8-12 Ethernet
AC30 series Variable Speed Inverters
Parameter Name No. Path Default Range Units Writable
Lock
0936 Parameters::Base Comms::
Ethernet
FALSE
FALSE
TRUE
ALWAYS
When set to TRUE, this prevents the IP settings being changed via an IP configuration tool. The IP
settings may still be modified from the GKP and the inverter web Parameters page.
Troubleshooting the Ethernet
The following parameters are useful for monitoring the IP settings:
0929 IP Address
0928 Subnet Mask
0931 Gateway Address
The state of the Ethernet can be monitored using the parameter 944 Ethernet State, normal operation is when the state is RESOLVED IP, and
from the GKP icon
No IP address - flashing GKP icon
Normally, once the inverter is connected to a network, the GKP Ethernet icon will flash for a short period as the IP address is being resolved, and
then will become a solid icon indicating an IP address has been set. If the icon continues to flash for more than 1 – 2 minutes this can indicate a
problem. Check the parameter 0919 Ethernet State.
Resolving IP
The inverter is waiting for a valid IP address to be set automatically, or manually using the parameters:
0933 User IP Address
0934 User Subnet Mask
0935 User Gateway Address
Note that the IP address must be set to a non-zero value.
Resolving DHCP
The inverter is waiting for a DHCP server to provide an IP address. If there is no DHCP server detected on the network then the Ethernet will
stay in this state. If there is no DHCP server the IP address may be obtained using Auto-IP or set manually.
Duplicate IP
Another device on the network with the same IP address has been detected. This will cause communication issues. The Duplicate IP warning
will clear after approximately 1 minute once the conflicting device has been removed or the IP address changed.
Fault
An Ethernet loop has been detected. To clear the fault, break the loop by removing an Ethernet cable from one of the ports.
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