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21
Data Links Procedures
Section 2-1
6.
Set the data link mode.
Note Be sure that the data link mode in the data link parameters in the DM
Area is set to 00 when using manually set data links.
7.
Register the data link tables by making the following settings for each
node.
Note Offsets are used to control where data is placed within the receive ar-
ea.
8.
Start the data links.
Note a) Data link Start/Stop Bit (N= unit number):
CS/CJ Series:
Word 0 of D 100
×
N
C200HX/HG/HE:
AR 0700 (operating level #0),
AR 0704 (operating level #1)
CVM1/CV Series:
Word 0 of DM 2000 + 100
×
N
CQM1H Series:
AR 0700
b) The data links will not start if there is an error in the data link
tables in the startup node.
Contents
Method
Nodes
Page
Set data link mode to
manual.
Use the SYSMAC
Support Software or
Programming Con-
sole.
Data link startup node
only
The node that is used
to start the data link is
called the startup
node. It is necessary
to decide beforehand
which node will be the
startup node.
Contents
Method
Nodes
Page
First data link status word
Use the Controller
Link Support Soft-
ware or CX-Pro-
grammer.
All nodes within the
network
Delete from the data
link tables all nodes
that are not in a data
link.
Data link nodes
Area
1
First data link sta-
tus words
Numbers of data
link words
Data link offsets
Area
2
First data link sta-
tus words
Numbers of data
link words
Data link offsets
Contents
Method
Nodes
Page
Start the data links.
Switch the Data link
Start/Stop Bit (listed
below) from OFF to
ON using either the
Programming Device,
the user program, the
Controller Link Sup-
port Software or CX-
Programmer.
Data link startup node
(The Start Bit can be
turned ON in more
then one node to
make sure the data
links start even when
the startup node is
down.)
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