Rockwell Automation Publication 1766-UM001O-EN-P - September 2021 291
Appendix G Connect to Networks via Ethernet Interface
Manually Configure Channel 1 for Controllers on Subnets
If you are manually configure channel 1 for a MicroLogix 1400 controller
located on a subnet, deselect both of the “BOOTP Enable” and “DHCP Enable”
options by clicking on the checked box, as shown in the figure below.
See Table 45
to configure the subnet mask and gateway address fields for each
controller via your programming software.
MicroLogix 1400 Embedded
Web Server Capability
MicroLogix 1400 controllers include not only the embedded web server which
allows viewing of module information, TCP/IP configuration, and diagnostic
information, but the capabilities that also allow viewing of the data file via
Ethernet using a standard web browser.
For more information on MicroLogix 1400 embedded web server capability,
see MicroLogix 1400 Embedded Web Server User Manual, publication 1766-
UM002.
Table 45 - Subnet and Gateway Address Fields
This field: Specifies: Configure by doing the following:
Subnet Mask
The controller’s subnet mask.
The subnet mask is used to interpret IP addresses
when the Internet is divided into subnets.
Enter an address of the following form:
a.b.c.d Where: a, b, c, d are between 0...255 (decimal)
If your network is not divided into subnets, then leave the subnet mask field at the default. If you
change the default and need to reset it, type 0.0.0.0.
Gateway Address
The IP address of the gateway that provides a
connection to another IP network.
This field is required when you communicate with other
devices not on a local subnet.
Enter an address of the following form:
a.b.c.d Where: a, b, c, d are between 0...255 (decimal)
The default address is No Gateway.
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