![background image](http://html1.mh-extra.com/html/omron/cj1w-drm21/cj1w-drm21_operation-manual_742341079.webp)
3-3
3 Data Exchange with the CPU Unit
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
3-1 D
a
ta Exc
h
a
n
g
e
with the C
P
U Unit
3
3-1-1 D
a
ta Flo
w
I/O port
Software switch,
status data
Software switch,
status data
AT specification
CPU Unit
User program
:
:
DeviceNet Unit
Software switches (I/O refresh)
Status (I/O refresh)
Device variable
for CJ-series
Unit
Allocations setting table,
slave detailed
status data
Allocations setting table,
slave detailed
status data
AT specification
:
:
Allocations setting table
(I/O refresh)
Status (I/O refresh)
Device variable
for CJ-series
Unit
Memory used for
CJ-series Unit
Memory areas such as
CIO and DM
Slave I/O message
communications data
AT specification
:
:
:
:
:
:
:
:
Slave output, message
communications data
(I/O refresh)
Slave input, message
communications data
(I/O refresh)
Device variable
for CJ-series
Unit
Summary of Contents for CJ1W-DRM21
Page 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Page 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Page 349: ......