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5. NON
PROCEDURE
PROTOCOL
COMMUNICATION
MELSEC QnA
>
If you have any situations as follows, please read the explanations
Data was sent from the external device and the
End of Transmission screen was displayed, but
the PC CPU did not receive the data.
'*
Transmission to PC in non procedure mode
*'
Send data ?
i : :::::::
End of transmission.
Reset transmission (Y/N) ?
Data cannot be sent from the external device.
**
Transmission to PC in non procedure mode
**
Was the sequence program (Section 5.6.1) writter
to the PC CPU?
Are the QC24 switch settings (Section 5.2) correct?
Check the QC24 LEDs (Section 5.3), then check thc
settings.
Are the external device settings (Section 3.4) correct?
Check the QC24 LEDs (Section 5.3), then check the
settings.
After resetting, reset the PC CPU and communicate again.
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