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4. Assignment of DeviceNet compatible I/O
The head channel numbers in the input and output areas differ depending on the method of
assigning the DeviceNet compatible module to the master module and the MAC ID setting. Refer
to the master module and PLC instruction manuals for details.
Chapter
1
Example: When fixed assignment is applied to fixed assignment area 1 while using a
Output-area CH (n) = 3200 + MAC ID
Input-area head CH (m) = 3300 + MAC ID
CJ1G-CPU42H
+
CJ1W-DRM21
Master module
Channel No.
3201 to 3224
3225 to 3226
3227 to 3250
3301 to 3324
3325 to 3326
3327 to 3350
1-6
programmable controller (OMRON CJ1G-CPU42H) and a DeviceNet unit (OMRON
CJ1W-DRM21).
YRC controller
YRC controller
YRC controller
MAC
Number of channels
ID
1
25
27
1
25
27
MAC ID = 1
IO size:
24CH/24CH
1
Output area: 3201CH to 3224CH
Input area:
3301CH to 3324CH
MAC ID = 25
IO size:
2CH/2CH
2
Output area: 3225CH to 3226CH
Input area:
3325CH to 3326CH
MAC ID = 27
IO size:
24CH/24CH
3
Output area: 3227CH to 3250CH
Input area:
3327CH to 3350CH
Controller
24
YRC controller 1 serial input
2
YRC controller 2 serial input
24
YRC controller 3 serial input
24
YRC controller 1 serial output
2
YRC controller 2 serial output
24
YRC controller 3 serial output
Data
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