Fieldbus
9836 3123 01 233 (428)
Status indicators
The module has four status LED’s.
Module is not connected to Ethernet
Module is connected to Ethernet
No power applied to the module
Module is operating correctly
The module has not been configured
A minor recoverable fault has been detected
A major internal error has been detected
The module is performing a power on self test
No power or no IP
address
Module has no power or no IP address
Module has at least one Ethernet/IP connection
There are no Ethernet/IP connections established
One or more of the connections in which this module
is the target has timed out. This state is only left if all
timed out connections are re-established or if the
module is reset
Module has detected that its IP address is already in
use.
Module performing a power on self-test.
Flashes each time a packet is received or transmitted
15.8.6 Modbus/TCP
Modbus TCP is developed by Modicon, Inc. For more information visit http://www.modbus.org.
Modbus/TCP uses the same hardware as Ethernet/IP. See section Ethernet/IP. The status indicators for
Modbus/TCP are listed in the table below.
Module is not connected to Ethernet
Module is connected to Ethernet
IP address is not set using the configuration switch
Failed to load Ethernet configuration from Flash
memory.
Duplicate IP address detected
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