Figure 3.2 – Rockwell Automation 20-COMM-M Modbus/TCP Adapter User Manual
Page 26

3-4
Configuring the Adapter
20-COMM-M Modbus/TCP Adapter User Manual
Publication 20COMM-UM014C-EN-P
Figure 3.2
Network Settings Window
4. Edit the following:
5. Click OK to apply the settings. Devices on the network issuing BOOTP
requests appear in the BOOTP Request History list.
6. In the BOOTP Request History list, either double-click the adapter’s
Ethernet Address (MAC) noted in Step 1, or click New in the Relation
List. The New Entry dialog box (
) appears. In the first case,
the Ethernet Address (MAC) is automatically entered. In the latter case,
you must manually enter it.
Figure 3.3
New Entry Dialog Box
7. Edit the following:
Box
Type
Subnet Mask
(1)
(1)
For definitions of these terms, refer to the
.
The subnet mask for the adapter’s network.
Gateway
(1)
The IP address of the gateway device on the adapter’s network.
Primary DNS
The address of the primary DNS server to be used on the local end of the link
for negotiating with remote devices.
Secondary DNS Optional — the address of the secondary DNS server to be used on the local
end of the link for negotiating with remote devices when the primary DNS
server is unavailable.
Domain Name
The text name corresponding to the numeric IP address that was assigned to
the server that controls the network.
Box Type
IP Address
(1)
(1)
For definitions of these terms, refer to the
.
A unique IP address for the adapter
Host Name
Optional
Description
Optional