Siemens 270 series Instruções de Operação Página 244

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Appendix
A.2 System alarms
TP 270, OP 270, MP 270B (WinCC flexible)
A-18 Operating Instructions, Edition 03/2004, 6AV6691-1DD01-0AB0
Number Effect/cause Remedy
220007 The connection to the specified PLC at the
specified interface is disrupted.
Check if
The cable is plugged in
The PLC is OK
The correct interface is used
The configuration is OK (interface parameters,
protocol settings, controller address).
Reboot the system if the system alarm is displayed
continuously.
220008 The communication driver cannot access the
specified interface or open it. It is possible that
another program is using this interface or an
interface is being used which is not available on the
target device.
There is no communication to the PLC.
Close all the programs which access the interface and
restart the computer.
Use another interface available in the system.
230000 The value entered could not be accepted. The
entered value is rejected and the previous value is
restored.
Either the value range has been exceeded or
impermissible characters were entered.
Enter a permissible value.
230002 Since the user currently logged on does not have
the proper authorization, the input is rejected and
the previous value is restored.
Log on as a user with sufficient rights.
230003 Changeover to the specified screen is not executed
because the screen is not available/configured. The
current screen remains selected.
Configure the screen and check the selection function.
230005 The value range of the tag has been exceeded in
the I/O field.
The original value of the tag is retained.
Take the value range of the tag into consideration when
entering value.
230100 During navigation in the web browser, a message
which may be of interest to the user is issued.
The web browser continues to run, but may not
(fully) display the new page.
Navigate to another page.
230200 The connection to the HTTP channel was
interrupted due to an error. This error is explained
by another system alarm.
Data is no longer exchanged.
Check the network connection.
Check the configuration of the server.
230201 The connection to HTTP channel has been
!
e-
established.
Data is exchanged.
-
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