Omron NT31 NT31C manual Errors Occurring during Operation and Their Remedies, Programming Console

Responding to Displayed Error MessagesSection 7-2

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

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