Omron ERT1 Series Operation Manual page 41

Overview of System Startup Procedure
Common Procedure 7. Setting Tag Data Links
Common Procedure 7-1. Setting the I/O Sizes of Devices
Common Procedure 7-2. Registering Tag Sets in the PLC.
1,2,3...
Depending on the device, the I/O sizes may either be fixed or symbol. For
details on setting the device I/O sizes, refer to the manual for each device.
Set the tag set in the PLC that is to function as the master. The tag set size
must be the same as the device I/O size of the communications partner.
Two methods of registering a tag set are provided: using the physical
addresses (Common Procedure 7-2-1), and using symbols (Common Proce-
dure 7-2-2)
Note The following diagram illustrates the relationship between tag sets
and tags.
Tag set
• A tag set contains one or more tags.
Tag 1
• The size of a tag set will be equal to the total of
the sizes of all of the tags in the tag set.
Tag 2
. .
.
Common Procedure 7-2-1. Setting Tag Sets Using Physical Addresses
Use the following procedure to directly set physical addresses (e.g., in the
CIO or DM Area) in the CPU Unit a PLC in the tag set.
1. Double-click the icon for the EtherNet/IP Unit (CJ2B-EIP21 in the figure).
The Edit Device Parameters Dialog Box for the EtherNet/IP Unit will be dis-
played.
2. Register the tags.
Set the input tags first. An input tag receives the data that is output from
the target.
Click the In-Consume Tab, and then click the Edit Tags Button.
Click the Tag Sets Tab.
Section 2-1
21