330
(c) Action for abnormal end
If the loopback test fails, "No response" or an error code is displayed.
For an E71 where the loopback test failed, check the error and take corrective action. Then restart the E71-connected
station. Restarting the E71 executes the initial process. To check whether the initial process has been completed in the E71,
perform the PING test. The PING test can be also performed on the "Loopback Test" window.
Displayed test
result
Status of the
target E71
Cause Action
IP address
Initial processing
normal completion
status (INIT. LED
turns on.)
Normal completion
No response
No error
The initial process for the target E71 has not
been completed normally.
Correct the following parameter settings.
• Basic setting
• Ethernet operation setting
• Initial setting
There is an error, such as cable
disconnection and line disconnection, in the
line connection to the target E71.
• Check the cable.
The IP address of the target E71 is
incorrect. (The class or subnet address
differs from that of the E71.)
Correct the set values of the Ethernet
operation settings.
The same IP address has been set to
multiple target E71 modules.
The same network number or station
number has been set to multiple target E71
modules.
Perform the PING test on the "No response"
module. When the test is completed
normally, correct the set values in the basic
settings.
No error/Error exists
The Ethernet line is heavily loaded
(including a case where an error equivalent
to the error codes C030
H
and C031
H
is
occurring).
When the Ethernet line is not heavily
loaded, perform the test again.
Error exists
The routing parameter is not set (an error
equivalent to the error code C080
H
is
occurring).
Correct the set value of the routing
parameter.
Error code
No error
The MELSOFT application transmission
port (UDP/IP) for the target E71 is locked
with the remote password.
Disable the remote password setting and
write the parameter to the CPU module.
The target E71 is a function version A
module.
Check the module name and function
version.
No error/Error exists
The Ethernet line is heavily loaded
(including a case where an error equivalent
to the error codes C030
H
and C031
H
is
occurring).
When the Ethernet line is not heavily
loaded, perform the test again.
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