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SECTION 9
Message Communications
This section describes message communications using FINS commands sent from the ladder program in the CPU Unit of
the PLC.
9-1 Sending Explicit Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  234
9-1-1 Sending Explicit Messages Using CMND(490). . . . . . . . . . . . . . . .  243
9-2 Receiving Explicit Messages  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  248
9-2-1 List of PLC Object Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  249