72 Rockwell Automation Publication 2080-UM002K-EN-E - March 2019
Chapter 5 Communication Connections
8. On the device configuration tree, under Ethernet, click Port Diagnostics to
monitor Interface and Media counters. The counters are available and
updated when the controller is in Debug mode.
Validate IP Address
Modules must validate the incoming IP address configuration, whether it is
obtained through explicit configuration or through DHCP.
The following rules must be obeyed when configuring the IP address:
• The IP address for the module cannot be set to zero, a multicast address, a
broadcast address, or an address on the Class A loopback network
(127.x.x.x).
• The IP address should not start with zero, and the IP address network ID
should be not zero.
• The Network mask cannot be set to 255.255.255.255.
• The Gateway address must be on the same subnet as the IP address that is
being configured.
• The Name Server address cannot be set to zero, a multicast address, a
broadcast address, or an address on the Class A loopback network
(127.x.x.x).
The valid range of static IPv4 IP address exclude:
• Broadcast or zero IP (255.255.255.255 or 0.0.0.0)
• IP address starting with 0 or 127 (0.xxx.xxx.xxx or 127.xxx.xxx.xxx)
• IP address ending with 0 or 255 (xxx.xxx.xxx.0 or xxx.xxx.xxx.255)
• IP addresses in range 169.254.xxx.xxx (169.254.0.0 to 169.254.255.255)
• IP addresses in range 224.0.0.0 to 255.255.255.255
Ethernet Host Name
Micro800 controllers implement unique host names for each controller, to be
used to identify the controller on the network. The default host name is
comprised of two parts: product type and MAC address, separated by a hyphen.
For example: 2080LC50-xxxxxxxxxxxx, where xxxxxxxxxxxx is the MAC
address.
The user can change the host name using the CIP Service Set Attribute Single
when the controller is in Program/Remote Program mode.
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