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7-2SectionResponding to Displayed Error Messages
237
7-2-2 Errors Occurring during Operation and Their Remedies
The table below shows the errors that can occur during operation of the
NT31/NT31C and their remedies.
Message Cause Remedy
[Address Setting Error]
Addressing Error exists in the
Screen.
Correct address setting by the
Support Tool.
The host side allocated words
and bits set with the Support Tool
are incorrect.
Set correct words and bits after checking the
area used at the host side by referring to PC
Memory Map in Appendix D of the Reference
Manual or the operation manual for the PC
being used.
[Memory Table No. Error]
Memory table No. is out of limit.
Correct the table No. by the
Support Tool.
The memory table number set
with the Support Tool is outside
the range for the number of
memory tables set in the system
memory.
Either increase the number of memory tables in
the System settings under PT Configuration at
the Support Tool, or set the memory table
number again within the established range.
[Programming Console Error]
Setting of Programming Console
Function is inadequate. It can be
caused by:
S This PLC does not support Pro-
gramming Console Function.
The communication settings are
incorrect.
Set the communication method/communication
port as follows when using the Programming
Console function.
S With C-series PLCs:1:1 NT Link
S With CS1-series PLCs:
1:N NT Link (standard or high-speed)
gg
S Protocol mismatch. Set the PLC
to NT Link.
S “PROGRAMMING CONSOLE”
is connected to PLC.
The PC used does not support
the Programming Console
function.
Not all PCs support the Programming Console
function. Check the model of the PC you are
using. (6-12 Programming Console Function,
page 221)
is
connected
to
PLC
.
A Programming Console is
connected.
It is not possible to use a Programming Console
and the Programming Console function at the
same time. Disconnect the Programming
Console.
[Programming Consol Error]
Programming Console Function
does not RUN. It can be caused
The connecting cable is
defective.
Check the cable connection and perform a
conductivity test. If there is a fault, replace the
cable.
does
not
RUN
.
It
can
be
caused
by:
S Connecting cable is faulty.
S “PROGRAMMING CONSOLE”
Malfunction due to external noise Carry out grounding work in accordance with the
conditions by referring to 3-1-4 Grounding, page
34.
S PROGRAMMING
CONSOLE
is connected to PLC.
S Protocol mismatch between the
PT and PLC. Set the PLC to NT
Link.
A Programming Console is
connected.
It is not possible to use a Programming Console
and the Programming Console function at the
same time. Disconnect the Programming
Console.
Link
.
The communication conditions at
the PC have been changed in
accordance with the
NT31/NT31C Programming
Console function.
Set the communication conditions at the PC to
match the conditions set in the System Menu.