4-4 Automatically Set Data Links
4-4-2 Controller Link Automatic Setup
Equality Layout (Previous Method)
This is the previous automatic data link type where all nodes are allocated the same sizes of data
links.
A
H
(1)
B
(2)
(6)
(5)
(3)
D
E
F
C
(4)
Settings Common to All Automatic Data Link Types
No. Item Description of function
A Generation
Type
Select Automatic. (If Manual is selected, data links will be
run using data link tables set separately.)
B Power Up
Run State
Select Start to automatically start data links when power is
turned ON to the PLC.
C Close Closes the Automatic Datalink Dialog Box.
D Read Reads the settings from the PLC.
E Write Writes the settings to the PLC.
(If the Power Up Run State is set to Start, the data links
will start running when the settings are written to the PLC.)
F Help Displays help.
G Automatic
Datalink
Type
Select the type of data links to be automatically set up
from the following.
Equality Layout (Previous method)
Common Type (1:N settings)
1 to 1 Type (1:N settings)
Chain Type (1:N settings)
H Result The status is displayed when the Read or Write Button is
clicked.
Equality Layout Settings
1
4
1
2 2
3
1 1
3
4
3
4
2
3
4
2
1
4
1
2 2
3
1 1
3
4
3
4
2
3
4
2
(5) Participating nodes
rea 2
(4) Size
(Same as (4).)
No. Item Description of function
(1) Area and Start Word
for Area 1
Set the area and the start data link word
to use for area 1.
(2) Size of Area 1 Set the send size per node for area 1.
(3) Area and Start Word
for Area 2
Set the area and the start data link word
to use for area 2.
(4) Size of Area 2 Set the send size per node for area 2.
(5) Nodes Set the nodes to participate in the data
links.
(6) Status start word Set the first word to store data link status.
(If 0 words is set, the default area will be
used.)
Features of Equality Layout
•
The send data sizes is the same for all nodes for each area.
•
Area 1 is selected from the bit-access areas (e.g., CIO Area) and area 2 i
selected from word-access areas (e.g., DM Area).
•
Data link areas are allocated in ascending order of node addresses.
•
Data link participation can be specified for each node.
•
The same data link areas are shared by all nodes participating in the data links.
4-44