Mitsubishi QJ71C24N - Page 214

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MELSEC-Q
8 DATA COMMUNICATION USING THE PRE-DEFINED PROTOCOL
(2) Timing for executing the UINI instruction or mode switching request
signal (Y2/Y9)
1
(a) Timing for executing mode switching request signal (Y2/Y9)
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.
OFF
ON
(Y2/Y9)
(X6/XD)
(X1D)
Mode switching request
Mode switching
Predefined
protocol ready
CH1 and CH2 are other
than predefined protocol
mode
CH1 or CH2 is the
predefined protocol
mode
Communication protocol before change:
CH1 or CH2 is the predefined protocol mode.
Communication protocol after change:
CH1 or CH2 is the predefined protocol mode.
(Y2/Y9)
(X6/XD)
(X1D)
ON ON
CH1 or CH2 is the
predefined protocol mode
CH1 or CH2 is the
predefined protocol mode
Mode switching request
Mode switching
Predefined
protocol ready