PART 2: CX-Server PLC Tools
OMRON CHAPTER 11 – Routing Tables
CX-Server PLC Tools_Page 135
CHAPTER 11
Routing Tables
Routing tables allow networked PLCs to be configured so that they can communicate with each other via
gateways; across remote networks. The routing tables contain the network, unit number information required. It is
only necessary to set up routing tables if the end connection PLC is not a direct connection, i.e. using another PLC
as a gateway connection. The routing table is held within the PLC(s) which acts as the gateway device. Different
types of PLC and networks have different capabilities for routing.
PLC Network Routing Table
C-series SYSMAC LINK N/A
C-series SYSMAC NET C-SYSMAC NET
C-series Controller Link FINS
C-series Ethernet N/A
CV-series SYSMAC LINK, SYSMAC NET,
Ethernet or Controller Link
FINS
CS1-series SYSMAC LINK, Device Net,
Controller Link or Ethernet
FINS
CJ1-series SYSMAC LINK, Device Net,
Controller Link or Ethernet
FINS
The Routing Table menus are accessed from the PLC Network Configuration Tool dialog and contain options
allowing the editing and setup of routing tables both offline and online. The routing tables which are being used in
a network, can be viewed online.
Different online Routing Table Setup dialogs are used, depending upon the protocol associated with the routing
table. The way in which they are displayed and operate is similar in each case.
The PLC Network Configuration Tool dialog, visually displays the structure of the routing table associated with
the PLC (including the destination node and network gateway employed in directing data across the network).
Initially the visual representation of the routing table is empty, or set to zero, until a routing table file has been
opened. An overview of the routing table can also be viewed and edited in a graphical or tabular format.
Opening an existing Routing Table
Use the following procedure to open an existing routing table in a project.
1, 2, 3…
1. Open the PLC Network Configuration Tool dialog from the Routing Table menu,
select Editor, and then the type of table.
2. From the Routing Table File menu select Open Routing Table File.
3. From the list of possible files, select the file to be opened.
The following procedure can also be used as a shortcut to opening an existing routing table.
1, 2, 3…
1. Open the PLC Network Configuration Tool dialog and from the Project menu
options select Open.
2. In the Open Project dialog select the File Type as All Files(*.*)
3. In the Open Project dialog select the appropriate device type and click the Open
button.
4. From the list in the Project Devices window select the network to be opened.
5. From the Routing Table menu, select Editor and then the required network type.
Note: Routing tables have an ‘.RT2’ (SYSMAC NET), ‘.RTG’ for FinsLocal or ‘.RT3’
(FINS) Network filename extension.
Creating a new Routing Table
Use the following procedure to create a new routing table within a project.
1, 2, 3…
1. Open the PLC Network Configuration Tool dialog from the Project menu
options and select New.
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