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Using FINS Applications Section 6-5
â– System Configuration Example 2: Using Routing Tables
In this example, an online connection is made via the Ethernet to a PLC on a
Controller Link network (PLC 3 below) from a CX-Programmer or CX-Integra-
tor connected to the Ethernet network.
Conditions
• FINS/UDP method
• IP address conversion: Automatic generation method (dynamic)
CX-Programmer's Change PLC Dialog Box
CX-Programmer's Unit Setup
Setup Tab
Same as for System Configuration Example 1.
Routing Table Settings and Transfer to Each PLC
Set the routing tables with CX-Integrator, and transfer them.
1. Using CX-Integrator, connect online, and select Routing table − Settings.
Then create FINS local routing tables (a local network table and a relay
network table).
Example: PLC 1 Routing Table Settings
Settings for target PLC (PLC3)'s Change PLC Dialog Box Setting
PLC name PLC3
Network classification Ethernet
Network Tab FINS destination FINS transmission
source address
1
Network number 2
Node address 3
Frame length 2,000 bytes
Response monitor time 2 seconds
Driver Tab Workstation node address 1
Automatic generation method Not selected
IP address 192.168.250.2
(Ethernet Unit IP
address)
Port number 9600
CX-Programmer or CX-Integrator
Ethernet port
Node address: 1
IP address: 192.168.250.1
Ethernet (network address 1)
Routing
according to
routing table
Controller
Link Unit
Ethernet Unit
IP address conversion: Automatic generation method (dynamic)
Gateway between networks
PLC1
Controller Link Unit
Target PLC
Controller Link Unit
Node address 2
Node address 3
Controller Link
network address 2
PLC2
PLC3
Ethernet Unit node address: 2
Ethernet Unit IP address: 192.168.250.2
Ethernet Unit unit number: 0
Controller Link Unit node address: 1
Controller Link Unit unit number: 1
Routing to final network address 2
requires relaying through node
address 2 of relay network address
1 (Ethernet Unit).
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