9-15
FROM(P),DFRO(P)
9
7
7
7
7
7
7
7
9.2 Reading from the CPU Shared Memory of another CPU
9.2.1 Reading from Other CPU Shared Memory (FROM(P), DFRO(P))
Program Example
(1) The following program stores 10 points of data from address C0H of the CPU shared
memory of CPU No. 2 into the area starting from D0 when X0 is turned ON.
[Ladder Mode] [List Mode]
(2) The following program stores 20 points of data from address 10000 of the CPU shared
memory of CPU No. 4 into the area starting from D0 when X0 is turned ON.
[Ladder Mode] [List Mode]
Remark
The n1 is specified by the first 3 digits of the hexadecimal 4digits which represent
the head I/O number of the slot mounted to the CPU module.
The QCPU provides automatic interlocks for the FROM and TO instructions.
CPU Slot Slot 0 Slot 1 Slot 2
Head I/O number 3E00 3E10 3E20 3E30
n1 3E0 3E1 3E2 3E3
Instruction
Device
Step
Step
Instruction
Device
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