
AT specification
:
3 Data Exchange with the CPU Unit
Software switches (I/O refresh)
Status (I/O refresh)
Allocations setting table
(I/O refresh)
Status (I/O refresh)
Slave output, message
communications data
(I/O refresh)
Slave input, message
communications data
(I/O refresh)
DeviceNet Unit
:
:
3
:
:
:
:
3-3