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13. TCP / IP Communications
EPSON RC+ 5.0 (Ver.5.4) User's Guide Rev.4 279
13. TCP / IP Communications
EPSON RC+ 5.0 supports eight TCP/IP ports that allow peer to peer communications.
This chapter contains instructions on using TCP/IP, including IP addresses, Windows
TCP/IP configuration, and SPEL
+
examples.
13.1 TCP/IP Setup
Before you can use TCP/IP communications between PCs and controllers, you must
configure your network. The following sections describe basic network configuration.
13.1.1 Ethernet Hardware
The RC180 controller includes a built in Ethernet interface with an RJ45 connector
accessible from the controller front panel. It supports 10BaseT (10 Mbps) and 10BaseTX
(100 Mbps).
Your PC will need a 10BaseT 10/100 adapter to communicate with a controller via
Ethernet.
13.1.2 IP Addresses
The RC180 controller has a fixed IP address that you can configure from EPSON RC+ 5.0.
To configure the IP address, mask, and gateway for an RC180 controller, see the section
Setup | Controller | Configuration in the chapter EPSON RC+ 5.0 GUI for instructions.
The following table shows a typical IP address configuration.
Host Name IP Address Subnet Subnet Mask
PC1 192.168.0.1 192.168.0 255.255.255.0
PC2 192.168.0.2 192.168.0 255.255.255.0
Controller1 192.168.0.3 192.168.0 255.255.255.0
Controller2 192.168.0.4 192.168.0 255.255.255.0
In this example, the network address (subnet) is 192.168.0. With a subnet mask of
255.255.255.0, there can be 254 hosts on this subnet (0 and 255 cannot be used).
Refer to the Microsoft Windows operating system manual for instructions on setting the
PC IP address.
13.1.3 IP Gateway
If you are connecting PCs and controllers on different networks, you will need to route
traffic between the networks using one or more routers. Each device communicating via
Ethernet will need to have their default gateway address set to the address of the router for
its subnet.
To configure the gateway address for the RC180 controller, see the section Setup |
Controller | Configuration in the chapter EPSON RC+ 5.0 GUI for instructions.