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

 

 

NT631/NT631C and their remedies.

 

 

 

 

 

Message

Cause

Remedy

 

 

 

[Address Setting Error]

The host side allocated words and

Set correct words and bits after checking the area

Addressing Error exists in the

bits set with the Support Tool are

used at the host side by referring to PLC Memory

incorrect.

Map in Appendix D of the Reference Manual or

Screen.

 

 

 

the Operating Manual for the PLC being used.

Correct address setting by the

 

 

 

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 mem-

the Support Tool, or set the memory table number

Correct the table No. by the Sup-

ory tables set in the system mem-

again within the established range.

port Tool.

 

 

ory.

 

 

 

 

 

 

 

[Programming Console Error]

The communications settings are

Set the communications method/communica-

Setting of Programming Console

incorrect.

tions port as follows when using the Programming

 

Console function.

Function is inadequate. It can be

 

 

 

caused by:

 

 

• With C-series PLCs: 1:1 NT Link

• This PLC does not support Pro-

 

• With CS/CJ-series PLCs:

gramming Console Function.

 

1:N NT Link (standard or high-speed)

• Protocol mismatch. Set the PLC

The PLC used does not support

Not all PLCs support the Programming Console

to NT Link.

the Programming Console func-

function. Check the model of the PLC you are

• “PROGRAMMING CONSOLE” is

tion.

using. (6-12 Programming Console Function)

connected to PLC.

A Programming Console is con-

It is not possible to use a Programming Console

 

 

nected.

and the Programming Console function at the

 

 

 

same time. Disconnect the Programming Con-

 

 

 

sole.

 

 

 

[Programming Console Error]

The connecting cable is defective.

Check the cable connection and perform a con-

Programming Console Function

 

ductivity test. If there is a fault, replace the cable.

 

 

does not RUN. It can be caused

Malfunction due to external noise

Carry out grounding work in accordance with the

by:

 

 

conditions by referring to 3-1-4 Grounding,

• Connecting cable is faulty.

 

page 34.

• “PROGRAMMING CONSOLE” is

A Programming Console is con-

It is not possible to use a Programming Console

connected to PLC.

nected.

and the Programming Console function at the

• Protocol mismatch between the

 

same time. Disconnect the Programming Con-

 

sole.

PT and PLC. Set the PLC to NT

 

 

 

Link.

 

The communications conditions at

Set the communications conditions at the PLC to

 

 

the PLC have been changed in

match the conditions set in the System Menu.

 

 

accordance with the NT631/

 

 

 

NT631C Programming Console

 

 

 

function.

 

231

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Omron manual Errors Occurring during Operation and Their Remedies, NT631/NT631C and their remedies