APPENDICES
Appendix 1 Precautions for Accessing Redundant CPU System
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(b) The following example gives a flowchart for error occurrence at batch write.
*1: For the details and corrective action of the error code, refer to "Error code returned to request
source during communication with CPU module" in the "QCPU User's Manual (Hardware Design,
Maintenance and Inspection)".
*2: Execute retry processing as required depending on the system specifications.
YES
NO
NO
YES
Write processing
(mdSend instruction), etc.
Did an error occur?
Check the error code.*
1
Does the error require retry
processing?
Retry processing
Execute normal processing.
Start
Process the error.*
2
Execute wait processing.
End
