Initial Settings and Allocations of
Device Variable for CJ-series Unit
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
This section describes the components of the Serial Communications Boards and the
Serial Communications Units, the settings required for operation, and the memory allo-
cated in the I/O memory of the CPU Unit to control and monitor communications.
2-1 Component Names and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-2-1
Data Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2-2-2
2-3-1
2-3-2
2-3-3
2-3-4
2
2-1