User`s manual

App - 3 App - 3
MELSEC
APPENDIX
(b) The following example gives a flowchart for error occurrence at
batch write.
START
END
YES
NO
YES
NO
Wait processing
is executed.
Has error occurred?
Normal processing is executed.
Error code is checked.*
Does the error
require retry processing?
Error handling is executed.*
Retry processing
Write processing
(mdSend instruction), etc.
1
2
1: Refer to the following manual for the details of and corrective action for
the error code.
When a Redundant CPU error occurs
• "Error code returned to request source during communication with
CPU module" in the QCPU User's Manual (Hardware Design,
Maintenance and Inspection).
When a CC-Link board error or module error occurs
• Type A80BD-J61BT11 CC-Link System Master/Local Interface
Board User’s Manual (For SW4DNF-CCLINK-B)
• CC-Link System Master/Local Module User’s Manual
2: Perform retry processing as necessary according to the system
specifications.