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MELSEC-Q
7 PROGRAMMING
7.4 Normal Service Mode (MODE 0) Using Dedicated Instruction
The following shows the program example used when the I/O data is read/written
using the dedicated instruction for separation prevention in the Normal service mode
(MODE 0).
Initial setting
Slave error
information
cancel
area setting
Trouble no
information time
setting
Communication
trouble area type
(fixed type)
Initial output
data write
Communication
start
Normal
communication
Read in which
separation is
prevented
Input area read
Processing in which input data is used
Not required if the initial setting is not changed.
Effective setting of dedicated instructions