10 - 7 10 - 7
MELSEC-Q
10 DEDICATED INSTRUCTIONS
[Operation for MBRW instruction execution]
OFF
ON
OFF
OFF
ON
ON
Sequence program
MBRW instruction
Completion device
(D2)
Completion status
indication device
(D2)+1
END
processing
END
processing
END
processing
1 scan
END
processing
Completion of MBRW
instruction execution
Error
completion
Normal
completion
Error
(1) When the dedicated instruction is completed with an error, the completion status
indication device (D2)+1 turns ON and the error code is stored into the complete
condition (S1)+1.
When the processing in the slave is completed with an error, the exception code
is stored into (S1)+2.
According to the error code and exception code, check the error and take
corrective action, referring to the following manual.
<Error code>
03E8
H
to 4FFF
H
: QCPU User's Manual (Hardware Design, Maintenance and
Inspection)
7300
H
or more : Section 11.3.3 in this manual
<Exception code>
Section 11.3.2 in this manual
(2) If Basic parameter setting request (Y1) turns ON during execution of the MBRW
instruction, the dedicated instruction is completed with an error.