Omron NT631 For NT Link 11, 1N Standard, or 1N High-speed, For Memory Link, For a Bar Code Reader

System Maintenance Section 6-11

For NT Link (1:1, 1:N Standard, or 1:N High-speed)

Example: Serial port B while using the NT Link (1:N)

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

•If communications with the host are normal, the reply from the host is dis- played at Received Data as ∗∗ symbols.

•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.

For Memory Link

Example: Serial port A while using the memory link

The check is started as soon as the check screen is displayed. Send the com- mand from the host.

•If communications with the host are normal, the data received from the host is displayed in hexadecimal text code at Received Data.

•If nothing is displayed at Received Data when the command is sent from the host, there is a communications fault: check the communications cables and settings.

For a Bar Code Reader

The check starts when the check screen is displayed. Read data with the bar code reader in this status.

•If communications with the bar code reader are normal, the read charac- ter strings are displayed in hexadecimal text code at Received Data.

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