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MELSEC-Q
8 DATA COMMUNICATION USING THE PRE-DEFINED PROTOCOL
Communication protocol before change:
CH1 or CH2 is the predefined protocol mode.
Communication protocol after change:
CH1 and CH2 are other than the predefined protocol mode.
OFF
OFF
ON
ON
OFF
ON
ON
OFF
Sequence
program
UINI
instruction
Completion
device
Completion
status
indication
device
QJ71C24N(-R2/R4)
Mode switching
signal (X6/XD)
Predefined
protocol
ready (X1D)
When failed
When completed
One scan
Execution of UINI
END
processing
END
processing
END
processing
END
processing
ON
CH1 and CH2 are not in predefined protocol mode.
Communication not possible
Setting processing
CH1 or CH2 is in
predefined protocol mode.
Summary of Contents for MELSEC QJ71C24
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Page 103: ...3 42 3 42 MELSEC Q 3 SPECIFICATIONS MEMO ...
Page 177: ...6 33 6 33 MELSEC Q 6 DATA COMMUNICATION USING THE NON PROCEDURE PROTOCOL MEMO ...
Page 397: ...App 24 App 24 MELSEC Q APPENDIXES Connection example 3 Connection example 4 ...
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