Omron NT631C manual Select Maintenance Mode Select I/O Check Select I/F Check, Check Method

System Maintenance Section 6-11

•If nothing is displayed at Received Data when data is read with the bar code reader, there is a communications fault: check the communications cables and settings.

Check Method

Check communications with the serial ports by following the menu operation from the System Menu shown below.

Ver 4.12

Select Maintenance Mode.

Select I/O Check.

Select I/F Check.

Select Comm. Port A or Comm. Port B.

The check screen is displayed (Check screen, page 210).

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

212