Mitsubishi Melsec-L Series User Manual page 139

9 - 29
(b) Timing for executing the UINI instruction
Communication protocol before change:
CH1 and CH2 are other than the predefined protocol mode.
Communication protocol after change:
CH1 or CH2 is the predefined protocol mode.
END
processing
Sequence program
UINI instruction
OFF
Completion device
OFF
Status indication
device at completion
OFF
Mode switching
signal (X6/XD)
OFF
Predefined protocol
ready (X1D)
CH1 and CH2 are other than
predefined protocol mode
C24
Communication protocol before change:
CH1 or CH2 is the predefined protocol mode.
Communication protocol after change:
CH1 or CH2 is the predefined protocol mode.
END
processing
Sequence program
UINI instruction
OFF
Completion device
Status indication OFF
device at completion
Mode switching
OFF
signal (X6/XD)
Predefined protocol
CH1 or CH2 is the
ready (X1D)
predefined protocol mode
C24
9 DATA COMMUNICATION USING THE PREDEFINED PROTOCOL
END
processing
UINI instruction execution
ON
Setting processing
Communication disabled
END
processing
UINI instruction execution
ON
ON
Setting processing
Communication disabled
END END
processing processing
ON
Error
completion
ON
Normal
completion
One scan
ON
CH1 or CH2 is the
predefined protocol mode
END END
processing processing
ON
Error
ON completion
Normal
completion
One scan
ON
CH1 or CH2 is the
predefined protocol mode
9 - 29