EtherNet/IP Communication
‑230‑
Indicator
State Description
Solution
D4 is steady off, and
D7 is blinking red.
Waiting for obtaining
IP address
The expansion card is in DHCP mode.
Assign an IP address to the device by using
BOOTP or DHCP.
D4 is blinking green,
and D7 is blinking
red.
Connection
disconnected or
timed out
Check whether the network cable is
disconnected and whether the master is
running.
D4 is blinking green,
and D7 is steady off.
Waiting for
connecting to the
master
Check whether the network cable is
properly connected and whether the master
is running.
D4 is steady green,
and D7 is steady off.
Normal
N/A
9.4 Topology
EtherNet/IP supports a variety of topologies, including bus, star, and tree topologies.
Diversified networking modes can be implemented by using switches.
Figure 9‑4 Bus topology
To Next Page
Loading...
