Cio Area Allocations; Overview Of The Allocated Cio Area Words - Omron SYSMAC CJ1W-EIP21 Operation Manual

CIO Area Allocations

4-2

CIO Area Allocations

4-2-1

Overview of the Allocated CIO Area Words

Default Settings
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
70
The various kinds of data are stored in the allocated CIO Area words, which
are identified by the offset from the beginning word (n) allocated to each Unit.
There are two patterns for the layout of the allocated CIO Area words: the
default settings and user settings. The layout can be selected in the Status
Area settings in the Edit Parameters Dialog Box from the CX-Programmer.
To set a customer areas, select User defined for the Layout Type on the Sta-
tus Area Tab Page.
The beginning word n is calculated by the following equation:
Beginning word n = CIO 1500 + (25 × unit number)
Offset
Bit
15
Unit control bits
n
(Reserved)
n+1
Target Node PLC Operating Information
n+2
(4 words only)
n+3
n+4
n+5
Target Node PLC Error Information
n+6
(4 words only)
n+7
n+8
n+9
Unit status 1
n+10
Unit status 2
n+11
Communications status 1
n+12
Communications status 2
n+13
Communications status 3
n+14
(Reserved)
n+15
Registered Target Node
n+16
(4 words only)
n+17
n+18
n+19
Normal Target Node
n+20
(4 words only)
n+21
n+22
n+23
FINS/TCP Connection Status
n+24
Note The reserved words are regularly refreshed with all zeroes.
8 7 0
Section 4-2
Data direction
CPU Unit → EtherNet/IP Unit
EtherNet/IP Unit → CPU Unit
EtherNet/IP Unit → CPU Unit
EtherNet/IP Unit → CPU Unit
EtherNet/IP Unit → CPU Unit
EtherNet/IP Unit → CPU Unit
EtherNet/IP Unit → CPU Unit
EtherNet/IP Unit → CPU Unit
EtherNet/IP Unit → CPU Unit
EtherNet/IP Unit → CPU Unit