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MELSEC-Q
6 DEDICATED INSTRUCTIONS
[Operation of the local station when the SEND instruction is being executed]
Sequence program
SEND instruction
OFF
ON
SEND instruction execution
is completed
END
processing
Send/receive
direction flag
OFF
ON
Completion device
Status display device
at completion
Abnormal
completion
Normal
completion
One scan
OFF
OFF
ON
ON
END
processing
END
processing
END
processing
(5) When the instruction is executed using JP.SEND/GP.SEND, the send processing
is executed only once when the send instruction flag switches from off to on (at
rise).
Errors
(1) When a dedicated instruction completes abnormally, the abnormal completion
signal (D) + 1 turns on and the error code is stored in the completion status (S1) +
1.
See the following manuals regarding the error code, check the errors and take
corrective actions.
<Error codes>
4FFF
H
or less
: QCPU (Q Mode) User's Manual (Hardware Design, Maintenance
and Inspection)
C000
H
or higher: Section 11.3.3 of the Q Corresponding Ethernet Interface
Module User's Manual (Basic)
Содержание QJ71E71-100 Series
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