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CIO Area Allocations Section 4-2
Normal Target Node
Table (EtherNet/IP
Unit to CPU Unit)
(n+20 to n+23)
Words n+20 to n+23 show the connection status of the target nodes that are
connected with the EtherNet/IP Unit as the originator. With revision 2 or
higher, the flag turns ON after all data for multiple connections for individual
target devices is refreshed in the CPU Unit. With revision 1, each flag immedi-
ately turns ON when all connections are established.
These words show the status of nodes 0 to 63 only. If it is necessary to show
the status of nodes higher than node 63, select “user settings” as the layout
pattern. For details, refer to 4-4 User Settings Area.
FINS/TCP Connection
Status
(EtherNet/IP Unit to
CPU Unit) (n+24)
Word n+24 shows the status of FINS/TCP connections. For details, refer to
SECTION 8 FINS Communications.
Bit Name Status Manipulated
by
Unit operation
--- Registered Target
Node Flags
ON Unit Indicates that the node’s tag
data link is registered.
OFF Unit Indicates that the node’s tag
data link is not registered.
n+16
n+17
n+18
n+19
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
Bit Name Status Manipulated
by
Unit operation
--- Normal Target Node
Flags
ON Unit Revision 1: Flags immediately
turn ON when all connections
are established.
Revision 2 or higher: Flags turn
ON after all data for multiple
connections for the target
device is refreshed in the CPU
Unit.
OFF Unit Indicates that the connection is
not established
n+20
n+21
n+22
n+23
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
Bit Name Status Manipulated
by
Unit operation
0 FINS/TCP Connec-
tion 1
ON Unit Turned ON by the Unit when a
connection is established.
OFF Unit Turned OFF by the Unit when
the connection is terminated.
1 FINS/TCP Connec-
tion 2
ON Unit Turned ON by the Unit when a
connection is established.
OFF Unit Turned OFF by the Unit when
the connection is terminated.
:: :: :
01 2 3 4 5 6 7 8 9 1011 12 13 14 15
n+24