Omron NT631C manual Checking Communications at Serial Ports, Check Screen, For Host Link

System Maintenance Section 6-11

Select Tool Comm..

Checking

Communications at Serial

Ports

The check on communications with the

Support Tool starts.

If communications with the Support Tool is normal, data transmitted from the Support Tool is displayed as hexadecimal data when received by the NT631/ NT631C.

After confirming the result of the test, press Quit. The NT631/NT631C returns to the I/F CHECK MENU screen.

Check communications at the serial ports (A, B).

Check Screen

The check screen and check method differ according to the communications method set for the port to be checked.

For Host Link

Example: Serial port A while using the host link

Press Execute to start the check. The data for checking communications is sent to the host, and is displayed as the Sending Data in hexadecimal.

•If communications with the host are normal, the reply from the host is dis- played at Received Data in hexadecimal.

•If a communications error occurs while checking the communications con- ditions with the host, a communications error screen is displayed. Since this indicates that there is a communications fault, check the communica- tions cables and settings.

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