Rockwell Automation 20-COMM-M Modbus/TCP Adapter - Manual (Page 29)

Configuring the Adapter 3-7
20-COMM-M Modbus/TCP Adapter User Manual
Publication 20COMM-UM014C-EN-P
Setting a Subnet Mask Using Parameters
1. Verify that Parameter 03 - [BOOTP] is set to “0” (Disabled). This
parameter must be set to Disabled to configure the subnet mask using
the adapter parameters.
2. Set the value of Parameters 08 - [Subnet Cfg 1] through 11 - [Subnet
Cfg 4] to the desired value for the subnet mask.
Figure 3.7 Example Subnet Cfg 1 LCD HIM Screen
3. Reset the adapter (see Resetting the Adapter on page 3-12 ).
Setting a Gateway Address for the Adapter Using Parameters
1. Verify that Parameter 03 - [BOOTP] is set to “0” (Disabled). This
parameter must be set to Disabled to configure the gateway address
using the adapter parameters.
2. Set the value of Parameters 12 - [Gateway Cfg 1] through 15 -
[Gateway Cfg 4] to the IP address of the gateway device.
Figure 3.8 Example Gateway Cfg 1 LCD HIM Screen
3. Reset the adapter (see Resetting the Adapter on page 3-12 ).
Port 5 Device
20-COMM-M
Parameter #: 08
Subnet Cfg 1
0
0 <> 255
Default = 0.0.0.0 255 . 255 . 255 . 255
[Subnet Cfg 1]
[Subnet Cfg 2]
[Subnet Cfg 3]
[Subnet Cfg 4]
Port 5 Device
20-COMM-M
Parameter #: 12
Gateway Cfg 1
0
0 <> 255
Default = 0.0.0.0 255 . 255 . 255 . 255
[Gateway Cfg 1]
[Gateway Cfg 2]
[Gateway Cfg 3]
[Gateway Cfg 4]