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To assign an IP address to the PC Card Unit, select “1. Enter IP Address for Unit”
from the main menu of the setup software. Refer to 7-6 Setup Software Opera-
tion for details on how to specify the IP address.
7-5-2 Subnet Mask
Connecting a lot of nodes to a network makes network operation and manage-
ment difficult. In this case, it is better to construct the system by subdividing a
network into multiple subnetworks. These subnetworks operate independently
within the network, but they are viewed as a single network from outside the net-
work.
To allow such network operations, the host number of the IP address must be
subdivided into a host number and a subnet number.
A subnet mask is the information used to identify which part of the host number is
going to be used as the subnet number. All bits in the subnet mask that corre-
spond to the bits in the IP address used either as the network number or the sub-
net number are set to “1” and the remaining bits, which correspond to the bits in
the IP address actually used for the host number, are set to “0.” In the following
example, only the last 8 bits are used as the host number.
Example: 11111111 11111111 11111111 00000000
→
FFFFFF00
All nodes on a subnetwork must have the same subnet mask value.
If no subnetwork is to be used, a subnet mask need not be specified. In this case,
the subnet mask is recognized as the one that has no subnet number (or that
consists of only the network number and host number).
To assign a subnet mask to a PC Card Unit, select “2. Enter Subnet Address for
Unit” from the main menu of the setup software. Refer to 7-6 Setup Software
Operation for details on how to specify a subnet address.
7-5-3 ODI Driver
Specify the file name (including extension “.COM”) of the ODI driver provided
with the Ethernet card. Copy the ODI driver file to the same directory as the setup
software beforehand.
To specify an ODI driver path, select “3. Enter ODI Driver Path” from the main
menu of the setup software. Refer to 7-6 Setup Software Operation for details on
how to specify an ODI driver path.
7-5-4 Hosts
Specify the IP addresses and host names of all the nodes to be registered in the
IP network to be used. For a PC Card Unit, up to 127 nodes can be specified.
Example:
IP address
128.0.1.1 master
128.0.1.2 submaster
Space
Host name
Set the hosts for the IP network to be used. To do so, an existing HOSTS file can
be copied, or a new HOSTS file can be created. Insert an space between the IP
address and the host name. The maximum number of lines in a HOSTS file is
127.
To set the hosts, select “4. Edit HOSTS File” from the main menu of the setup
software. Refer to 7-6 Setup Software Operation for details on how to edit a
HOSTS file.
Assigning an IP Address to
a PC Card Unit
Specifying a Subnet Mask
for a PC Card Unit
Setting Up the Ethernet Environment
Section 7-5
Summary of Contents for SYSMAC C200HW-PCS01-EV1
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