Additional Information
If there is any error in the set IP address, the CPU Unit behaves as follows:
• The NET RUN indicator on the CPU Unit does not light and the NET ERR indicator flashes
red. Indicators will indicate the status of each EtherNet/IP port.
•
An IP Address Setting Error is recorded in the event log.
Precautions for Correct Use
• If the IP address is duplicated or not set correctly, communications are not possible via the
EtherNet/IP network. Set the IP address again.
• The IP address range shown below is used by the system and cannot be specified.
169.254.0.0 to 169.254.255.255
192.168.255.0 to 192.168.255.255
•
Due to Ethernet restrictions, you cannot specify the following IP addresses.
a) An IP address that is all 0's or all 1's
b) IP addresses that start with 127, 0, or 255 (decimal)
c) IP addresses that have a host ID that is all 0's or all 1's
d) Class-D IP addresses (224.0.0.0 to 239.255.255.255)
e) Class-E IP addresses (240.0.0.0 to 255.255.255.255)
l
Connecting from a Saved Project
The connection configuration that is set (via EtherNet/IP) is saved in the project.
When you open a saved project on the Sysmac Studio, you can connect to the EtherNet/IP network
without redoing the settings.
Checking the Current IP Address
The current IP address can be confirmed in the Controller Status Pane of the Sysmac Studio, whether
it is manually set or obtained from the BOOTP server.
• Basic Controller Status Pane • Controller Status Pane with Details
Additional Information
• If the IP address of the EtherNet/IP port is not registered due to the following reasons, the IP
address field shows
"0.0.0.0".
•
The IP address was not obtained from the BOOTP server.
• The EtherNet/IP port is disabled. Refer to 7-1 TCP/IP Settings Display on page 7-2 for de-
tails on the settings for the IP address of the EtherNet/IP port.
8 TCP/IP Functions
8-8
NX-series EtherNet/IP Unit User's Manual (W627)
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