Omron CJ1W-EIP21 Operation Manuals page 166

7 Tag Data Link Functions
The settings are as follows:
Setting
Target Device
Connection Name
Connection I/O Type
In/Out
Target Variable
Originator Variable
Connection Type
RPI
Timeout Value
2
After you make all of the settings, click the OK Button.
7-36
Select the target device.
Any name can be given to the connection (32 single-byte characters max.).
If this field is left blank, a default name is assigned. The connection name is
used as a comment.
Select InputOnly (tag type) to use tag data links with a CS1W-EIP21, CJ1W-
EIP21, CJ2B-EIP21, CJ2M-EIP21, CJ1W-EIP21 (CJ2), CJ1W-EIP21 (NJ),
NJ301-@@@@, or NJ501-@@@@. When you create tag data links for other
devices, select the connection I/O type specified in that device's EDS file. Use
the Input Only (ID type) setting when another company's node is the origina-
tor and does not support connection settings with a Tag type setting.
The connections I/O is automatically displayed based on the selected con-
nection.
• Input Only: Just In is displayed.
Select the target node's tag set to assign it.
• In: Select the target's output (produce) tag set.
• Out: Select the target's input (consume) tag set.
Select the originator node's tag set to assign it.
• In: Select the originator's input (consume) tag set.
• Out: Select the originator's output (produce) tag set.
Select whether the data is sent in multi-cast or unicast (point-to-point) form.
The default setting is multi-cast.
• Multi-cast connection:
• Point-to-point connection: Select when the same data is not shared by
Note Refer to 7-1-4 Overview of Operation for details on using multi-cast and
unicast connections, and counting the number of connections.
Set the packet interval (RPI) of each connection between the originator and
target. You can set an RPI between 0.5 and 10,000 ms in 0.5-ms increments.
The default setting is 50 ms (i.e., data is updated once every 50 ms).
Set the time until a connection timeout is detected. The timeout value is set
as a multiple of the packet interval (RPI) and can be set to 4, 8, 16, 32, 64,
128, 256, or 512 times the packet interval. The default setting is 4 times the
packet interval (RPI).
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Description
Select when the same data is shared by multi-
ple nodes. This setting is usually used.
multiple nodes. In a unicast connection, other
nodes are not burdened with an unnecessary
load.