Solutions For “Plc No Response”/“Plc Response Error”; When Compile Error Occurs - Omron NB-series Operation Manual

Solutions for "PLC no response" and "PLC response error"
Check whether the type and settings
of the PLC are correct or not.
Check whether the cable is
wired correctly or not.
Check whether the PLC area
and range are correct or not.
Check whether the PLC address
supports the write operation.
Check the arrangement of 9-pin
RS-232C female socket port.

When compile error occurs

In the Output Window, you can see the error number and error reason such as:
Address error for Parts or over-limit.
NB-series Programmable Terminals NB-Designer Operation Manual(V106)
PLC no response
Yes
NO
Yes
NO
Yes
NO
Check whether the communi-
cation setting is correct or not.
Yes
NO
Check whether PLC station
no. is correct or not.
Yes
NO
Yes
NO
Yes
Please contact with
OMRON service center.
PLC response error
Yes
NO
Check whether the type and settings
of the PLC are correct or not.
Yes
NO
Check whether the PLC area
and range are correct or not.
Yes
NO
Check whether the PLC address
supports the write operation.
5 Maintenance and Abnormality Handling
Check if the PLC Type used currently and the
one for the PLC on the project are correct.
Refer to [Appendix-4 Fabrication of the Connec-
tion Cable] in NB series Setup Manual.
Check whether the baud rate, parity bit, data bit,
stop bit are correct or not, the communication type
is RS232 or RS485?
Refer to [Appendix-4 Fabrication of the Connection
Cable] in NB series Setup Manual.
Refer to [Appendix-4 Fabrication of the Connec-
tion Cable] in NB series Setup Manual.
Check the content of the variable table.
Refer to the relevant PLC document.
Check if the PLC Type used currently and the
one for the PLC on the project are correct.
Check the content of the Variable Table.
Refer to the relevant PLC document.
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