Overview Of Word Allocations - Omron CS1W-DRM21 Operation Manual

Overview of Word Allocations

3-1

Overview of Word Allocations

CPU Bus Unit
CIO 1500
CIO 1501
Unit #0
CIO 1524
CIO 1525
CIO 1526
Unit #1
CIO 1549
CIO 1875
Unit #15
CIO 1899
D30000
D30001
Unit #0
D30099
D30100
D30101
Unit #1
D30199
D31500
Unit #15
D31599
62
The words shown in the following diagram are allocated according to the unit
number setting. For each Unit, there are 25 words allocated in the CIO Area
and 100 words allocated in the DM Area.
First word allocated in the CIO Area: n = CIO 1,500 + (25 x unit number)
First word allocated in the DM Area: m = D30,000 + (100 x unit number)
CPU Unit
CIO Area
CPU Bus Unit
Allocated DM Area words
Note The CPU Bus Unit Setup words are not used with a CS/CJ-series DeviceNet
Unit.
Software switches
25 wds
(I/O refresh) status
25 wds
25 wds
setup tables
100 wds
(I/O refresh) status
100 wds
100 wds
Section 3-1
DeviceNet Unit
Unit number: 0
Local memory
25 wds
Local memory
100 wds