Table of Contents
Advertisement
8
DATA COMMUNICATION USING THE PRE-DEFINED PROTOCOL
8 - 10
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.
Mode switching request
(Y2/Y9)
Mode switching
(X6/XD)
Predefined
protocol ready
(X1D)
CH1 or CH2 is the
predefined protocol mode
1 Based on either of the following condition; the protocol setting data written to
the flash ROM are normal, or the protocol setting data are not written to the
flash ROM.
ON
MELSEC-Q
OFF
CH1 and CH2 are other than predefined
protocol mode
8 - 10
Advertisement
Table of Contents
Troubleshooting
